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Relevant bibliographies by topics / Buildings, mechanical equipment

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Dissertations / Theses
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Academic literature on the topic 'Buildings, mechanical equipment'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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Journal articles on the topic "Buildings, mechanical equipment"

1

Nash, Anthony. "Noise from rooftop mechanical equipment in residential buildings." Journal of the Acoustical Society of America 125, no. 4 (April 2009): 2494. http://dx.doi.org/10.1121/1.4783331.

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Wu, Liang, Changzhong Wu, and Jiaxin Tian. "Structural design of architectural 3D printing equipment." Journal of Physics: Conference Series 2541, no. 1 (July 1, 2023): 012001. http://dx.doi.org/10.1088/1742-6596/2541/1/012001.

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Abstract Referring to the development status of building 3D printing equipment at home and abroad, this paper compares various schemes, and designs and analyzes the performance parameters of the mechanical system and various mechanisms of building 3D printing equipment. The detailed design scheme of each component is present and provides a reference for the development of 3D printing equipment for large buildings in the future.

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Wowk, Roman. "Optimizing building designs for mechanical equipment tones." Journal of the Acoustical Society of America 153, no. 3_supplement (March 1, 2023): A150. http://dx.doi.org/10.1121/10.0018468.

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Poor noise conditions in buildings often involve tones from mechanical equipment. However, noise criteria generally neglect tones due to (1) lack of agreement on what constitutes a tone; (2) lack of acoustical data from equipment and noise treatment manufacturers in ⅓-octave or better resolution; and (3) limited design tools and resources to act on detailed information even if it were available. Since building designs also cannot be tested and optimized prior to production like cars, appliances and other mass-produced products, problems can remain hidden until final occupancy. Therefore, design strategies usually involve a variety of conservative and/or safe “best practice” approaches that avoid certain space adjacencies or equipment types altogether, often at significant cost. This is unsurprising when considering the complexity and risks associated with many tonal noise control problems, often including sound-structure interaction. However, a path for innovation exists through wider use of frequency-response-function (FRF) measurements (or measurements with otherwise known inputs) and the ability to analyze, share and incorporate the findings into source-path-receiver designs. This presentation will propose steps to gather, standardize and distribute such information and use case studies to illustrate how this is an enormous opportunity for optimizing building designs for cost and performance.

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Feng, Xian Jie. "Passive Wireless Communication Technology Applied in Green Building." Advanced Materials Research 1061-1062 (December 2014): 1190–93. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.1190.

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The passive wireless communication as a kind of advanced new technology, has been widely applied in the green energy-saving buildings. It is through the control of building system terminal equipments, data exchange mode and control layer, and update the mechanical and electrical equipment control logic, to achieve the purpose of implementation of green energy-saving renovation project. The use of this technology to radically reduce the construction cost, and not just make the energy consumption of building system control, and a substantial reduction in cable laying, metal used, battery replacement, pollutants brought about by the construction cost. Advanced passive wireless sensor, using energy collection technology, and make full use of indoor light energy in daily life, human activities of mechanical energy, etc., to achieve the purpose of automatic control of the green building system.

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Wallace, Marc, Matthew Riegert, and Patricia Rosa. "The boom in life science development and its impacts on community noise." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 264, no. 1 (June 24, 2022): 735–44. http://dx.doi.org/10.3397/nc-2022-804.

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There is a boom in life science research and laboratory development in many areas of the country. And the speed of that development has accelerated since the COVID-19 pandemic. A life science facility may look like a traditional office building, but the sound emitted from the rooftop mechanical equipment associated with spaces occupied by pharmaceutical and biotechnology companies is distinct. A sound study was prepared for permitting the reconstruction of a major mixed-use redevelopment in an urbanized area of greater Boston. The redevelopment included retail, office, laboratory, residential and hotel uses amongst multiple buildings that would occur over several years. The complexity of the project required the collaboration of the developer, architectural and mechanical design teams, and acoustical consultants, to ensure that the cumulative sound impacts from all the buildings' future rooftop mechanical equipment did not exceed the local noise ordinance once the redevelopment was completed. The sound study also allowed the buildings to later be customized for future life science tenants. This paper will present the framework developed for each design team to allow the project to demonstrate compliance by establishing a noise budget.

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Retamales, Rodrigo, Gilberto Mosqueda, Andre Filiatrault, and Andrei Reinhorn. "Testing Protocol for Experimental Seismic Qualification of Distributed Nonstructural Systems." Earthquake Spectra 27, no. 3 (August 2011): 835–56. http://dx.doi.org/10.1193/1.3609868.

