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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 69 for “"Heating ventilation and air-conditioning"”.
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Analysis of acoustics in heating, ventilation and air conditioning systems
The analysis of acoustics in heating, ventilation and air conditioning systems is presented. The objective of this ASHRAE funded (ASHRAE TRP 556) project was to present the HVAC designer with a set of algorithms for determining the acoustical characteristics of heating, ventilation and air …
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Heating, ventilation, and air conditioning for a superinsulated solar house
… to reduce the energy consumption of a building and specifically a residential building. The Solar Decathlon competition promoted by the Department of Energy and the National Renewable Energy Laboratory force twenty university teams to find as many ways as possible to reduce energy consumption of …
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Prediction of performance criteria for passive heating ventilation and air conditioning silencers
Unwanted noise is generated by the operation of heating, ventilation, and air conditioning (HVAC) systems in large buildings. The unwanted noise can be reduced by installing a passive silencer in the HVAC system. The ability to predict the performance criteria (insertion loss, regenerated sound …
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Real Time Diagnostic Expert System for Heating Ventilation and Air Conditioning on a Microcomputer
Made available in DSpace on 2017-07-06T18:49:09Z (GMT). No. of bitstreams: 3 Lagrou_Jerry_M_MS.pdf: 56802497 bytes, checksum: fb1cf09c3d6d425368ed22db8ea54929 (MD5) Lagrou_Jerry_M_MS_ABS.pdf: 664738 bytes, checksum: adfc1b7cabe314aab6cd5f7dcb73a2a0 (MD5) license.txt: 4813 bytes, checksum: …
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Diagnostics in Heating Ventilation and Air Conditioning (HVAC) Systems Using a Rule - Based System
Made available in DSpace on 2017-07-06T18:48:40Z (GMT). No. of bitstreams: 3 Huffer_Jason_E_MS.pdf: 108923499 bytes, checksum: 7598e8c1dda5e1140205024a946c302c (MD5) Huffer_Jason_E_MS_ABS.pdf: 488205 bytes, checksum: 0aa43d14872ee7d9e46c91b8c5d20bee (MD5) license.txt: 4813 bytes, checksum: …
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The energy effects of occupant controlled heating, ventilation and air conditioning systems in office buildings
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Investigation of High Surface Air-to-Phase-Change-Material Heat Exchangers for the Heating, Ventilation, and Air-Conditioning Industry
… the balancing act between conventional and renewable energy pro- duction has led to rapid demand spikes for greenhouse gas-emitting power generation sources at specific times of the day. These demand spikes can be combated by utilizing energy storage to store excess renewable energy …
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Simulation- and Experiment-Based Setpoint Control for Heating, Ventilation, and Air-Conditioning Systems: A Single- and Multi-Objective Optimization Problem
Buildings and building construction sectors are together responsible for 40% of global energy consumption, 70% of electricity consumption, and 40% of carbon emission. Heating, ventilation, and air-conditioning systems (HVAC) in residential and commercial units account for 40% to 60% of energy …
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Business reasons for utilizing renewable energy applications in facilities to assist in extending the life of the heating ventilation and air conditioning systems
… in buildings to help extend the life of the heating, ventilation and air conditioning (HVAC) systems. It is designed to focus on gleaning information from the United States and China. These two countries differ politically, socially, economically and culturally. In history, trading and other …
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Meta-modeling and Optimization of Computational Fluid Dynamics (CFD) analysis in thermal comfort for energy-efficient Chilled Beams-based Heating, Ventilation and Air-Conditioning (HVAC) systems
With the rapid rise in the use of air conditioning systems and technological advancements, there is an ever-increasing need for optimizing the HVAC systems for energy efficiency while maintaining adequate occupant thermal comfort. HVAC systems in buildings alone contribute to almost 15% of the …
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Local energy management through mathematical modeling and optimization
… Extensions to the core TOTEM model include a demand charge model, used for making daily optimal control decisions when the electric bill includes a charge based on the monthly maximum power draw. The problem of heating, ventilation, and air conditioning (HVAC) control is treated separately since …
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Development of an integrated building energy simulation with optimal central plant control
… building energy analysis programs is to assist heating, ventilation, and air conditioning (HVAC) engineers in the design process and to help researchers develop more effective and efficient methods of controlling a building's environment. One such program is BLAST (Building Loads Analysis and …
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Optically transparent, thermally insulating and soundproofing (OTTIS) aerogel for high-efficiency window applications
Building heating, ventilation and air conditioning (HVAC) accounts for about 13.6 quadrillion BTU ("quads") per year or 14% of the total energy consumption in the United States.' Accounting for 39% of annual US carbon dioxide emissions, this consumption is directly related to the energy efficiency …
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Thermal and hydraulic analysis of the adsorption bed of the adsorptive thermal battery
… to increase the drive range of EVs, replacing heating, ventilation and air conditioning (HVAC) system with a novel absorbent system of materials and methods is widely investigated. This work focuses on the analysis of the design of such a system to suggest efficiency improvements. The thermal …
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Improving energy efficiency in a pharmaceutical manufacturing environment -- office building
… in a pharmaceutical manufacturing environment and maintaining the comfort of employees is of critical important in maintaining the financial viability and competence of the company. Heating, Ventilation and Air Conditioning (HVAC) system was identified as the major energy consumer in both …
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The robotic fac̦ade : a design solution for energy conservation in the CityHome of the future
… be used to simplify both the construction and operation of an apartment in an urban setting. Additionally, this fagade module has been conceptualized as a way to improve energy performance, making it the energy hub of the home, and housing the majority of the heating, ventilation, and …
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Improving energy efficiency in a pharmaceutical manufacturing environment : analysis of EUI and cooling load
… without compromising the quality of products and the comfort of occupants is important in maintaining the competence of a pharmaceutical company. An energy management tool is developed to monitor the energy efficiency and calculate the cooling load. After analyzing the Energy Utilization Index …
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Optimization of energy parameters in buildings
… decrease or completely eliminate the need for Heating, Ventilation and Air Conditioning systems, and thus, optimizing building parameters could help conserve a great amount of energy. This work focuses on two buildings - a passive solar house and an apartment in Beijing. The Beijing apartment …
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Small-scale Advanced Thermo-Adsorptive Battery prototype
… system with the capacity to replace the heating, ventilation and air-conditioning (HVAC) system in an electric vehicle. This Advanced Thermo-Adsorptive Battery (ATB) system uses novel adsorbent materials and methods of optimizing transport properties, without which the desired energy and …
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