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Articoli di riviste sul tema "Heating and ventilation control"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 13 febbraio 2022

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1

Abed Elfattah, Shaymaa, Mubarak M. Mostafa, Mahmoud A. Elnono, and Ahmed M. Kassem. "GREENHOUSE HEATING AND VENTILATION CONTROL SYSTEM." Misr Journal of Agricultural Engineering 31, no. 2 (April 1, 2014): 667–82. http://dx.doi.org/10.21608/mjae.2014.99670.

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2

Fisher, G., B. Ligman, T. Brennan, R. Shaughnessy, B. H. Turk, and B. Snead. "Radon Mitigation in Schools Utilising Heating, Ventilating and Air Conditioning Systems." Radiation Protection Dosimetry 56, no. 1-4 (December 1, 1994): 51–54. http://dx.doi.org/10.1093/oxfordjournals.rpd.a082421.

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Abstract As part of a continuing radon in schools technology development effort, EPA's School Evaluation Team has performed radon mitigation in schools by the method of ventilation/pressurisation control technology. Ventilation rates were increased, at a minimum, to meet the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) standard Ventilation for Acceptable Indoor Air Quality (ASHRAE 62-1989). This paper presents the results and the preliminary evaluations which led to the team's decision to implement this technology. Factors considered include energy penalti

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3

Yau, Jamilu, Ji JianWei, Hui Wang, Olubakinde Eniola, and Folahan Peter Ibitoye. "Modelling of Ventilation Rate and Heating Rate using Multi-Module Fuzzy Control System for A Greenhouse." European Journal of Engineering Research and Science 5, no. 7 (July 31, 2020): 800–806. http://dx.doi.org/10.24018/ejers.2020.5.7.2015.

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The implementation of Ventilation rate and Heating rate can save energy and reduce cost of production. In previous studies, ventilation rates and heating rates were calculated based on mass and energy balance but they are mainly influenced by several factors. In order to check for the effectiveness and applicability of greenhouse ventilation rate and heating rate, we study a multi-module fuzzy control method and use fuzzy logic controllers to control the coordination of a greenhouse heating and ventilation systems. The complexity is reduced by using fuzzy tool in matlab-simulink environment wh

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4

Krajčík, Michal, Lucia Kudiváni, and Ardeshir Mahdavi. "Energy Saving Potential of Personalized Ventilation Applied in an Open Space Office under Winter Conditions." Applied Mechanics and Materials 861 (December 2016): 417–24. http://dx.doi.org/10.4028/www.scientific.net/amm.861.417.

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Mixing and displacement air distribution are the main ventilation principles applied in both residential and non-residential buildings. Recently, personalized ventilation when the fresh air is delivered directly to the occupants at a high ventilation effectiveness has become an alternative. Despite of this fact, little research has been carried out to quantify the energy saving potential of personalized ventilation. This study aimed to quantify the effect of ventilation effectiveness and control strategy on the energy performance and thermal comfort for an open plan office equipped by differen

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5

Xue, Guiyuan, Chen Wu, Wenjuan Niu, Xun Dou, Shizhen Wang, and Yadie Fu. "Flexible Control Strategy for Intelligent Building Air Conditioning System." E3S Web of Conferences 252 (2021): 01039. http://dx.doi.org/10.1051/e3sconf/202125201039.

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An improved optimization adjustment strategy for building heating ventilation and air conditioning (Heating Ventilation and Air Conditioning, HVAC) is proposed. The energy consumption model of building heating/refrigeration is established by using the instantaneous energy balance of heat, and then the optimal operation strategy of building HVAC energy based on weather forecast data is constructed in the range of user temperature comfort. Finally, the MATLAB and TRNSYS simulation techniques are used to verify the example. Simulation results show that the optimal operation strategy of building H

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6

Berquist, Justin, Carsen Banister, and Mathieu Pellissier. "Comparison of Heat Recovery Ventilator Frost Control Techniques in the Canadian Arctic: Preheat and Recirculation." E3S Web of Conferences 246 (2021): 11010. http://dx.doi.org/10.1051/e3sconf/202124611010.

