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Tesi sul tema "Heating and ventilation control"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 13 febbraio 2022

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1

Dong, Bing. "Integrated Building Heating, Cooling and Ventilation Control." Research Showcase @ CMU, 2010. http://repository.cmu.edu/dissertations/4.

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Abstract (sommario):
Current research studies show that building heating, cooling and ventilation energy consumption account for nearly 40% of the total building energy use in the U.S. The potential for saving energy through building control systems varies from 5% to 20% based on recent market surveys. In addition, building control affects environmental performances such as thermal, visual, air quality, etc., and occupancy such as working productivity and comfort. Building control has been proven to be important both in design and operation stages. Building control design and operation need consistent and reliable
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2

Graham, W. J. "Adaptive control of wet heating systems." Thesis, University of Oxford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370317.

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3

Kranz, Jürgen. "Intelligent automotive thermal comfort control." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1435.

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Mobility has become a substantial part in our society. Since we spend a lot of our available time on the road, we expect the automotive environment to provide similar comfort levels than residential buildings. Within this context, this research thesis especially focuses on automotive thermal comfort control. The automotive cabin is a very special environment, which is characterized by extreme inhomogeneity and overall transient behavior. Thermal comfort is a very vague and a very subjective term, which depends on physiological and psychological variables. Theories for thermal comfort in transi
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4

Rashid, Dewan Md Harunur Mechanical &amp Manufacturing Engineering Faculty of Engineering UNSW. "Wake survey behind a rotating ventilator." Awarded by:University of New South Wales. School of Mechanical and Manufacturing Engineering, 2002. http://handle.unsw.edu.au/1959.4/19076.

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With environmental concern growing in both affluent and developing countries, roof top ventilators, a form of natural ventilation requiring only wind energy to ensure quality air circulation and comfort is becoming a considered choice of many households and industries. Unfortunately, however, many of these ventilators have evolved through trial and error and the flow physics associated with these ventilators is barely understood. The present experimental project was, therefore, undertaken as part of UNSW- Industry collaboration program funded under an Australian Research Council Grant to explo
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5

Hayat, Tariq. "Modelling, simulation and control of mine ventilation systems." Thesis, University of Sheffield, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387494.

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6

Tank, Prabhulal M. "Single and multiple boiler control for efficiency." Thesis, London South Bank University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259992.

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7

Asmar, Basel Nashat. "Control of a two-stage refrigeration system." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287167.

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8

Trinder, M. C. J. "Active noise control in finite length ducts." Thesis, University of Essex, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371924.

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9

Florenz-Esnal, Julian. "Temperature prediction models and their application to the control of heating systems." Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335130.

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10

Hawkins, M. E. "Fuzzy rule-based control of ducted air flows." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334222.

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11

Unruh, Cassie, Austin Johnson, and Lisa Nordman. "Residential Telemetry Applications for HVAC Control." International Foundation for Telemetering, 2011. http://hdl.handle.net/10150/595643.

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Abstract (sommario):
ITC/USA 2011 Conference Proceedings / The Forty-Seventh Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2011 / Bally's Las Vegas, Las Vegas, Nevada<br>Much of the energy consumed in developed countries is for residential heating and cooling. Substantial savings are possible if one can monitor the indoor environment at many locations, and then actively control the heating, ventilation and air conditioning (HVAC) system. This project uses a wireless sensor array and dedicated microcontroller system to control a residential HVAC system. A low data rate, ad-h
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12

Al-Nizari, Hamdan Omar A. "Dynamic performance and refrigerant flow control in refrigeration systems." Thesis, Brunel University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315452.

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13

Basharhagh, M. Zia. "Recess vane passive stall control for axial flow fans." Thesis, Cranfield University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305269.

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14

Datta, Debarati. "Frosting and demand defrost control of retail food refrigeration systems." Thesis, Brunel University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285094.

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15

Harson, Andrew. "A blade angle control system for large variable pitch fans." Thesis, Queen's University Belfast, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334529.

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16

Peel, D. "Self-tuning process control with application to an industrial dryer." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375162.

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17

Ho, Wai Fuk. "Air-conditioning system design for optimum control performance in Hong Kong." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/7242.

