GridLAB-D Technical Support Document: Residential Equivalent Thermal Parameter Model
Hinkle, Laura E., Goodman, Carolyn D., Pratt, Robert G. · 2025
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Description
Pacific Northwest National Laboratory technical support document, by Laura Hinkle, Carolyn Goodman, and Robert Pratt, dated September 2025, explains the house model inside the GridLAB-D grid simulator. The model, called the equivalent thermal parameter model, treats a house as two linked heat stores: indoor air and the building's mass. Planners use thousands of these houses to test how home heating and cooling loads bend under price or control signals.
Chapters derive the model's second-order equation in closed form, set its boundary conditions, and rewrite it in state-space form for the simulator. Parameter definitions then cover house geometry, envelope insulation values for walls, ceiling, floor, windows, and doors, thermal mass, and heating and cooling system design. One formula sums each surface's area divided by its resistance, plus air leakage, into a single loss coefficient. The document is the reference behind the simulator's residential load numbers.
Catalog record
| CREATOR | Hinkle, Laura E., Goodman, Carolyn D., Pratt, Robert G. |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 52 KB |
| LICENSE | Public Domain |
| RIGHTS | PUBLIC DOMAIN |
| SOURCE | DOE OSTI |