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Air-to-air heat/energy recovery ventilators can effectively reduce the cost associated with ventilating a home. However, high indoor moisture levels, in conjunction with extreme temperature differences between the outdoor and indoor air can cause frost accumulation in the mechanical equipment, leading to performance degradation or failure. In this research, a demonstration house using a heat recovery ventilation system in Iqaluit, Nunavut, Canada was used to compare the performance of two frost control techniques: recirculation and electrical preheat. The advantages and disadvantages of each m

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7

Wang, Yang, Jens M. Kuckelkorn, Daoliang Li, and Jiangtao Du. "A novel coupling control with decision-maker and PID controller for minimizing heating energy consumption and ensuring indoor environmental quality." Journal of Building Physics 43, no. 1 (August 6, 2018): 22–45. http://dx.doi.org/10.1177/1744259118792582.

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Due to climate change, global energy crisis, and high-quality life requirement for people, decreasing building energy consumption and enhancing indoor environment quality through control of heating, ventilation, and air conditioning systems tend to be increasingly important. Therefore, favorable control methods for heating and ventilation systems are urgently necessary. In this work, a new coupling control with decision-maker was proposed, developed, and investigated; meanwhile, several demand controlled ventilation strategies combined with heating control method was compared considering heati

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8

Jamieson, M. "Climate control systems and equipment — heating, energy conservation and system failure." BSAP Occasional Publication 11 (January 1987): 75–86. http://dx.doi.org/10.1017/s0263967x00001798.

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AbstractConventionally heat consumption forms a small proportion (about 002) of the total cost of producing finishing pigs. Heating costs are incurred from farrowing to about 20 kg live weight and generally represent about 0–05 of production costs to this stage.Apart from the incorporation of adequate insulation in the building structure, the main means of restricting heating costs is by good control of minimum ventilation rate. Efficient control systems are available but operators do not always fully understand how they are intended to work, so effective training is as important as clear oper

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9

Saber, Esmail Mahmoudi, Issa Chaer, Aaron Gillich, and Bukola Grace Ekpeti. "Review of Intelligent Control Systems for Natural Ventilation as Passive Cooling Strategy for UK Buildings and Similar Climatic Conditions." Energies 14, no. 15 (July 21, 2021): 4388. http://dx.doi.org/10.3390/en14154388.

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Natural ventilation is gaining more attention from architects and engineers as an alternative way of cooling and ventilating indoor spaces. Based on building types, it could save between 13 and 40% of the building cooling energy use. However, this needs to be implemented and operated with a well-designed and integrated control system to avoid triggering discomfort for occupants. This paper seeks to review, discuss, and contribute to existing knowledge on the application of control systems and optimisation theories of naturally ventilated buildings to produce the best performance. The study fin

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10

Lachhab, Fadwa, Mohamed Bakhouya, Radouane Ouladsine, and Mohammed Essaaidi. "A context-driven platform using Internet of things and data stream processing for heating, ventilation and air conditioning systems control." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 233, no. 7 (April 9, 2019): 877–88. http://dx.doi.org/10.1177/0959651819841534.

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Control approaches of heating, ventilation and air conditioning systems in buildings have been proposed in the past years for minimizing energy consumption and maintaining occupants’ comfort. However, recent studies have shown that context-driven control approaches using Internet of things and data stream processing technologies could further improve energy saving in heating, ventilation and air conditioning systems. In this article, an intelligent control approach using a state feedback technique is introduced to regulate the heating, ventilation and air conditioning system according to the a

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11

Javed, Saqib, Ivar Rognhaug Ørnes, Tor Helge Dokka, Maria Myrup, and Sverre Bjørn Holøs. "Evaluating the Use of Displacement Ventilation for Providing Space Heating in Unoccupied Periods Using Laboratory Experiments, Field Tests and Numerical Simulations." Energies 14, no. 4 (February 11, 2021): 952. http://dx.doi.org/10.3390/en14040952.

