NBS Building Science Series, Volume 79The Bureau, 1974 - Building |
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Common terms and phrases
20 F degree approximately boiler operation boiler or boilers Bureau of Standards calorimetric method circulating water CO₂ concept of boiler curves for systems cycling boiler Devonshire School building efficiency tests efficiency versus heating efficiency versus load equation error F degree temperature Figure flow rate flue gas temperature foot of gas gas at standard gas meter heating load curves Heating systems installed higher heating value hot water hydronic idle modules inches of Mercury Legal Aids building loss due maximum heating load measured modular boiler installation modular concept modular installation National Bureau Natural Gas Nomograph oversizing potentiometer primary pumping primary-secondary pumping Qout result seasonal efficiency secondary valving simulated single boiler system single large boiler sling psychrometer standard conditions standard cubic foot steady state test supply and return supply temperature system with primary system with secondary test setup testing period thermocouple thermopile versus heating load versus load curves wet bulb temperature