Abstract
Phase change materials (PCM) represent a potential technology to reduce peak loads and HVAC energy consumption in residential buildings. This paper summarizes NREL efforts to obtain accurate energy simulations when PCMs are modeled in residential buildings: the overall methodology to verify and validate Conduction Finite Difference (CondFD) and PCM algorithms in EnergyPlus is presented in thisstudy. It also shows preliminary results of three residential building enclosure technologies containing PCM: PCM-enhanced insulation, PCM impregnated drywall and thin PCM layers. The results are compared based on predicted peak reduction and energy savings using two algorithms in EnergyPlus: the PCM and Conduction Finite Difference (CondFD) algorithms.
| Original language | American English |
|---|---|
| Number of pages | 10 |
| State | Published - 2012 |
| Event | 2012 ASHRAE Annual Conference - San Antonio, Texas, United States Duration: 23 Jun 2012 → 27 Jun 2012 |
Conference
| Conference | 2012 ASHRAE Annual Conference |
|---|---|
| Country/Territory | United States |
| City | San Antonio, Texas |
| Period | 23/06/12 → 27/06/12 |
NLR Publication Number
- NREL/CP-5500-54015
Keywords
- conduction finite difference (CondFD)
- EnergyPlus
- HVAC energy consumption
- PCM algorithms
- reduce peak loads
- residential building envelope
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