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- Equivalence_of_direct_radiation abstract "Equivalence of direct radiation (EDR) is a standardized comparison method for estimating the output ability of space-heating radiators and convectors.Measured in square feet, the reference standard for EDR is the mattress radiator invented by Stephen J. Gold in the mid 19th century.One square foot of EDR is able to liberate 240 BTU per hour when surrounded by 70 °F (21 °C) air and filled with steam of approximately 215 °F (102 °C) temperature and 1 psi of pressure.EDR was originally a measure of the actual surface area of radiators. As radiator (and later convector) design became more complicated and compact, the relationship of actual surface area to EDR became arbitrary. Laboratory methods based on the condensation of steam allowed for very accurate measurements.While now somewhat archaic, EDR is still computed and used for sizing steam boilers and radiators, and for modifying and troubleshooting older heating systems using steam or hot water. However, In a hot water system, one square foot of EDR is able to liberate 170 BTU per hour, depending on the temperature of the water.".
- Equivalence_of_direct_radiation wikiPageID "3687862".
- Equivalence_of_direct_radiation wikiPageLength "1904".
- Equivalence_of_direct_radiation wikiPageOutDegree "12".
- Equivalence_of_direct_radiation wikiPageRevisionID "687173689".
- Equivalence_of_direct_radiation wikiPageWikiLink Boiler.
- Equivalence_of_direct_radiation wikiPageWikiLink British_thermal_unit.
- Equivalence_of_direct_radiation wikiPageWikiLink Category:Electromagnetic_radiation.
- Equivalence_of_direct_radiation wikiPageWikiLink Category:Heat_transfer.
- Equivalence_of_direct_radiation wikiPageWikiLink Category:Heating.
- Equivalence_of_direct_radiation wikiPageWikiLink Condensation.
- Equivalence_of_direct_radiation wikiPageWikiLink Convection_heater.
- Equivalence_of_direct_radiation wikiPageWikiLink Pounds_per_square_inch.
- Equivalence_of_direct_radiation wikiPageWikiLink Radiator.
- Equivalence_of_direct_radiation wikiPageWikiLink Radiator_(heating).
- Equivalence_of_direct_radiation wikiPageWikiLink Steam.
- Equivalence_of_direct_radiation wikiPageWikiLinkText "Equivalence of direct radiation".
- Equivalence_of_direct_radiation wikiPageUsesTemplate Template:Cite_book.
- Equivalence_of_direct_radiation wikiPageUsesTemplate Template:Convert.
- Equivalence_of_direct_radiation wikiPageUsesTemplate Template:Reflist.
- Equivalence_of_direct_radiation subject Category:Electromagnetic_radiation.
- Equivalence_of_direct_radiation subject Category:Heat_transfer.
- Equivalence_of_direct_radiation subject Category:Heating.
- Equivalence_of_direct_radiation hypernym Method.
- Equivalence_of_direct_radiation type Software.
- Equivalence_of_direct_radiation type Electrodynamic.
- Equivalence_of_direct_radiation type Redirect.
- Equivalence_of_direct_radiation comment "Equivalence of direct radiation (EDR) is a standardized comparison method for estimating the output ability of space-heating radiators and convectors.Measured in square feet, the reference standard for EDR is the mattress radiator invented by Stephen J.".
- Equivalence_of_direct_radiation label "Equivalence of direct radiation".
- Equivalence_of_direct_radiation sameAs Q5384709.
- Equivalence_of_direct_radiation sameAs m.09vhk9.
- Equivalence_of_direct_radiation sameAs Q5384709.
- Equivalence_of_direct_radiation wasDerivedFrom Equivalence_of_direct_radiation?oldid=687173689.
- Equivalence_of_direct_radiation isPrimaryTopicOf Equivalence_of_direct_radiation.