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Abstract (sommario):
Studies on design for control optimization of air-conditioning (a/c) system for better performance in Hong Kong are reported in this thesis. Typical plant configuration data was collected from an in-depth survey of a/c systems and control used in Hong Kong. Control performance has been used for the first time as an objective for optimizing a/c system designs. The study investigates and illustrates that optimization of a/c systems for application in the Hong Kong by simulation is promising and flexible. The accuracy of simulation is enhanced by using the survey data. The survey shows that some
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18

Silva, Pedro Miguel Abreu. "Multiple-model structures applied to fault tolerant control in heating, ventilation and air conditioning systems." Thesis, University of Reading, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541957.

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19

Dzidic, Elvira, and Mbonyimana Benjamin Jansson. "Penetration Testinga Saia Unit : A Control System for Water, Ventilation, and Heating in Smart Buildings." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299862.

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The concept of Smart Buildings and automated processes is a growing trend. Due to a rapidly growing market of buildings that relies on the Internet, improper security measures allow hackers to gain control over the whole system easily and cause devastating attacks. Plenty of effort is being put into testing and securing the devices within a smart building in order to contribute to a more sustainable society. This thesis has evaluated the security of a control system for water, ventilation, and heating in smart buildings by using ethical hacking, where the testing is based on a systematic and a
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20

Deng, Shi-Ming. "Modelling and control of an air conditioning system with emphasis on cooling coil behaviour." Thesis, London South Bank University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303912.

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21

Sklavounos, Dimitris C. "Detection of abnormal situations and energy efficiency control in Heating Ventilation and Air Conditioning (HVAC) systems." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/12843.

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Abstract (sommario):
This research is related to the control of energy consumption and efficiency in building Heating Ventilation and Air Conditioning (HVAC) systems and is primarily concerned with controlling the function of heating. The main goal of this thesis is to develop a control system that can achieve the following two main control functions: a) detection of unexpected indoor conditions that may result in unnecessary power consumption and b) energy efficiency control regarding optimal balancing of two parameters: the required energy consumption for heating, versus thermal comfort of the occupants. Methods
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22

Li, Y. "Thermal performance analysis of a PCM combined solar chimney system for natural ventilation and heating/cooling." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/0bca9412-8b49-4d3c-84e5-453e315d4c6b/1.

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Solar chimney is an important passive design strategy to maximize solar gain to enhance buoyancy effect for achieving adequate air flow rate and a desired level of thermal comfort inside a building. Therefore, solar chimney has the potential advantages over mechanical ventilation systems in terms of energy requirement, economic and environmental benefits. The main aim of this project is to study the technical feasibility of a solar chimney incorporating latent heat storage (LHS) system for domestic heating and cooling applications. The research work carried out and reported in this thesis incl
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23

Gross, Steven James. "A Feasibility Study of Model-Based Natural Ventilation Control in a Midrise Student Dormitory Building." PDXScholar, 2011. http://pdxscholar.library.pdx.edu/open_access_etds/449.

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Abstract (sommario):
Past research has shown that natural ventilation can be used to satisfy upwards of 98% of the yearly cooling demand when utilized in the appropriate climate zone. Yet widespread implementation of natural ventilation has been limited in practice. This delay in market adoption is mainly due to lack of effective and reliable control. Historically, control of natural ventilation was left to the occupant (i.e. they are responsible for opening and closing their windows) because occupants are more readily satisfied when given control of the indoor environment. This strategy has been shown to be effec
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24

Turner, Carolyn S. "Perceived thermal comfort and energy conservation strategies in residential heating." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/49947.

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Abstract (sommario):
The perception of thermal comfort is an important factor influencing the acceptability of residential heating strategies. The perceived thermal comfort may affect a person's inclination to try a strategy or to use it on a long-term basis. In the study, perceived thermal comfort was assessed in relation to room temperature, humidity, clothing worn, preferred room temperatures, personal control over the temperatures, and energy consumption. The relationships among these variables were examined for five families participating in a live-in study comparing five residential heating strategies. The s
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25

Zajic, I. "A Hammerstein-bilinear approach with application to heating ventilation and air conditioning systems." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/bb74b3bc-b12b-4a92-8aac-9781131cc75e/1.

