Global ETD Search
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 43 for “"Cooling Load"”.
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A study of factors affecting the cooling load for air conditioning
Thesis: M.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1935
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The effect of various types of building roof materials on the cooling load
… various types of building roof materials on the cooling load. This study involved in selecting a particular building type (factory building) and the effect of the cooling load by using a various metal deck roofing with and without insulation. Case study in this project is a simple factory …
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Improving energy efficiency in a pharmaceutical manufacturing environment : analysis of EUI and cooling load
… monitor the energy efficiency and calculate the cooling load. After analyzing the Energy Utilization Index (EUI) and cooling load, the Heating, Ventilation and Air-Conditioning (HVAC) system is identified as the major energy consumer in the plant. The AHU operation schedule in the office building …
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Validation of a Simplified Building Cooling Load Model Using a Complex Computer Simulation Model
… has become a useful tool for predicting cooling, heating and electrical loads for facilities. Simulation models have been validated throughout the years by comparing simulation results to actual measured values. The simulations have become more accurate as approaches were changed to be …
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Development and Demonstration of Surrogate Models to Predict Energy-Related Building Features from Heating and Cooling Load Signature
… features from widely available heating and cooling load data. The research explores two methodologies: 1) unsupervised learning with clustering to group energy-related features, and 2) supervised learning using artificial neural networks (ANNs) to predict these features. Both methods utilize …
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Incorporation of energy performance data in the design process : heating and cooling load estimation and analysis in a computerized space allocation procedure
Thesis. 1977. M.Arch.--Massachusetts Institute of Technology. Dept. of Architecture.
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Determination of building cooling loads using real weather data.
… that were encountered using the well-established cooling load method. For instance, cooling load calculations of a building are dependent on the external dynamic environmental factors. The load on the building is also affected by the internal dynamic environmental factors, in addition to the …
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Energy Saving Potential in Hot and Dry Climate by Adjusting Building Fabrications and Application of Dew Point Cooler
… energy consumption through the use of advanced cooling systems of residential buildings in Kurdistan (Northern Iraq). The objectives are achieved by applying a set of building interventions to existing building fabrications to act as a guide for new residential buildings, and by replacing …
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Assessment of the Impact of Climate Change on the Performance of Residential Buildings in New Zealand
… climate change scenarios on the heating and cooling requirements of residential buildings across different regions in New Zealand. The study compared the effect of changes in building codes on the energy consumption of residential buildings in future years, based on the New Zealand building …
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Economic and design analysis of daylighting a commercial tower in a hot and humid climate
… methods are outlined and results illustrated, A cooling load comparison is done to determine the economic feasibility of such a strategy. It was found that the smaller cooling plant and greater perimeter office space could offset the increased building expense. Energy savings were also …
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Potential energy cost savings by use of building roofs as thermal storage of a multi-storied building
… used for more than two decades to shift the peak cooling load occurring during the day time to evening or night time. This is typically accomplished by use of concrete slabs embedded with pipes carrying hot or chilled water to meet the heating or cooling load, respectively. The water temperature …
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A novel approach to determine building occupancy for cooling energy consumption prediction
Building cooling load prediction is one of the key elements in the energy conservation achievements. Most of the mathematical models using in the industry nowadays include forward and inverse modeling approaches. However, these models consume much computer resources and require a longer …
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Development of a Model and Optimal Control Strategy for the Cal Poly Central Plant and Thermal Energy Storage System
… which are comprised of pumps, chillers, cooling towers, and a thermal energy storage tank. The model is calibrated to the actual measured performance of the plant using the current control strategy as a baseline. By observing and quantifying areas for potential improvement in plant …
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Analysis of energy use and carbon emissions from automobile manufacturing
… of components has been harder to prove. Base load energy use continues to be a high fraction of energy use at manufacturing facilities. We study the energy use and emissions reported by automobile companies in voluntary disclosures to the Carbon Disclosure Project (CDP), and in their …
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Thermal Performance Comparison of Three Integrated Thermal Solar Roof Collectors
… can be met by this integrated system. In the cooling season, cooling load reduction and preheating domestic hot water can be achieved by operating this system. The traditional solar thermal system is an add-on system rather than integrated, which increases the cost-benefit ratio. The current …
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The effect of atrium configurations on energy usage in high-rise office buildings in semi-arid climate of Tehran
… the potential to naturally provide heating and cooling, as well as adequate daylight, in arid and temperate climates. Moreover, a naturally ventilated atrium has also proven to be a useful environmental feature in tall building design (Moosavi et al., 2014; Salib & Wood, 2013; Sharples & …
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Analysis of a Trigeneration System Through Transient Simulations
… days. This model is then applied to an entire cooling season to show the primary energy usage of a trigeneration system using an adsorption chiller to meet the cooling load. These results can then be compared to the primary energy usage of a residence with a traditional grid-powered Vapor …
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Comparative study of advanced heat pumps
… accounts for both thermal resistance and cooling load. An outside temperature ranging between 35{dollar}\sp\circ{dollar}C and 46{dollar}\sp\circ{dollar}C is considered in the calculations, with a cooled space temperature of 22{dollar}\sp\circ{dollar}C assumed throughout. Evaluations of the …
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Development of an Occupant-centric Control Algorithm for Mixed-Mode Ventilation Buildings to Regulate Window Operations
… window operations could increase the heating load up to 21% and cooling load by 33% relative to identical buildings with fixed windows in a cold climate.
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An analysis of annual environmental conditions and heat gains, and theoretical assessment of approaches to improve summer thermal comfort, of the Energy Research Centre at the University of Cape Town
… a simple solution would be to install an active cooling system, first consideration should be given to the deployment of preventative cooling measures and retrofits. By these means, the costs of an active cooling system would be reduced, as well as the building's relative increase in energy …
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