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Building codes and standards now require seismic qualification of mechanical and electrical equipment and their mounting systems in important buildings to ensure that they remain functional during and after major seismic events. To better understand the seismic behavior of nonstructural building contents and equipment, experimental procedures have been proposed for either displacement or acceleration sensitive nonstructural components, through racking or shake table protocols, respectively. However, certain types of nonstructural systems are sensitive to both accelerations and interstory drifts. An innovative testing protocol is proposed that can subject nonstructural systems to the combined accelerations and interstory drifts expected within multistory buildings during seismic shaking. Moreover, the proposed protocol, when used with equipment such as the University at Buffalo Nonstructural Component Simulator (UB-NCS), allows for the assessment of the seismic performance of distributed nonstructural systems with multiple attachment points, and the evaluation of seismic interactions between components. The versatility and capabilities of the testing protocol are demonstrated through testing of a full-scale hospital emergency room containing typical nonstructural components and life support medical equipment.

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Abramkina, D., and A. Ivanova. "STUDY OF NOISE LEVELS FROM VENTILATION SYSTEMS IN CORRIDORS OF RESIDENTIAL BUILDINGS." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 8, no. 1 (January 16, 2023): 32–41. http://dx.doi.org/10.34031/2071-7318-2022-8-1-32-41.

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Stained glass windows are applied in residential buildings more often nowadays, and therefore the natural ventilation is impossible to apply. The mechanical ventilation is good for apply in the situation. A lot of questions about the rationing of the noise in internal rooms in residential buildings are arisen. Residents complain the ventilation equipment noise from inter-corridor and the living area. Therefore, the question about study of noise generation in ventilation system and mechanical equipment^ that is applied in design, issue requires detailed research. For the study the question is necessary to do some research: analysis of foreign articles of noise regulation, measurement of noise in the inter-corridor and residential spaces, doing some calculations based on researching measurements, identification of normative noise characteristics for measurement data and carrying out measurements on noise measurement in the ventilation. This article presents the results of natural studies on noise levels from the operation of engineering equipment in the inter-apartment space of a residential building in the daytime (from 08:00 to 22:00 hours) and at night (from 00:00 to 06:00 hours) of the day. A theoretical study was carried out to compare the standard levels of sound pressure in residential buildings in different countries.

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Ingeli, Rastislav, and Peter Buday. "Analysis of the Impact of the Fireplace Heating on the Energy Performance of the Family House." Periodica Polytechnica Mechanical Engineering 64, no. 2 (March 13, 2020): 145–49. http://dx.doi.org/10.3311/ppme.14979.

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Reduction of energy use in buildings is an important measure to achieve climate changes of mitigation. It is essential to minimize heat losses when designing energy efficient buildings. For energy efficient building in a cold climate, a large part of the space heating demand is caused by transmission losses through the building envelope. In compliance with the today's trend of designing sustainable and energy-saving architecture, it is necessary firstly to solve the factors influencing the energy balance. This year the subsidy for houses has been valued at € 8,000. The condition is that the building is classified in the energy class A0 according to the Energy Performance Act. Energy class A0 characterizes nearly zero energy buildings. The main concern is for the public to become interested in such buildings. The subsidy is designed to reward and promote those buildings that their heat and technical characteristics and modern technical equipment that meet energy class. In addition to a good plan to raise the profile of such buildings, there has been a lot of speculation to help make buildings in energy class A0. They are mainly owners of family houses where there is no gasification and are forced to have electricity as a source of heat and hot water. Electricity has a high primary energy factor, which means that buildings do not have to be approved.

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Porter, Keith, Gayle Johnson, Robert Sheppard, and Robert Bachman. "Fragility of Mechanical, Electrical, and Plumbing Equipment." Earthquake Spectra 26, no. 2 (May 2010): 451–72. http://dx.doi.org/10.1193/1.3363847.

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A study for the Multidisciplinary Center for Earthquake Engineering Research (MCEER) provides fragility functions for 52 varieties of mechanical, electrical, and plumbing (MEP) equipment commonly found in commercial and industrial buildings. For the majority of equipment categories, the MCEER study provides multiple fragility functions, reflecting important effects of bracing, anchorage, interaction, etc. The fragility functions express the probability that the component would be rendered inoperative as a function of floor acceleration. That work did not include the evidence underlying the fragility functions. As part of the ATC-58 effort to bring second-generation performance-based earthquake engineering to professional practice, we have compiled the original MCEER specimen-level performance data into a publicly accessible database and validate many of the original fragility functions. In some cases, new fragility functions derived by ATC-58 methods show somewhat closer agreement with the raw data. Average-condition fragility functions are developed here; we will address in subsequent work the effect of potentially important—arguably crucial—performance-modifying factors such as poor anchorage and interaction.

