Chp System Data: boiler_efficiency
CHP (combined heat and power) system reference data from ASHRAE 2020 Ch.7 — CHP efficiency metrics, boiler heat recovery factors, grid electrical efficiency references, reciprocating engine sizing, exhaust pipe sizing, gas fuel line pressures, engine room ventilation, maintenance intervals, fuel cell technology comparison, theoretical steam rates, steam turbine governor classes, heat recovery temperature ranges, engine exhaust properties, and engine-driven chiller COP
| parameter type | parameter id | description | unit | value text |
|---|---|---|---|---|
| boiler_efficiency | biomass_boiler | Conventional biomass boiler heat recovery factor (alpha) | dimensionless | 0.65 |
| boiler_efficiency | direct_exhaust | Direct exhaust heat recovery factor (alpha — no boiler loss) | dimensionless | 1.0 |
| boiler_efficiency | natural_gas_boiler | Conventional natural gas boiler heat recovery factor (alpha) | dimensionless | 0.80 |
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