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Displacement ventilation is a proven method of providing conditioned air to enclosed spaces with the aim to deliver good air quality and thermal comfort while reducing the amount of energy required to operate the system. Until now, the practical applications of displacement ventilation have been exclusive to providing ventilation and cooling to large open spaces with high ceilings. The provision of heating through displacement ventilation has traditionally been discouraged, out of concern that warm air supplied at the floor level would rise straight to the ceiling level without providing heat

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12

Yezhov, V. S., N. E. Semicheva, D. N. Tyutyunov, A. P. Burtsev, N. S. Perepelitsa, and A. P. Burtsev. "Mathematical Model for Automated Heat Flow Control of an EnergyEfficient Ventilation System." Proceedings of the Southwest State University 25, no. 1 (May 30, 2021): 38–52. http://dx.doi.org/10.21869/2223-1560-2021-25-1-38-52.

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Purpose of research. In modern ventilation and air conditioning systems (VAC), one of the main components is an automatic control system (ACS) which performs various functions and also provides highly efficient operation in the range from shutdown functions to centralized regulation and control of climate parameters (temperature, humidity, monitoring concentrations of harmful substances, air speed). The goal is to study a mathematical model of heat flow control of a supply and exhaust ventilation system with a builtin integrated recuperative heat exchanger for the purpose of utilization of low

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13

Ioslovich, Ilya, Per-Olof Gutman, and Ido Seginer. "A non-linear optimal greenhouse control problem with heating and ventilation." Optimal Control Applications and Methods 17, no. 3 (July 1996): 157–69. http://dx.doi.org/10.1002/(sici)1099-1514(199607/09)17:3<157::aid-oca570>3.0.co;2-x.

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14

Zhang, Y., and E. M. Barber. "An Evaluation of Heating and Ventilation Control Strategies for Livestock Buildings." Journal of Agricultural Engineering Research 60, no. 4 (April 1995): 217–25. http://dx.doi.org/10.1006/jaer.1995.1016.

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15

Kooistra, E. "Developments in the control of growing conditions in Dutch glasshouse horticulture." Netherlands Journal of Agricultural Science 34, no. 3 (August 1, 1986): 381–85. http://dx.doi.org/10.18174/njas.v34i3.16791.

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A short review and discussion on recent advances in greenhouse heating and ventilation, energy saving, growing on artificial substrates, and automated management information systems. (Abstract retrieved from CAB Abstracts by CABI’s permission)

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16

Garay-Martinez, Roberto, and Beñat Arregi. "Curtain Wall with Solar Preheating of Ventilation Air. Full Scale Experimental Assessment." E3S Web of Conferences 172 (2020): 09007. http://dx.doi.org/10.1051/e3sconf/202017209007.

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Heating load in Commercial buildings is highly related with ventilation systems, while at the same time local discomfort in the vicinity of glass walls occurs due to overheating. In this paper, a novel double envelope curtain wall is presented, which extracts heat from the façade by means of a ventilated cavity which is then incorporated to the ventilation air intake. A substantial reduction of heating loads is achieved. Whenever solar gains are not sought, a bypass element allows the natural ventilation of this air cavity, acting as a ventilated façade. An integrated control system with embed

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17

Bragança, Pierre, Kodjovi Sodjavi, Amina Meslem, and Ilinca Nastase. "Passive control strategy for mixing ventilation in heating mode using lobed inserts." Energy and Buildings 133 (December 2016): 512–28. http://dx.doi.org/10.1016/j.enbuild.2016.10.023.

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18

Lin, Chang-Ming, Hsin-Yu Liu, Ko-Ying Tseng, and Sheng-Fuu Lin. "Heating, Ventilation, and Air Conditioning System Optimization Control Strategy Involving Fan Coil Unit Temperature Control." Applied Sciences 9, no. 11 (June 11, 2019): 2391. http://dx.doi.org/10.3390/app9112391.

