C046 — Empirical Validation of Whole Building Energy Simulation Program under Free-Floating Conditions (C046)

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This paper presents one of the ongoing EnergyPlus validation efforts using a low-load residential single family home: the Net-Zero Energy Residential Test Facility (NZERTF) located on the campus of NIST in Gaithersburg, MD, USA. This paper presents the preliminary results of a free-floating test during the heating season when the HVAC system stayed OFF for one week. The EnergyPlus model of the NZERTF was first created based on as-built drawings and then refined to properly reflect the test conditions. Highlights of this work include the use of advanced interzonal and infiltration airflow calculations using CONTAM airflow program and a comparison of two ground heat transfer models to improve the EnergyPlus model.

Product Details

Published:

2022

Number of Pages:

8

Units of Measure:

Dual

File Size:

1 file , 1.7 MB

Product Code(s):

D-BCS22-C046

Note:

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