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This thesis considers the development of a Hammerstein-bilinear approach to non-linear systems modelling, analysis and control systems design, which builds on and extends the applicability of an existing bilinear approach. The underlying idea of the Hammerstein-bilinear approach is to use the Hammerstein-bilinear system models to capture various physical phenomena of interest and subsequently use these for model based control system designs with the premise being that of achieving enhanced control performance. The advantage of the Hammerstein-bilinear approach is that the well-structured syste
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26

Sun, Jie. "Modelling and intelligent control of vehicle climatronic systems." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1118.

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The modelling and control method of a vehicle climatronic system, based on MATLAB/SIMULINK, is presented. In order to achieve high modelling accuracy, a developed simulation model library is introduced. The modelling approach is described and the developed models are validated with some of experimental data obtained. The models are nonlinear, independent of fluid type and based on thermo-dynamic principles. Analysis of the cooling circuit modelling and empirical real-time control models are created by using Fuzzy logic controller and Stateflow. Both of control input and output are implemented
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27

Voigt, Juan-Dirk. "Optimal control of a heating ventilation and air-conditioning system with ice-storage vessel in a commercial building." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/56123.

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Current research indicates that optimal control methods can be used to control heating ventilation and air-conditioning (HVAC) systems with ice-storage tanks installed in commercial buildings that employ a time-of-use billing structure. An optimal control model for the cooling cycle of the HVAC system with an ice-storage tank for a commercial building is proposed. This nonlinear optimisation problem can be solved by existing software packages. The results are compared with the existing conventional control strategy employed on the HVAC system under consideration. It is shown that the optimal c
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28

Vorderbruggen, Joan Marie. "Evaluating How Attributes of Operable Window Design Affect Office-workers' Perception of Personal Control." Thesis, University of Oregon, 2009. http://hdl.handle.net/1794/10326.

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xvi, 117 p. : ill. (some col.) A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.<br>Energy and environmental concerns warrant reconsideration of operable windows as a means of ventilating and cooling office environments. To design for optimal window use and performance, architects must understand human interaction with operable windows and the factors that influence occupant participation in their thermal environment. This thesis examines workers' personal control of operable windows in their office space thr
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29

Chirattikalwong, Anawat. "Natural ventilation and solar control : design analysis of suburban Bangkok housing estates." Virtual Press, 2007. http://liblink.bsu.edu/uhtbin/catkey/1365783.

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The housing estates boom was and is a result of the Southeast Asia economic growth after the economic crisis between 1997 and 1998. Housing estates, especially in the suburbs of Bangkok, are designed by considering only aesthetics and costs without considering the negative effects that might occur to the occupants and nature. These negative effects lead to the insufficiency energy crisis.Determining how to reduce the energy used and increase the living quality in the building type is the critical question for architects to answer. Redesigning the housing estate using sustainable design concept
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30

Ménard, Odette. "A solar climate control system using a water film flow to conserve energy in greenhouses /." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60540.

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One of the greatest problems encountered in greenhouses and buildings with large glazing is control of the internal atmosphere. The inherent characteristic of these buildings to act as solar collectors is to be used effectively for collecting and storing the excess solar energy. A new type of glazed roof, a Solar Climate Control roof system, was designed as a means to cool the interior environment of the greenhouses during the daytime and to heat during the nighttime or on overcast days.<br>A heat exchanger-storage system, using water as a thermal mass is included in the design of the Solar Cl
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31

Liew, Yu-Loong. "REMOTE CONTROL OF HEATING, VENTILATING, AND AIR CONDITIONING SYSTEM WITH LABVIEW." MSSTATE, 2003. http://sun.library.msstate.edu/ETD-db/theses/available/etd-10132003-183826/.

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Recent technological advances have extended the use of some old technology such as the X-10 home automation. With the use of X-10 and the Internet, a remote control home is possible. One of the major energy consumption appliances in a house is the heating, ventilating, and air conditioning system. The main objective of this study is to explore the possibility of using X-10 and the Internet to serve as an energy saving system. A simulation is used to estimate the energy consumption.
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32

Sun, Jian Reddy Agami T. Dr. "Methodology for adapting rigorous simulation programs to supervisory control of building HVAC & R systems: simulation, calibration and optimization /." Philadelphia, Pa. : Drexel University, 2004. http://dspace.library.drexel.edu/handle/1860/381.

