Progetto SIMEA - Automatica - Università degli Studi di Padova

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SIMEA Stato dell’arte energetica degli edifici 1.2.26. ENERPASS 52 Doc.No 20100610.SIMEA.MR.03 Versione 1 Detailed building energy simulation program for residential and smaller commercial buildings. ENERPASS calculates the annual energy use for space heating, cooling, lighting, water heating and fan energy. The calculations are performed on an hourly basis using hourly measured weather data. ENERPASS can model up to seven building zones and provides hourly temperature and humidity predictions for each zone. A wide range of HVAC systems can be modelled including make-up air units, heat recovery ventilators, rooftop units, VAV, four-pipe fan coil, and dual duct. The program uses full screen data entry in an easy-to-use format. A typical building model can be generated in one to two hours. In IEA validation studies ENERPASS results compare favourably with other hourly based computer programs. 1.2.26.1. Expertise Required A general understanding of building construction is required. 1.2.26.2. Users Hundreds of builders, architects and researchers primarily in North America. 1.2.26.3. Audience Building designers and specifiers can use ENERPASS to design more energy efficient buildings. 1.2.26.4. Input Users must enter areas and R-values of walls, windows, etc and the characteristics of the HVAC and lighting systems. The program includes libraries of standard construction assemblies and equipment. 1.2.26.5. Output Annual energy use and cost; includes histograms of temperature, humidity and light levels. Hourly results can also be displayed. 1.2.26.6. Computer Platform PC-compatible 386 or higher, DOS, Windows 3.1 or 95. 1.2.26.7. Programming Language C and FORTRAN 1.2.26.8. Strengths Easy and quick data entry. Hourly calculation of results. 1.2.26.9. Weaknesses The program is limited to seven zones and cannot handle large complex buildings such as hospitals.
SIMEA Stato dell’arte energetica degli edifici 1.2.27. eQUEST 53 Doc.No 20100610.SIMEA.MR.03 Versione 1 eQUEST is an easy to use building energy use analysis tool which provides professional-level results with an affordable level of effort. This is accomplished by combining a building creation wizard, an energy efficiency measure (EEM) wizard and a graphical results display module with an enhanced DOE-2.2-derived building energy use simulation program. eQUEST features a building creation wizard that walks you through the process of creating an effective building energy model. This involves following a series of steps that help you describe the features of your design that would impact energy use, such as architectural design, HVAC equipment, building type and size, floor plan layout, construction materials, area usage and occupancy, and lighting system. After compiling a building description, eQUEST produces a detailed simulation of your building, as well as an estimate of how much energy it would use. Although these results are generated quickly, this software utilizes the full capabilities of DOE- 2.2. Within eQUEST, DOE-2.2 performs an hourly simulation of your building design for a one-year period. It calculates heating or cooling loads for each hour of the year, based on the factors such as: walls, windows, glass, people, plug loads, and ventilation. DOE-2.2 also simulates the performance of fans, pumps, chillers, boilers, and other energy-consuming devices. During the simulation, DOE-2.2 also tabulates your building's projected energy use for various end uses. eQUEST offers several graphical formats for viewing simulation results. For instance, graphing the simulated overall building energy on an annual or monthly basis or comparing the performance of alternative building designs. In addition, eQUEST allows you to perform multiple simulations and view the alternative results in side-by-side graphics. It offers energy cost estimating, daylighting and lighting system control, and automatic implementation of common energy efficiency measures (by selecting preferred measures from a list). In the latest versions, a three-dimensional view of the building geometry is available as well as HVAC system diagrams. 1.2.27.1. Validation/Testing eQUEST has been tested according to ASHRAE Standard 140. 1.2.27.2. Expertise Required For wizard-based use, virtually no experience with energy analysis is necessary. To use eQUEST's Detailed Interface, however, knowledge of building technology is required. Experience with other energy analysis simulation tools, especially DOE-2 based tools, is helpful. 1.2.27.3. Users eQUEST is one of the most widely used building energy simulation programs in the United States. The number of full program downloads averages approximately 10,000 annually. 1.2.27.4. Audience The primary audience consists of building designers, operators, owners, and energy/LEED consultants. eQUEST is also widely used by regulatory professionals, universities, and researchers. 1.2.27.5. Input Inputs can be provided at three levels: schematic design wizard, design development wizard, and detailed (DOE-2) interface. In the wizards, ALL inputs have defaults.
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Progetto SIMEA - Automatica - Università degli Studi di Padova

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