什么是EMB应该是建筑节能里面的
Inprinciple,anEMBisanapproachusedtounderstandtheefficiencyofenergyconversionandhowotherinputsareusedtodelivergoodsandservices。 Technicalunderpinning ,andasystematicaccountingforenergyflowsandtransformationsinasystem。Thetheoreticalbasisfortheenergybalanceisthefirstlawofthermodynamics,whichstatesth...全部
Inprinciple,anEMBisanapproachusedtounderstandtheefficiencyofenergyconversionandhowotherinputsareusedtodelivergoodsandservices。
Technicalunderpinning ,andasystematicaccountingforenergyflowsandtransformationsinasystem。Thetheoreticalbasisfortheenergybalanceisthefirstlawofthermodynamics,whichstatesthat‘energycannotbecreatedordestroyed,onlymodifiedinform’。
Contrarytomassbalances,asystemcanonlyhaveoneenergybalancethatdescribesit,sincedifferenttypesofenergyareconsidered,mathematically,tobeinterchangeable。
Specifically,thechangeinenergyforasystemequalstheheattransferredintothesystemminustheworkdonebythesystemplusthenetenergyinputassociatedwithmassflows。
Massflowscarryenthalpy,kineticandpotentialenergies。收起