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The objective of this study was to develop a heating, ventilation, and air conditioning (HVAC) system optimization control strategy involving fan coil unit (FCU) temperature control for energy conservation in chilled water systems to enhance the operating efficiency of HVAC systems. The proposed control strategy involves three techniques, which are described as follows. The first technique is an algorithm for dynamic FCU temperature setting, which enables the FCU temperature to be set in accordance with changes in the outdoor temperature to satisfy the indoor thermal comfort for occupants. The

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19

Barch, Anna, Sergey Naumenko, Alexandr Kotelnikov, and Lev Muginshtein. "Use and control of heat flows in ventilation shafts of subways with Thermal Power Generation." MATEC Web of Conferences 239 (2018): 01045. http://dx.doi.org/10.1051/matecconf/201823901045.

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The variants of schematic technical solution of the system of using secondary energy resources - the waste heat of the subway – for the heating of subway stations are proposed, the results of the feasibility study of the heating of the “Nagatinskaya” station of the Moscow Metro with the use of heat pumps are presented.

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20

Goel, Swati, and R. Manikandan. "Validating the performance of the HVAC system for commercial buildings." International Journal of Engineering & Technology 7, no. 2.8 (March 19, 2018): 491. http://dx.doi.org/10.14419/ijet.v7i2.8.10491.

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Commercial Buildings consumes a large amount of world’s energy. Energy components comprises of Lighting, Heating, Cooling, Ventilation, water heating etc. To make the building energy efficient, we need to maintain, monitor and apply thermal optimization. Numerous researchers over the world are chipping away at vitality demonstrating and control with a specific end goal to create techniques which will bring about general decrease of vitality utilization. This paper presentstheworkflow of the energy modelling HVAC (heating, ventilation and cooling)systemwhich proved to be the complete solution f

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21

Basile, M. C., V. Bruni, F. Buccolini, D. De Canditiis, S. Tagliaferri, and D. Vitulano. "Automatic and Noninvasive Indoor Air Quality Control in HVAC Systems." Journal of Industrial Mathematics 2016 (June 30, 2016): 1–11. http://dx.doi.org/10.1155/2016/9674387.

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This paper presents a methodology for assessing and monitoring the cleaning state of a heating, ventilation, and air conditioning (HVAC) system of a building. It consists of a noninvasive method for measuring the amount of dust in the whole ventilation system, that is, the set of filters and air ducts. Specifically, it defines the minimum amount of measurements, their time table, locations, and acquisition conditions. The proposed method promotes early intervention on the system and it guarantees high indoor air quality and proper HVAC working conditions. The effectiveness of the method is pro

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22

Ayaz, Murat, Volkan Aygül, Ferhat Düzenli˙, and Erkutay Tasdemi˙rci˙. "Comparative Study on Control Methods for Air Conditioning of Industrial Paint Booths." Advanced Science, Engineering and Medicine 11, no. 11 (November 1, 2019): 1053–59. http://dx.doi.org/10.1166/asem.2019.2454.

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It is of great importance that each product in industrial production facilities is to be produced in the same quality and standard. Especially in the automotive industry, the painting process needs to be done under certain environmental conditions according to the paint properties used. Therefore, the temperature, humidity and air quality values of the paint booth are very important for a quality painting operation. In this study, adaptive control has been proposed to control of one-zone heating-ventilation system for the paint booths. The system has been modelled by using the Matlab/Simulink.

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23

Xu, Xiaoyan, Qing-Shan Jia, Zhanbo Xu, Beibei Zhang, and Xiaohong Guan. "On Joint Control of Heating, Ventilation, and Air Conditioning and Natural Ventilation in a Meeting Room for Energy Saving." Asian Journal of Control 18, no. 5 (February 4, 2016): 1781–804. http://dx.doi.org/10.1002/asjc.1260.

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24

Kaminska, Aniela. "Impact of Heating Control Strategy and Occupant Behavior on the Energy Consumption in a Building with Natural Ventilation in Poland." Energies 12, no. 22 (November 12, 2019): 4304. http://dx.doi.org/10.3390/en12224304.

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This study aims to provide an experimental assessment of energy consumption in an existing public building in Poland, in order to analyze the impact of occupant behavior on that consumption. The building is naturally ventilated and the occupants have the freedom to change the temperature set point and open or close the windows. The energy consumption is calculated and the calculation results are compared with the experimental data. An analysis of occupants’ behavior has revealed that they choose temperature set points in a wide range recognized as thermal comfort, and window opening is acciden

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Berckmans, D., and V. Goedseels. "Development of new control techniques for the ventilation and heating of livestock buildings." Journal of Agricultural Engineering Research 33, no. 1 (January 1986): 1–12. http://dx.doi.org/10.1016/s0021-8634(86)80024-5.