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Berlinov, M. V. "Vibration Safety During the Operation of Industrial Building Structures under Conditions of Dynamic Effects from Equipment." Occupational Safety in Industry, no. 6 (June 2023): 81–89. http://dx.doi.org/10.24000/0409-2961-2023-6-81-89.

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A general approach to the vibration safety of capital construction objects in Russia under the conditions of dynamic effects from industrial equipment is given based on the analysis of the requirements for the structures of buildings and facilities at the design and operation stage. The directions that are related to buildings and structures are described, including the mechanical safety requirements for buildings and structures. The analysis was carried out in order to determine the requirements for the structures of buildings and facilities that require processing in order to harmonize Russian regulatory technical documents in construction and industrial safety. The relevance of the chosen topic is determined by its compliance with the main goals and objectives of the Russian state policy in the field of industrial safety, aimed at consistently reducing the risks of accidents occurrence at the industrial facilities, and minimizing their negative consequences. The article states that the characteristics of the elements of building structures, which were considered during the design in dynamic calculations of the strength and stability of a building or structure, may change during operation under the influence of climatic factors or aggressive influences of external and internal environments, including the influence of technological processes that can cause fatigue phenomena in the material of building structures. The method of calculation for dynamic loads of structures of buildings and facilities, considering the changes in power and environmental influences during operation, is briefly described. The main proposals for changing the requirements for the structures of buildings under vibration effects were developed and compiled in the form of a list. The results of the implementation of the submitted proposals will contribute to improving the efficiency of the processes of domestic industrial construction of buildings and structures, updating the regulatory and technical base, ensuring the safety of production facilities, maintaining compliance of buildings and structures with their functional purpose, reducing the risk of harm to health, property of individuals or legal entities, state or municipal property and the environment.

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Dissertations / Theses on the topic "Buildings, mechanical equipment"

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Wu, Kin-kwong, and 吳健光. "A study of the cost management process and estimation techniques for estimating building services installations in the buildingconstruction industry." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31251523.

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Lee, Kin-wang, and 李健宏. "A comparative study of the life cycle cost of mechanical building services installations based on different maintenance strategies." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B4500898X.

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Kubíček, Lukáš. "Příprava a realizace výstavby mateřské školy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392313.

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The aim of my thesis is the Construction technological project of nursery school building. The work involves technical report building equipment, technological instruction for selected activities, inspection and test plans, design of mechanical assemblies, transport links, schedule of health and safety, as well as environmental protection, itemized project budget, timetable and building maintenance instructions

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Helán, Tomáš. "Rezidence Austerlitz, vybrané části stavebně technologického projektu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240482.

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Purpose of this master’s thesis is to compile structurally – technological aspects of the project of new housing building in Brno. Thesis concentrates on technological phase of upper rough construction, which involves prescriptions for masonry of walls and constructions from reinforced concrete. Thesis is also includes suggestions of constellation of machines, time plan, supplying of construction site, rules of workplace safety, quality requirements, solutions for organization of construction and maintenance of the building. Conclusion of this master’s thesis is comparison of different systematical variations of constructing peripheral wall based on many structurally – technological factors.

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Plaček, Michal. "Stavebně technologický projekt polyfunkčního souboru EASTGATE." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226500.

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The aim of this master's thesis is the architectural and technological project of office building the polyfunctional file EASTGATE. It deals with a solution of the developing process in term of time, financial and material requirements based on client and designer requirements. Architectural and technological project of the master's thesis contains technological regulations, building equipment, schedule, itemized budget, design mechanical assembly, inspection and test plan, health and safety, etc.

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Alexa, Martin. "Stavebně technologický projekt mateřské školy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371896.

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This thesis handles the construction and technological project of nursery school in the Brno. It deals with technical reports, technological methods of construction. The report contains technical reporst of building equipment, schedule, design of mechanical assembly, inspection and health and safety at work.

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Mráček, Ondřej. "Polyfunkční dům Olomouc Hněvotínská - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226478.

