The TRNSYS library includes many of the components commonly found in thermal and electrical energy systems, as well as component routines to handle input of weather data or other time-dependent forcing functions and output of simulation results. It recognizes a system description language in which the user specifies the components that constitute the system and the manner in which they are connected. TRNSYS is a transient systems simulation program with a modular structure.
Department of Energy Building America program goal to develop market-ready energy solutions for new and existing homes. Identifies multiple near-optimal designs along the path, allowing for equivalent solutions based on builder or contractor preference.īEopt has been developed by the National Renewable Energy Laboratory in support of the U.Finds minimum-cost building designs at different target energy-savings levels,.The sequential search optimization technique used by BEopt:
Simulation assumptions are based on the Building America House Simulation Protocols. BEopt uses existing, established simulation engines (currently DOE2.2 or EnergyPlus). Discrete envelope and equipment options, reflecting realistic construction materials and practices, are evaluated. BEopt can be used to analyze both new construction and existing home retrofits, through evaluation of single building designs, parametric sweeps, and cost-based optimizations.īEopt provides detailed simulation-based analysis based on specific house characteristics, such as size, architecture, occupancy, vintage, location, and utility rates.
COMPARISON BETWEEN TRNSYS AND EQUEST AND ATHENA SOFTWARE
The BEopt™ (Building Energy Optimization) software provides capabilities to evaluate residential building designs and identify cost-optimal efficiency packages at various levels of whole-house energy savings along the path to zero net energy.
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