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Calibrated energy models are useful for commissioning building systems, measurement and verification (M&V) of building retrofit projects, and predictions of savings from energy conservation measures. This paper presents the modeling and calibration process for building energy models of a DoD (Department of Defense) building. The models are developed using EnergyPlus and TRNSYS simulation programs with measured data from an enhanced building management system (BMS) which includes an on-site weather station. The building under study is the Atlantic Fleet Drill Hall located at Naval Station Great Lakes, IL. This LEED® Gold certified building with a total floor area of 69,218 ft2 (6,431 m2) consists of a drill deck and administrative offices. Static data from as-built drawings and dynamic data from building operations are collected and analyzed to create energy models with EnergyPlus and TRNSYS. An extensive sensitivity study by systematically perturbing more than a thousand model input parameters is employed for model calibration. Those parameters that most affect the building energy end-use are selected and refined to calibrate the models. The calibration results, as well as problems encountered throughout the process from the user’s perspective, are discussed. The total facility and individualequipment electricity consumption predictions from the calibrated models closely match the measured data.
Citation: ASHRAE Conference Papers, Montreal, QC
Product Details
- Published:
- 2011
- Number of Pages:
- 8
- File Size:
- 1 file , 1.2 MB
- Product Code(s):
- D-ML-11-C043