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In my work, I dealt with the development of building technology project for multi-functional building in Olomouc Tabulový Vrch. The goal is to select and develop appropriate design of the building in terms of financial, time and technical requirements based on the technical documentation provided by the designer. Building technology project includes a study of implementation of main technological stages, object, time and financial plan, drawings site equipment, site equipment technical report, technical regulations, inspection and test plan, financial budget for the construction of the technological steps, the schedule, the draft report and not machine prescription number for safety in the implementation of reinforced concrete monolithic skeleton including security risks.

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Šorm, Petr. "Hrubá stavba objektu AV v Praze Dejvicích - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227006.

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Building Technology project deals with the processing of the necessary documents and documentation for implementation shell of the building of the Academy of Sciences in Prague Dejvice. At the beginning of the technical report on the building technology project, which provides basic information about the construction. Content is the solution of the building construction site by the financial, structural and technological and time. Construction technology solution is based on monolithic work.

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Osina, Lukáš. "Stavebně technologický projekt montované haly." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227664.

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The subject of this diploma thesis is a construction technology project prefabricated tennis hall with facilities in Prostejov. The content of this work are technical regulations, technical reports, project site equipment, design of mechanical assemblies, schedule, budget, monitoring and test plan, work safety and environmental protection.

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Němec, Lukáš. "Laboratorní centrum UTB Zlín - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227703.

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This diplome thesis is focused on the technological project of the gross building of the Laboratory Center UTB in Zlín. Among other subjects, the work consists of technical report, technical rule, inspection and test plans, mechanical assembly desing, financial comparison of various casting methods, health and safety plan, environmental protection issues, budget, timetable and building site situation.

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Books on the topic "Buildings, mechanical equipment"

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Melville, Mossman, ed. Mechanical & electrical estimating. Kingston, Mass. (100 Construction Plaza, Kingston 02364): R.S. Means Co., 1986.

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Officials, International Conference of Building. Illustrated mechanical manual. Whittier, Calif: International Conference of Building Officials, 1985.

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1938-, Reynolds John, and McGuinness William J, eds. Mechanical and electrical equipment for buildings. 8th ed. New York: J. Wiley & Sons, 1992.

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T, Grondzik Walter, ed. Mechanical and electrical equipment for buildings. Hoboken, N.J: Wiley, 2010.

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Benjamin, Stein, ed. Mechanical and electrical equipment for buildings. Hoboken, NJ: Wiley, 2006.

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Vance, Mary A. Mechanical equipment for buildings: A bibliography. Monticello, Ill: Vance Bibliographies, 1985.

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Stein, Benjamin. Mechanical and electrical equipment for buildings. 7th ed. New York: Wiley, 1986.

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Stein, Benjamin. Mechanical and electrical equipment for buildings. 9th ed. New York: Wiley, 2000.

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T, Grondzik Walter, and Stein Benjamin, eds. Mechanical and electrical equipment for buildings. New York: Wiley, 2005.

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Stein, Benjamin. Mechanical and electrical equipment for buildings. 8th ed. New York: J. Wiley & Sons, 1992.

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Book chapters on the topic "Buildings, mechanical equipment"

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Chen, Hong, Wei Luo, Guobao Ning, Limei Geng, and Wei Lu. "Application of mechanical hoisting equipment in prefabricated buildings." In Advances in Traffic Transportation and Civil Architecture, 542–50. London: CRC Press, 2023. http://dx.doi.org/10.1201/9781003402220-60.

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Antimonov, A. M., and N. B. Pushkareva. "The Destruction Theory for the Water Supply Systems Locking Equipment Located on the Upper Floors of the High-Rise Buildings." In Lecture Notes in Mechanical Engineering, 695–702. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-54814-8_80.

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"Conventional Mechanical Systems for Efficient Heating, Ventilating, and Air Conditioning Systems." In Handbook of Integrated and Sustainable Buildings Equipment and Systems, Volume I: Energy Systems, 93–138. ASME Press, 2017. http://dx.doi.org/10.1115/1.861271_ch3.

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F. Ali Fadil, Ali, and Yoonis A.M. Esham. "Absorption Refrigeration Cycle Technology." In Cooling Technologies - Technologies and Systems to Guarantee Thermal Comfort in Efficient Buildings [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1001585.

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An absorption cycle is a heat-activated thermal cycle. It exchanges only thermal energy with its surroundings; no appreciable mechanical energy is exchanged. Furthermore, no appreciable conversion of heat to work or work to heat occurs in the cycle. Absorption cycles find use in applications where one or more of the heat exchanges with the surroundings is the useful product. This includes refrigeration, air conditioning, and heat pumping. The two great advantages of this type of cycle in comparison to other cycles with similar product are: • No large rotating mechanical equipment is required • Any source of heat can be used, including low-temperature sources.