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Liu, Jing, Zhiwen Luo, Taoyao Zhao, and Jing Shui. "Ventilation in a Street Canyon under Diurnal Heating Conditions." International Journal of Ventilation 11, no. 2 (September 2012): 141–54. http://dx.doi.org/10.1080/14733315.2012.11683977.

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Ding, Junwei, Chuck Wah Yu, and Shi-Jie Cao. "HVAC systems for environmental control to minimize the COVID-19 infection." Indoor and Built Environment 29, no. 9 (October 21, 2020): 1195–201. http://dx.doi.org/10.1177/1420326x20951968.

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The outbreak of pneumonia caused by 2019 Novel Coronavirus arises significant concern for virus transmission and control. The control of the indoor environment or public-enclosed environment is crucial to reduce the risk of infection. Heating, ventilation, air-conditioning (HVAC) systems are used to create a healthy, thermal-comfort indoor environments. Thus, the rational use of HVAC systems is of great importance for the environmental control to reduce infection risk and to improve human wellbeing in the pandemic. In order to satisfy the requirement of better healthy environment and more ther

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Ibrahim Oleolo, Hayati Abdullah, Maziah Mohamad, Mohammad Nazri Mohd Jaafar, Akmal Baharain, and Sapiah Sulaiman. "Multi-Circuit Air-Conditioning System Modelling for Temperature Control." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 83, no. 2 (June 8, 2021): 14–24. http://dx.doi.org/10.37934/arfmts.83.2.1424.

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The suitable application of innovative control strategies in Heating, Ventilation, and Air-conditioning systems is important to improving the energy efficiency and maintenance of temperature set point to improve thermal comfort in buildings. The increased focus on energy savings and appropriate thermal comfort has resulted in the necessity for more dynamic approach to the use of these controllers. However, the design of these controllers requires the use of an accurate dynamic modelling. Substantial progresses have been made in the past on model development to provide better control strategy t

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Liu, Wei, Zhen Yu, Jianlin Wu, Huai Li, Caifeng Gao, and Hongwei Gong. "Influence of Building Air Tightness on Energy Consumption of Ventilation System in Nearly Zero Energy Residential Buildings." E3S Web of Conferences 111 (2019): 03074. http://dx.doi.org/10.1051/e3sconf/201911103074.

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Building air tightness increased quickly in recent years as nearly zero energy buildings concept gradually drawn more attentions from the industry. Ventilation system plays an important role for the indoor air quality control in residential buildings with good air tightness. The energy consumption of the ventilation system is a significant part of the overall energy consumption of low energy residential building. The influence of the building air tightness on the energy consumption of ventilation system was not addressed sufficiently in previous studies. This paper analyses the quantitative re

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Merabet, Ghezlane Halhoul, Mohamed Essaaidi, and Driss Benhaddou. "A dynamic model for human thermal comfort for smart building applications." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 234, no. 4 (July 28, 2019): 472–83. http://dx.doi.org/10.1177/0959651819865795.

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Thermal comfort is closely related to the evaluation of heating, ventilation, and air conditioning systems. It can be seen as the result of the perception of the occupants of a given environment, and it is the product of the interaction of a number of personal and environmental factors. Otherwise, comfort issues still do not play an important role in the daily operation of commercial buildings. However, in the workplace, local quality effects, in addition to the health, the productivity that has a significant impact on the performance of the activities. In this regard, researchers have conduct

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Kochev, Alexey, Mikhail Sokolov, and Kirill Lushin. "Air exchange calculation in traditional buildings of orthodox churches in Russia." E3S Web of Conferences 263 (2021): 04048. http://dx.doi.org/10.1051/e3sconf/202126304048.

