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Showing 1 to 20 of 53 for “"Heating, Ventilation, and Air Conditioning (HVAC)"”.
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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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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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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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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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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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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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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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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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Acoustic characteristics of fiberglass-lined circular ducts
… single-wall. They have been acoustically treated and are intended to be used in heating, ventilation and air conditioning (HVAC) duct systems to reduce the amount of sound that is generated by the operation of the components of the system; To quantify the amount of the sound energy that can be …
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Improved braze joint quality through use of enhanced surface technologies
Heating, ventilation and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort with the goal to provide thermal comfort and acceptable indoor air quality. The US HVAC market is currently worth $57 billion and refrigerant leakage is one of the major causes for …
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Applied change of mean detection techniques for HVAC fault detection and diagnosis and power monitoring
… used with a second application, fault detection and diagnosis in building heating ventilation and air-conditioning (HVAC) systems. The method developed here analyzes the transient behavior of HVAC sensors to define conditions of correct operation of a computer simulated constant air volume HVAC …
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Improving energy efficiency in a pharmaceutical manufacturing environment -- production facility
… energy efficiency in both its office buildings and production facilities. Heating, Ventilation and Air-Conditioning (HVAC) system was identified to be the major energy consumer in the plant. An HVAC specific energy management tool was developed to monitor the energy efficiency and calculate the …
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Data-driven models to evaluate root causes of energy performance gaps in office buildings
… building designs with efficient envelopes, and Heating, Ventilation and Air Conditioning (HVAC) systems utilizing energy modeling tools with forecasted occupancy, plug load, and operational profiles as inputs. Their expected performance is often not met due to discrepancies between modeled …
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Addressing the problem with natural ventilation : producing a guide for designers to integrate natural ventilation into the early stages of building design
… project is to explore substitutes to mechanical heating, ventilation, and air conditioning (HVAC) building systems. My project revisits the concept of natural ventilation and explores and evaluates its feasibility as an energy-saving and comfortable alternative to mechanical ventilation systems. …
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Shipboard Fault Detection, Marine Micro-Grid Power Diagnostics and Vessel Ventilation Monitoring
… based maintenance, fault detection & diagnostics and energy scorekeeping through numerous installations on various Navy and Coast Guard vessels throughout the last several decades. Using equipment power transients to identify particular equipment operation, and tracking these transients enables a …
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Creating space for HVAC systems: A new, intuition-building approach to HVAC system integration in architectural education and practice
Heating, Ventilation, and Air Conditioning (HVAC) systems are vital to ensuring a healthy indoor environment in buildings. They are essential to the global shift toward a decarbonized, all-electric future. While integrated design practice has promised cost, energy, and space savings due to earlier …
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