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"Mechanical Equipment." In Building Acoustics, 69–82. CRC Press, 2015. http://dx.doi.org/10.1201/b18219-5.

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"Mechanical Equipment." In Building Acoustics, 86–99. CRC Press, 2015. http://dx.doi.org/10.1201/b18219-8.

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Cook, M., K. Lomas, A. Howarth, and M. Crane. "Modelling Natural Ventilation Using Computational Fluid Dynamics." In Numerical Methods for Fluid Dynamics V, 351–58. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198514800.003.0029.

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Abstract Buildings must be provided with adequate ventilation. Environmental concerns, along with demands for energy efficiency are prompting designers to investigate natural ventilation as an alternative to mechanical ventilation or full air conditioning. One form of natural ventilation is displacement ventilation in which fresh air enters the room at low level, is drawn upwards in thermal plumes produced by equipment and occupants, and is then exhausted through high-level openings. This flow causes stratification where warm, stale air rises above fresh, ambient air. It is the layer of warm, buoyant air that drives the flow through the openings.

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Brennan, Meghan, and Chris Giordano. "Safety Features." In Basic Anesthesia Review, edited by Alaa Abd-Elsayed, 93–95. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/med/9780197584569.003.0036.

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Abstract Appropriate knowledge of operating room (OR) equipment, safety features, and alarms is fundamental to the prevention of patient injury. Mechanical ventilators frequently contain built-in pressure sensors and alarms designed to alert to ventilator disconnections, circuit leaks, fresh gas flow failures, inappropriate ventilator settings, and scavenging system failures. Preoperatively, an anesthesia machine check is recommended to verify that the high- and low-pressure systems are functioning appropriately, the circuit contains no leaks, the oxygen sensors are calibrated, the unidirectional inspiratory and expiratory valves are intact, and the scavenging system and carbon dioxide absorbent are working. Intraoperatively, a systematic approach to evaluating causes of the low-pressure alarm is key to rapid detection and prevention of patient injuries. ORs may contain two different types of electrical systems: a grounded system, similar to most homes and buildings, that contains a ground fault circuit interrupter; or an isolated electrical system containing an isolation transformer and line isolation monitor. Knowledge of OR electrical systems is important when connecting equipment to power sources because a piece of equipment may lose power if there is current leakage or a patient or provider could be at risk for an electric shock if alarms are triggered.

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Serban, V., M. Androne, A. G. Ciocan, and A. M. Zamfir. "Mechanical devices to control, limit and attenuate shocks, vibrations and seismic movements in buildings, equipment and piping networks." In Seismic Control Systems, 47–63. WIT Press, 2012. http://dx.doi.org/10.2495/978-1-84564-672-1/05.

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Dumanska, Kathrin. "STABILIZATION OF THE ENTERPRISES ECONOMY OF UKRAINE AS THE PRIMARY OBJECTIVE OF MACHINE-BUILDING STRATEGIZE DEVELOPMENT." In Traditional and innovative approaches in economics: theory, methodology, practice. Publishing House “Baltija Publishing”, 2024. http://dx.doi.org/10.30525/978-9934-26-407-8-6.

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The sectoral analysis of the of Ukrainian industry in general and the machine-building sector in particular, conducted by the author for the period from 2010 to the present, revealed threatening trends in the number of machine-building companies with domestic capital in favour of small and medium-sized enterprises with foreign capital that proves Ukrainian export potential reduction in the foreign market of machine-building products and the necessity to support export-oriented companies at the state level.Segmental assessment of the machine-building complex of Ukraine on the basis of the index approach, conducted by the author for the period from 2011 to the present, revealed the presence of strategic potential reserves for such machine building segments as production of vehicles, trailers and other vehicles and machinery and equipment production and other groups in 2019 and the production of electrical equipment, computers, electronic and optical products in 2020. The results of the segmental assessment of mechanical engineering in Ukraine indicate the need of programs development to strategize the development of potentially successful segments and investment support for unprofitable segments in order to prevent their decline.

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Conference papers on the topic "Buildings, mechanical equipment"

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Taneja, Om. "Analytical, Performance and Prescriptive Measures for Life Cycle Assessment of Sustainability or Energy Efficiency Projects." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40420.