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The paper devoted to indoor air quality providing in orthodox churches in Russia. Using the results of theoretical and experimental research made some practical recommendations for design and installation of ventilation systems in orthodox churches. Significant part of research deals with air and constructions humidity controls by reverse osmosis. It is reaffirmed that the rate of dehumidification is directly connected with the air exchange rates and operation of space heating devises in premises. It is very common to use natural ventilation in old churches. It is very easy to install and main

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Naidu, D. Subbaram, and Craig Rieger. "Advanced control strategies for heating, ventilation, air-conditioning, and refrigeration systems—An overview: Part I: Hard control." HVAC&R Research 17, no. 1 (February 2011): 2–21. http://dx.doi.org/10.1080/10789669.2011.540942.

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Rasheed, Adnan, Cheul Soon Kwak, Wook Ho Na, Jong Won Lee, Hyeon Tae Kim, and Hyun Woo Lee. "Development of a Building Energy Simulation Model for Control of Multi-Span Greenhouse Microclimate." Agronomy 10, no. 9 (August 21, 2020): 1236. http://dx.doi.org/10.3390/agronomy10091236.

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In this study, we propose a building energy simulation model of a multi-span greenhouse using a transient system simulation program to simulate greenhouse microenvironments. The proposed model allows daily and seasonal control of screens, roof vents, and heating setpoints according to crop needs. The proposed model was used to investigate the effect of different thermal screens, natural ventilation, and heating setpoint controls on annual and maximum heating loads of a greenhouse. The experiments and winter season weather conditions of greenhouses in Taean Gun (latitude 36.88° N, longitude 126

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Ferdyn-Grygierek, Joanna, and Krzysztof Grygierek. "Proposed Strategies for Improving Poor Hygrothermal Conditions in Museum Exhibition Rooms and Their Impact on Energy Demand." Energies 12, no. 4 (February 15, 2019): 620. http://dx.doi.org/10.3390/en12040620.

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In museums, poor microclimate conditions, especially large changes in relative humidity and temperature, can lead to serious deterioration of the exhibits. Properly designed heating, ventilation, and air conditioning (HVAC) systems for precise control of the air parameters are required. However, due to the financial restrictions of museums, complex air-conditioning systems are often not feasible. In this study, we tested and propose novel methods to reduce the short- and long-term fluctuations in the relative humidity in exhibition rooms of a Polish museum. The methods only include indoor temp

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Yu, Xiao Ping, and Xiang Zhao Fu. "Study on the Ventilation and Dehumidification System Integration Framework for City Buildings in Hot Summer and Cold Winter Zone." Applied Mechanics and Materials 204-208 (October 2012): 4270–73. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.4270.

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Building ventilation has typical regional characteristics, due to its annual high wet climate characteristics in hot summer and cold winter area, the choice of ventilation type is especially important. The present building energy consumption simulation and thermal comfort evaluation of is inadequate to air humidity effects, and easily to ignore ventilation energy saving potential with building thermal environment control. In this paper based on the region annual building humidity environment characteristic, author put forward a kind of building ventilation and dehumidification integrated solut

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Younis, Samir M., and Ashraf F. Ragheb. "DEVELOPMENT OF A TRADITIONAL HETCHERY Part I: Control System of Ventilation, heating, Constant temperature." Misr Journal of Agricultural Engineering 27, no. 1 (January 1, 2010): 372–87. http://dx.doi.org/10.21608/mjae.2010.107178.

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BAKKER, L. G., A. H. M. BROUWER, and R. BABUŠKA. "INTEGRATED PREDICTIVE ADAPTIVE CONTROL OF HEATING, COOLING, VENTILATION, DAYLIGHTING AND ELECTRICAL LIGHTING IN BUILDINGS." International Journal of Solar Energy 21, no. 2-3 (January 15, 2001): 203–17. http://dx.doi.org/10.1080/01425910108914371.

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Garnier, Antoine, Julien Eynard, Matthieu Caussanel, and Stéphane Grieu. "Predictive control of multizone heating, ventilation and air-conditioning systems in non-residential buildings." Applied Soft Computing 37 (December 2015): 847–62. http://dx.doi.org/10.1016/j.asoc.2015.09.022.

