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.
Results
Showing 1 to 20 of 51 for “"EnergyPlus"”.
-
EnergyPlus Simulation of Single-Coil Twin-Fan Air Conditioning System
… to establish the current state of the art. EnergyPlus was the simulation software chosen and two main modifications were made to the source code: decoupling of the ventilation air stream to the zone level and creation of a new dual duct terminal unit to control the separate air streams. An …
-
Performance comparison of U.K. low-energy cooling systems by energy simulation
… design of a building and its mechanical systems. EnergyPlus is a new energy simulation program meant to be a major advance over existing energy simulation programs. This study uses EnergyPlus to compare several alternative low-energy cooling systems for an office building in suburban London and …
-
An innovative fault analysis framework to enhance building operations
… building energy performance simulation (i.e., EnergyPlus). The primary objective of this study is to rank the fault based on impacts in terms of building energy consumptions and/or occupant thermal comfort under multiple faults. To achieve this goal, an extensible fault model library was …
-
The Impact of COVID-19 on Building Energy Consumption in New York City
… Python, Excel etc. For my stimulations on EnergyPlus, I could not get data for NYC, but I had to use data retrieved in Chicago, Illinois which is relatively close to that of NYC. I was able to give my prediction and recommendations based on the correlation that was obtained from the …
-
Configuration and Operating Condition Design Analysis of SOFC Systems for Building Applications
… the incorporation of the stand-alone model into EnergyPlus building simulation program.
-
Active participation of buildings in the power sector : the case of small office buildings
… thermal response model is formulated and fit to EnergyPlus simulation data from a Department of Energy Small Office Reference Commercial Building for the months of June, July and August. When validated and tested against EnergyPlus simulation data, the thermal response model performs well. The …
-
Comparação entre resultados experimentais e computacionais do comportamento térmico de um ambiente
… computacionais, obtidos através do "software" EnergyPlus e experimentais do comportamento térmico de um ambiente condicionado e não condicionado. Para tanto, monitoraram-se os dados climáticos de radiação, velocidade do vento e temperatura, no período de 11 a 20 de janeiro de 2002 e produziu-se …
-
Champs-Multizone and Virtual Building for Integrated Building Systems Design and Performance Evaluation
… a three zones building test and comparision with EnergyPlus calculation results. The Virtual Building is a digital representation of the physical building with a hierarchical data structure, containing both static data such as enclosure assemblies, internal layout, etc. and dynamic data such as …
-
Impact of Thermally Activated Building Systems (TABS) in Office Buildings
… was modelled, and the heat load was simulated in EnergyPlus to determine the cooling needed to achieve thermal comfort. The cooling required was used as input into a modified TABS calculator, derived from the calculator given in ISO 11855, to predict the energy usage of the chiller. The …
-
Simulation and Analysis of Energy Consumption for Two Complex and Energy intensive Buildings on UMD Campus
… building energy models were developed in EnergyPlus and OpenStudio that sought to mimic current operations of the buildings. PSC model results deviated respectively -1.05%, 1.19%, and 5.27% for electricity, steam, and chilled water. ERC model results deviated respectively 0.47%, 5.3%, and …
-
Optimization of residential buildings and renewable energy integration in small island developing states: the Bahamas as a case study
… achieve the sustainability goals in the country. EnergyPlus and jEPlus+EA provide the platform for this study, implementing the non-dominated sorting genetic algorithm II (NSGA-II) for optimization. Optimal solutions are compared to a building model developed from audited data. The results …
-
Simulation and Analysis of Energy Consumption for an Energy-Intensive Academic Research Building
… and a detailed energy model was developed using EnergyPlus to mimic current operation. The baseline energy model was then used to simulate eight energy efficiency measures for a combined energy savings of 16,760 MMBtu, reducing annual energy use by 25.3%. The simple payback period for the …
-
An occupant-centric assessment of the building performance gap in low utilisation, higher education facilities
… in utilisation when mapped to zones in EnergyPlus can profoundly affect how a simulated building behaves. These changes to simulated behaviour can redefine the retrofit solution space. Without strict heating management through registration of periods of nonzero density presence to a …
-
Exploring Energy, Comfort, and Building Health Impacts of Deep Setback and Normal Occupancy Smart Thermostat Implementation
… within the Openstudio graphics interface to the EnergyPlus building modeling engine. Results indicate smart thermostats add the most value to winter deep setback conditions while complying with ASHRAE 90.2. Major potential humidity issues were identified when complying with ASHRAE 90.2 during …
-
Air leakage of Insulated Concrete Form houses
… specific ICF houses in Nashville, TN. Using an EnergyPlus building model, the difference in air leakage between a typical ICF and wood-stud house in Chicago and Phoenix is not found to cause a significant gap in energy use. However, the range in air leakage does affect the amount of energy a …
-
C L I M A + : an early design natural ventilation prediction method
… where quick, single-zone simulations are run in EnergyPlus. The ventilation cooling potential for a site and a building program is calculated using a series of Python scripts.
-
Optimization of energy parameters in buildings
… in a space. Both buildings are modeled using EnergyPlus, and analyzed using VBA in Excel. The Genetic Algorithm Optimization Toolbox (GAOT) is used to optimize the parameters for the solar house. The program was run for 150 generations, with there being 20 individuals in each population. The …
-
INDOOR ENVIRONMENTAL QUALITY (IEQ) AND BUILDING ENERGY OPTIMIZATION THROUGH MODEL PREDICTIVE CONTROL (MPC)
… by whole building performance simulation tool, EnergyPlus. A co-simulation strategy is used to communicate the MPC control developed in Matlab platform with the case building model in EnergyPlus. The co-simulation tool used (MLE+) also has the ability to talk to actual building management …
-
Assessing methods for predicting retrofit energy savings in buildings : case study of a Norwegian school
… consumption in the school is simulated with the EnergyPlus computer software and calibrated against measured utility data. Two simulation calibration techniques are investigated: manual calibration and Latin Hypercube Monte Carlo (LHMC) analysis. LHMC is a statistical technique for calibrating …
-
Study of the Effect of Light Emitting Diode (LED) on the Optimum Window-to-Wall Ratio and Whole-Building Energy Consumption in Open Offices
… of tools including AGi32, ElumTools, OpenStudio, EnergyPlus, Radiance, and MATLAB helps to conduct the simulation and deliver optimal results. In the results and conclusion chapter, the study provides guidelines to specify optimal window percentages considering two lighting systems in each …
Page 1 of 3