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Sustainability goals for buildings are highly acclaimed as public and private sector’s contributions to environmental responsibility, resource efficiency, occupant comfort and well-being. All too often a building’s performance does not meet design expectations, particularly a new building’s energy savings projection that overstates achievable performance. Across the high-performing building industry, these unrealistic energy performance goals have come from, among other things, inadequate modeling and benchmarking practices, unreliable monitoring and equipment controls systems, and significant changes in space usage and tenant improvements. There is still lack of commitment to include operations staff in goal setting and provide adequate budgets for periodic benchmarking, commissioning, and tuning of buildings’ mechanical, electrical and plumbing systems. This paper provides the analytical, performance & prescriptive measures for life cycle assessment of energy efficiency projects which can help in making adaptive changes to buildings systems to suit changing uses, or other internal and external factors that directly or indirectly affect performance.

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Czachorski, Marek, John Kelly, and Kevin Olsen. "Heat Recovery From Commercial On-Site Power Generation System: Desiccant Dehumidification vs. Absorption Cooling." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42576.

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As commercial building on-site power generation technologies mature to the point of becoming “off-the-shelf” products, the importance of effective heat recovery is demonstrated time and time again in applications where three to six year paybacks typically are necessary to convince building owners to purchase and install these new technologies. This paper explores the effectiveness and economic benefit of different methods of utilizing recoverable heat from on-site power generation equipment in commercial buildings (Cooling, Heating and Power systems – CHP). An optimal configuration of heat recovery options is explored based on analysis of heat recovery from microturbine(s) exhaust to support commercial building heating and cooling/dehumidification needs. Benefits of recovering heat for space heating/domestic hot water production and to support desiccant dehumidification vs. absorption cooling are studied in five different building types (large supermarket, large retail store, medium size office building, full service restaurant and quick service restaurant). Buildings are evaluated at four different geographical locations, allowing additional study of the climatic conditions on the optimum heat recovery system configuration for specific building types. A sophisticated model, incorporating performance algorithms of state-of-the-art power generation, dehumidification and absorption cooling equipment, is used for calculating annual energy/cost savings for CHP systems and optimization of basic parameters, such as generator size/number and heat recovery equipment selection.

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Pedarla, Lakshmi Prasanna, and Javad Khazaii. "Modeling Effects of Occupants’ Time-Off Behavior in Buildings on Load Calculation and Energy Modeling." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-94363.

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Abstract The number of people living and working in a building is one of the key inputs to the load calculation and energy modeling software for buildings HVAC system design. The number of occupants in a building not only has a considerable effect on the internal load/ energy consumption of the building, but also directly affects the required building quantity of outdoor air. Load associated to the number of occupants and quantity of required outdoor air for these people contributes close to one-third of the total load/ energy consumption of a building [1]. In addition, number of the occupants will affect the associated equipment load/ consumed energy by the people as well. HVAC engineers select the number of the people living and working in the buildings based on the design architect’s intention, type of application, and the engineering standards and guidelines recommendations. Design engineers based on the recommendations of these guidelines, and their own experience/judgement and architect input, set the design value for the number of occupants in the calculating software. As the result of design engineer assumption/ judgement which generally tends to give some diversity allowance for the design number of occupants, the load and energy consumption of the buildings will be reduced uniformly throughout the year depending how much allowance each engineer assumes. In this research authors will use agent-based modeling simulation to model occupants’ behavior when selecting their time on-off hours throughout the year. Using this modeling helps the researchers to evaluate if it is possible to justify engineers’ judgement for uniformly reduction of the number of people and their associated equipment when performing load calculation and energy modeling. The model will also contribute to developing a better occupant scheduling when running load calculation/ energy modeling programs.

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Cowie, Matthew, Xiaohong Liao, and Reinhard Radermacher. "Applying CHP to the Ventilation Air of Buildings." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-43920.