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Bragança, Pierre, Kodjovi Sodjavi, and Amina Meslem. "Passive Control Strategy for Mixing Ventilation in Heating and Cooling Modes Using Lobed Inserts." Energy Procedia 112 (March 2017): 232–39. http://dx.doi.org/10.1016/j.egypro.2017.03.1091.

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Chan, C. C., A. B. Rad, and Y. K. Wong. "Comparison of GPC Controller and a Pid Auto-Tuner for a Heating Plant." International Journal of Electrical Engineering & Education 34, no. 4 (October 1997): 316–25. http://dx.doi.org/10.1177/002072099703400403.

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Generalised Predictive Control (GPC)1 is applied on the VVS-400 Heating/Ventilation System4. The temperature control performance of GPC is compared with the on-board PID auto-tuner under load disturbance condition. GPC seems to be not affected if the plant model is over-parameterized. Furthermore, any offsets are eliminated by the consequence of assuming CARIMA plant model.

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Franco, Alessandro, Lorenzo Miserocchi, and Daniele Testi. "HVAC Energy Saving Strategies for Public Buildings Based on Heat Pumps and Demand Controlled Ventilation." Energies 14, no. 17 (September 5, 2021): 5541. http://dx.doi.org/10.3390/en14175541.

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The paper analyzes and compares the perspectives for reducing the energy consumption associated to the operation of Heating Ventilation and Air Conditioning system for climatic control of large-size non-residential buildings. Three different control strategies are considered comparing the use of boiler and heat pumps as heating systems and analyzing the use of demand-controlled ventilation, operating on the effective occupancy of the building. The control strategies are applied to two different educational buildings with shapes representative of typical educational structures. The results of t

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42

Jomaa, M., M. Abbes, F. Tadeo, and A. Mami. "Greenhouse Modeling, Validation and Climate Control based on Fuzzy Logic." Engineering, Technology & Applied Science Research 9, no. 4 (August 10, 2019): 4405–10. http://dx.doi.org/10.48084/etasr.2871.

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This paper deals with the modeling and control of the air temperature and humidity in greenhouses. A physical model of the greenhouse used in the Simulink/Matlab environment is elaborated to simulate both temperature and indoor humidity. As a solution to the non-linearity and complexity of the greenhouse system, a fuzzy logic method is developed to control the actuators that are installed inside the greenhouse for heating, ventilation, humidification and cooling to obtain a suitable microclimate.

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43

Chao, Kuanglin, Richard S. Gates, and Robert G. Anderson. "A Knowledge-based System for Control of the Environment for Single-stem Roses." HortScience 31, no. 4 (August 1996): 654c—654. http://dx.doi.org/10.21273/hortsci.31.4.654c.

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Knowledge engineering offers substantial opportunities for integrating and managing conflicting demands in greenhouse crop production. A fuzzy inference system was developed to balance conflicting requirements of producing a high-quality, single-stem rose crop while simultaneously controlling production costs of heating and ventilation. An adaptive neuro-fuzzy inference system was built to predict the rose status of `Lady Diana' single-stem roses from nondestructive measurements. The fuzzy inference system was capable of making a critical decision based on the principle of economic optimizatio

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44

Ivanov, Yuri, and Nikolai Novikov. "Digital intelligent microclimate control of livestock farms." E3S Web of Conferences 175 (2020): 11012. http://dx.doi.org/10.1051/e3sconf/202017511012.

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The article presents the livestock structural and hardware implementations, the element base of digital intelligent microclimate control’s systems, the tasks must be solved in the light of microclimate quality imposed by livestock production modern technologies’ requirements are formulated. It is shown that the microclimate quality by changing of heating (cooling) power and air exchange equipment based on air environment’s temperature, humidity, and carbon dioxide content’s measurements is provided. An animals’ premises microclimate parameters’ automatic discrete-analog-digital control has bee

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45

Song, Zhaopeng, Fengjie Wei, Xinfeng Su, Yongjun Wang, Yikuan Fan, and Jian-An Wang. "Application of automatic control furnace for combustion of biomass briquette fuel for tobacco curing." Thermal Science, no. 00 (2020): 148. http://dx.doi.org/10.2298/tsci191115148s.