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33

Lei, Tong Weng. ""D_PID" method for on-demand air conditioning system control in meetings, incentives, conventions and exhibition (M.I.C.E.) building." Thesis, University of Macau, 2009. http://umaclib3.umac.mo/record=b2148238.

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34

Al-Siyamer, Akram Dahham. "Energieffektivisering av Byggnader : En kartläggning av energianvändningen på två förskolor och två skolor i Västerås med hjälp av timvärden." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-40813.

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In the development of society towards renewable energy sources, the target in Sweden is 100% energy supply from renewable energy sources by the year 2040. This requires increased energy production from renewable, but also energy optimization of existing buildings. The housing and service sector which includes households and the public services account for about 40 % of Sweden’s total energy use. It is estimated that preschools and schools have an area of 35 million m² which have an energy savings potentials of 0,7-1 TWh in the electricity consumption and 0,9 TWh in energy use for heating. With
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35

Spasis, G. "Heating, ventilation and air conditioning system optimization : a study of the effect of climate, building design, system selection and control strategy on the energy consumption of a typical office building in London and Athens." Thesis, University College London (University of London), 2007. http://discovery.ucl.ac.uk/1445105/.

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The increasing demand for air conditioning in commercial buildings imposes a serious threat to Europe's CO2 reduction targets. Architects and engineers are therefore in a key position to help reduce the impact of buildings on the environment by taking appropriate decisions concerning the design of the building and the associated heating, ventilation and air conditioning (HVAC) system. The thesis studies the effect of a number of building and HVAC system related design factors on the energy performance of a notional air-conditioned office building employing either a variable air volume (VAV) sy
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36

Justin, Moll Adam. "Inneklimatet på Skoklosters slott : en studie av ett klimatexperiments första år." Thesis, Uppsala universitet, Konstvetenskapliga institutionen, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-230680.

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Inneklimatet på Skoklosters slott är på vissa håll problematiskt. Mögelangrepp förekommer i somliga rum, främst sådana som är belägna i norrläge och därmed lite kallare än övriga rum. För att finna en lösning på mögelproblemen inleddes våren 2013 ett treårigt experiment vars syfte var att utröna om mögelproblemen skulle kunna undvikas med aktiv klimatstyrning, vilket inte funnits innan experimentet. Tre olika klimatstyrningsanläggningar installerades i tre rum på slottet, samtidigt som mätningar gjordes i referensrum utan aktiva åtgärder. De tre klimatstyrningsanläggnin
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37

Koutník, Martin. "Návrh teplovzdušného vytápění a větrání nízkoenergetického domku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228142.

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The diploma thesis deals with design of warm air heating and ventilating system for low energy house. Introduction of this thesis is focused on dividing residential buildings by their heat requirement. Then problems of residential building ventilation and possibilities of warm air heating systems including heat recovery are presented. In the next chapter summary of ventilating units with heat recovery and warm air heating units for residential low energy buildings and pasive family houses is presented. Calculation of low energy house heat losses, which is solved, is based on CSN 06 0210, CSN 7
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38

Bouwer, Werner. "Designing a dynamic thermal and energy system simulation scheme for cross industry applications / W. Bouwer." Thesis, North-West University, 2004. http://hdl.handle.net/10394/592.

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The South African economy, which is largely based on heavy industry such as minerals extraction and processing, is by nature very energy intensive. Based on the abundance of coal resources, electricity in South Africa remains amongst the cheapest in the world. Whilst the low electricity price has contributed towards a competitive position, it has also meant that our existing electricity supply is often taken for granted. The economic and environmental benefits of energy efficiency have been well documented. Worldwide, nations are beginning to face up to the challenge of sustainable energy - in
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39

Sylvestre, Michel J. G. "Heating and ventilation study of Inco's Creighton Mine." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30273.

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As near surface deposits are depleted, it becomes increasingly apparent that we will have to mine deeper in order to meet future world demand for metals.<br>Along with deeper mining comes its associated challenges: increased stresses and seismicity, increased heat load and increased inefficiencies due to hoisting constraints and travel time. All of these challenges, and more, contribute to safety concerns, higher initial capital costs and higher operating costs, which combined, can make deep reserves uneconomic.<br>In order to meet these challenges, we must closely examine present deep mining
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40

Sylvestre, Michel J. G. "Heating and ventilation study of Inco's Creighton Mine." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0033/MQ64249.pdf.