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There is a strong industry focus on packaged CHP systems for small scale applications where the design time for unique installations cannot be justified. Distributed generators such as microturbines, reciprocating engines and fuel cells can all now be purchased as CHP products. The development of these products will bring the energy, environmental and economic savings realized in larger applications to the smaller consumers. CHP systems traditionally operate most effectively and give the shortest payback when operated continuously at full output in a baseloading application. This is in conflict with a typical commercial building whose energy requirements vary extensively over daily, weekly and seasonal time periods. Just as CHP is not expected to supply the entire energy requirements of the industrial sector, so CHP should be looked at as merely part of the energy mix for the commercial sector as the capital cost of CHP equipment is typically higher compared to its alternatives and there are technical complications to supply a heating or cooling to power ratio away from design values. An economic CHP system must therefore have a capacity much lower than the peak load of the building to ensure high utilization of the system so that the larger capital investment can be recovered through energy cost savings as quickly as possible. In the absence of a year round continuous demand for either hot or chilled water a commercial CHP system must offer a diverse range of outputs so that the waste heat from the generator can be utilized as mush as possible particularly since the generator component is likely to dominate the capital cost of the installation. This paper proposes that the outdoor, or ventilation air stream into a building provides an excellent capacity match for CHP equipment packaged as a CHP Dedicated Outdoor Air System (CHPDOAS). Ventilation air has the largest temperature and humidity difference with indoor air of any stream of air in the building and so reduces the heat and mass transfer surface areas in the equipment. Also since the ventilation air is only a fraction of the total air flow rate that is being conditioned the CHP system can overcool the air in the summer or overheat the air in the winter and the effect is simply the reduce the cooling or heating workload of the conventional equipment since the ventilation air is then mixed with the bulk of the air remaining in the building before being conditioned. This means that the CHP system can run its generator for longer hours and at higher loads than would have been possible if the outlet conditions were set at space neutral or space supply conditions.

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Norman, Charles R. "Wind Driven Rain (WDR) Forces on Equipment and Structures." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66762.

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Engineers design ASME vessels, towers, stacks, tanks, equipment and other structures for wind loads using ASCE 07 “Minimum Design Loads for Buildings and Other Structures”. During heavy rains, additional forces are added to these calculations and this paper presents a computational method to address them. The resultant wind driven rain (WDR) forces in pounds per square foot (psf) can be greater than dry air forces. The method includes wind velocity, rainfall intensity, catch ration, and effects of the structures. During hurricanes, consideration of these WDR forces is especially important for preventing damages and failures. Examples of vessels, tall towers and stacks are presented.

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Birega, Miseker, and Javad Khazaii. "Analyzing the Effects of HVAC Equipment Uncertainty in Building Energy Modeling for Professional Environment." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-72295.

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Abstract The concept of evaluating the effects of uncertainty in energy modeling has been discussed in the past few years widely in academic environment. These evaluations have been mainly concentrated on architectural components of the buildings. Little effort has been done to investigate the effects of the uncertainty in the mechanical systems of the building on the energy modeling outcome. There has been a barrier against implementing the findings of the academic research into real world professional architectural and HVAC engineering design. The fact is that majority of the academic research in the field of uncertainty is done with software that are popular in academic environment but are not the choice of professional engineers when performing real life building energy modeling. To help improve this disconnect between the academic and professional realm, this effort introduces a supplemental software that is written on a free platform (Python) and can be interlocked with eQuest that is used for energy modeling by professional firms. Using this supplementary program helps engineers to start with mechanical parameters such as efficiency of boilers and efficiency of chillers as it has been used in design document, and change the values associated with these efficiencies within the allowed tolerances by testing standards. The study finds that the developed supplementary software can help specifying close to 6% range for energy consumption of a typical four-story office building, which highlights the supplementary software ability to improve current state of professional energy modeling practice.

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Feng, M., Y. X. Tao, E. Inclan, and R. Bartra. "Evaluation of Energy Usage for a Teaching and Research Complex." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14959.

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The evaluation of energy performance for a teaching and research complex located in South Florida was carried out by auditing the energy bills, on-site data monitoring, and numerical simulation by computer. To facilitate the process of on-site data monitoring, a remotely controlled, wireless thermal monitoring system was deployed in the building. The system can automatically collect the temperature, relative humidity ratio, illumination intensity, and building electricity usage data for analysis. The contribution and savings potential of each energy consumption component is analyzed for the whole building. From the audit result it is obvious that laboratory equipment is the dominant electricity consumption factor. The fluctuation pattern of electricity usage due to artificial lighting demonstrates the effectiveness of occupancy sensors for energy saving during evenings, weekends and holidays. The trend of HVAC chilled water consumption rate follows closely with the indoor and outdoor temperature difference. Since the HVAC coil load represents the building's total cooling requirement, the ratio between chilled water rate and temperature difference reflects the building's comprehensive thermal resistance. This coefficient can be used as a new building energy index for future energy audits of similar buildings. Finally, computer software simulates several proposed energy saving scenarios, e.g. reducing the HVAC fresh air percentage, adding energy wheel to recycle the wasted cooling, etc. The result shows that installing energy wheel can save more cooling load than other methods, however such benefit is compromised by its extra motor electricity usage.

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Khalil, Dalia E., Ahmed A. Medhat, and Essam E. Khalil. "Energy Modelling of Modern Residence in Egypt." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85714.