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Applying biomass energy for curing flue-cured/Virginia tobacco heating is the best way to realize green tobacco production. Aiming to satisfy the heating demand for flue-cured tobacco curing, a new heating device that uses biomass briquettes as fuel for curing tobacco is adopted the first time, which was developed using modern mature electromechanical and computer technology. The new device consists of automatic feeding, ash cleaning, ventilation, and ignition systems governed by an intelligent tobacco-curing controller designed for specific curing characteristics. The results of experiments c

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46

Jeffs, James, Truong Quang Dinh, Widanalage Dhammika Widanage, Andrew McGordon, and Alessandro Picarelli. "Optimisation of Direct Battery Thermal Management for EVs Operating in Low-Temperature Climates." Energies 13, no. 22 (November 16, 2020): 5980. http://dx.doi.org/10.3390/en13225980.

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Electric vehicles (EVs) experience a range reduction at low temperatures caused by the impact of cabin heating and a reduction in lithium ion performance. Heat pump equipped vehicles have been shown to reduce heating ventilation and air conditioning (HVAC) consumption and improve low ambient temperature range. Heating the electric battery, to improve its low temperature performance, leads to a reduction in heat availability for the cabin. In this paper, dynamic programming is used to find the optimal battery heating trajectory which can optimise the vehicle’s control for either cabin comfort o

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47

Cardillo, Emanuele, Changzhi Li, and Alina Caddemi. "Embedded heating, ventilation, and air-conditioning control systems: From traditional technologies toward radar advanced sensing." Review of Scientific Instruments 92, no. 6 (June 1, 2021): 061501. http://dx.doi.org/10.1063/5.0044673.

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48

Berouine, Anass, Radouane Ouladsine, Mohamed Bakhouya, and Mohamed Essaaidi. "Towards a Real-Time Predictive Management Approach of Indoor Air Quality in Energy-Efficient Buildings." Energies 13, no. 12 (June 23, 2020): 3246. http://dx.doi.org/10.3390/en13123246.

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Abstract (sommario):

Ventilation, heating and air conditioning systems are the main energy consumers in building sector. Improving the energy consumption of these systems, while satisfying the occupants’ comfort, is the major concern of control and automation designers and researchers. Model predictive control (MPC) methods have been widely studied in order to reduce the energy usage while enhancing the occupants’ comfort. In this paper, a generalized predictive control (GPC) algorithm based on controlled auto-regressive integrated moving average is investigated for standalone ventilation systems’ control. A build

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49

Calabrese, Toni, Fabian Ochs, Dietmar Siegele, and Georgios Dermentzis. "Compact ventilation and heat pump with recirculation air for renovation of small apartments." E3S Web of Conferences 111 (2019): 01011. http://dx.doi.org/10.1051/e3sconf/201911101011.

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A new compact and cost effective heating and ventilation concept for decentral renovation of small flats in multifamily houses was developed and investigated in the framework of the Austrian project “SaLüH!” through a dynamic building and HVAC simulation study based on results of laboratory measurements of functional models. The system consists of a façade integrated supply air/exhaust air heat pump equipped with a desuperheater allowing to increase the heating power and to add more freedom to control the system. The simulation results show that such a system is able to improve the thermal com

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50

Vuksanovic, Dusan, Vera Murgul, Nikolay Vatin, and Viktor Pukhkal. "Optimization of Microclimate in Residential Buildings." Applied Mechanics and Materials 680 (October 2014): 459–66. http://dx.doi.org/10.4028/www.scientific.net/amm.680.459.

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Abstract (sommario):

Nowadays it is possible to reduce energy consumption without losing comfort as a result of using efficient energy saving technologies and advanced environment control methods for buildings. One of the measures to improve energy performance of buildings can be installation of decentralized air intake and exhaust mechanical ventilation systems with plate heat exchangers in apartments making it possible to «return» up to 85% of thermal energy. The article deals with the decentralized system controlled ventilation with heat recovery and alternative solutions heating supply air in residential build

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