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41

Kuegler, Kurt W. "Heating, ventilation and air conditioning engineering and design /." Online version of thesis, 1990. http://hdl.handle.net/1850/10982.

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42

Oakley, Gareth. "A combined daylighting, passive stack ventilation and solar heating system." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251743.

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43

Mert, Cuce Ayse Pinar. "Innovative heating, cooling and ventilation technologies for low-carbon buildings." Thesis, University of Nottingham, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.716485.

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Abstract (sommario):
Sectoral energy consumption analyses clearly indicate that building sector plays a key role in global energy consumption, which is almost 40% in developed countries. Among the building services; conventional heating, ventilation and air conditioning (HVAC) systems have the greatest percentage in total energy consumption of buildings. According to the latest research, HVAC is responsible for around 40% of total building energy consumption and 16% of total global energy consumption. In this respect, decisive measures need to be taken to mitigate the energy consumption due to HVAC. The research c
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44

Wang, Bo. "Unsteady wind effects on natural ventilation." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/11653/.

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Ventilation stacks are becoming increasingly common in the design of naturally ventilated buildings. The overall aim of the work described is ultimately to improve design procedures for such buildings. This thesis presents the experimental and theoretical investigation of unsteady wind effects on natural ventilation of a single envelope with multiple openings for both wind alone, and wind and buoyancy combined cases. There are two types of openings: namely the sharp-edged orifice and the long opening (stacks being treated as long openings). Two methods are adopted: 1) direct wind tunnel measur
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45

Croxford, Ben. "An intelligent, domestic central heating controller." Thesis, University of Westminster, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359206.

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46

Tunzi, Michele. "Optimising the operation of hydronic heating systems in existing buildings for connection to low temperature district heating networks." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/38724/.

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This thesis presents a new method developed to adapt existing hydronic systems in buildings to take advantage of low temperature district heating (LTDH). The work carried out was performed by extensive use of buildings’ energy modelling, validated through recorded data. Two different case studies were investigated and the dynamic heat demand profiles, simulated for each building, were used to evaluate plate radiators connected to single and double string heating loops. The method considered an optimisation procedure, based on supply and return temperatures, to obtain the required logarithmic m
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47

Straw, Matthew Peter. "Computation and measurement of wind induced ventilation." Thesis, University of Nottingham, 2000. http://eprints.nottingham.ac.uk/10110/.

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This thesis aims to predict wind induced ventilation of a structure through the application of current analytical techniques, computational fluid dynamics simulations and novel techniques for ventilation flows induced by turbulent mechanisms. Validation of the predictions was carried out through full-scale measurements undertaken on a purpose built test structure. The structure was of cubic design with an external dimension of 6m. The construction of this full-scale research structure at Silsoe Research Institute, Bedfordshire, England, provided a unique opportunity for undertaking full-scale
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48

Tang, Dechao. "Modelling of heating and air-conditioning system." Thesis, University of Strathclyde, 1985. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21451.

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The shortage of natural resources calls for energy conservation and the changing structure of modern science and technology makes possible the efficient dynamic energy modelling. This thesis presents a general review of existing techniques in the field of building and plant system energy modelling and concentrates on the establishment of a generalised modelling tool - the control volume conservation state space approach - to cope with the developing modern technology. The theoretical basis of this approach is discussed and verified in detail and applications demonstrated to the modelling of HV
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49

Gaidukov, Vladimir A. "Multiple criteria optimisaiton of building heating systems." Thesis, De Montfort University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391425.

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Karlsson, Ejwertz Viktor. "Design of user interface for heating, ventilation and air conditioning systems." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-34806.

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Abstract (sommario):
The project was carried out at Karlstad University during the spring of 2014 as a degree project for a Degree of Bachelor of Science in Innovation and Design Engineering and consists of 22.5 ECTS. The supervisor was lecturer Lennart Wihk from Karlstad University. The examiner was professor Leo de Vin. The project was conducted for Swegon AB and dealt with developing a user interface for systems regulating climate parameters in indoor environments, such as hotel rooms or office environments. The area of focus has been on developing the user interface with regard to end users, giving it the righ
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