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The present paper aims to develop/investigate an innovative approach for affordable houses for the medium income families, forming the major category of the Egyptian society using Design-Builder simulation and emphasizing the mechanical HVAC systems and their impact on energy consumption. Design-Builder ( a simulation user-friendly interface) for Energy-Plus (an energy simulation engine for energy modeling in buildings, heating, cooling, lighting, ventilating and other energy flows) is utilized to create a “virtual environment” in which the HVAC system effect is studied. Extensive field surveys are made to collect data regarding occupancy behavior, light and equipment schedules and other mechanical systems usage in such application. The majority of surveys indicated that split system (heat pumps) + mechanical ventilation (exhaust fan for bathroom and kitchen) are most common in the Egyptian society. The subject facility is located in Cairo, Egypt. The layout of this building/house has been developed by research architects in the Housing & Building National Research Centre HRBC taking into their consideration the medium income citizens, [1] needs and limited budget, the energy efficiency concepts as well as the previous work carried in the field of sustainable architecture. The individual buildings are formed of three floors containing twelve 100 m2 apartments. Each apartment consists of three bedrooms, a bathroom, a kitchen and a lounge.

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Serban, V., A. Panait, and M. Androne. "Mechanical devices to control, limit and attenuate shocks, vibrations and seismic movements in buildings, equipment and piping networks." In ERES 2009. Southampton, UK: WIT Press, 2009. http://dx.doi.org/10.2495/eres090211.

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Fumo, Nelson, Daniel C. Lackey, and Sara McCaslin. "Analysis of Autoregressive Energy Models of a Research House." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50630.

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Energy consumption from buildings is a major component of the overall energy consumption by end-use sectors in industrialized countries. In the United States of America (USA), the residential sector alone accounts for half of the combined residential and commercial energy consumption. Therefore, efforts toward energy consumption modeling based on statistical and engineering models are in continuous development. Statistical approaches need measured data but not buildings characteristics; engineering approaches need building characteristics but not data, at least when a calibrated model is the goal. Among the statistical models, the linear regression analysis has shown promising results because of its reasonable accuracy and relatively simple implementation when compared to other methods. In addition, when observed or measured data is available, statistical models are a good option to avoid the burden associated with engineering approaches. However, the dynamic behavior of buildings suggests that models accounting for dynamic effects may lead to more effective regression models, which is not possible with standard linear regression analysis. Utilizing lag variables is one method of autoregression that can model the dynamic behavior of energy consumption. The purpose of using lag variables is to account for the thermal energy stored/release from the mass of the building, which affects the response of HVAC equipment to changes in outdoor or weather parameters. In this study, energy consumption and outdoor temperature data from a research house are used to develop autoregressive models of energy consumption during the cooling season with lag variables to account for the dynamics of the house. Models with no lag variable, one lag variable, and two lag variables are compared. To investigate the effect of the time interval on the quality of the models, data intervals of 5 minutes, 15 minutes, and one hour are used to generate the models. The 5 minutes time interval is used because that is the resolution of the acquired data; the 15 minutes time interval is used because it is a common time interval in electric smart meters; and one hour time interval is used because it is the common time interval for energy simulation in buildings. The primary results shows that the use of lag variables greatly improves the accuracy of the models, but a time interval of 5 minutes is too small to avoid the dependence of the energy consumption on operating parameters. All mathematical models and their quality parameters are presented, along with supporting graphical representation as a visual aid to comparing models.

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Reports on the topic "Buildings, mechanical equipment"

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JINGTING, ZHANG. Further development of innovative applications based on the inverse piezoelectric effect. Intellectual Archive, March 2024. http://dx.doi.org/10.32370/iaj.3051.

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As practice has shown, piezoelectric motors based on the principles of the inverse piezoelectric effect can become the basis for the latest automation systems and precision mechanics, as well as innovative lighting technology; The main interest of developers of our company is the possibility of building on the basis of the inverse piezoelectric effect of systems and configurations related to the systems of precision and small-sized stepper motors As the requirements for accuracy and weight reduction of such engines become stricter, including by reducing overall dimensions, more and more variants and technical solutions based on the complex application of special composite materials are offered as a base material for building elements and structures of such engines. In modern electronic equipment, especially mass-produced, it is extremely important to correctly determine the initial technical requirements for the product, which in the process of production and operation should allow to carry out innovative modification of the product without changing the fundamental basis of its design, circuit solutions and combination of materials and component parts.

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