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thermal load meaning, thermal load definition | English Cobuild dictionary. thermal. 1 adj Thermal means relating to or caused by heat or by changes in temperature. ...thermal power stations. 2 adj Thermal streams or baths contain water which is naturally hot or warm. Volcanic activity has created thermal springs and boiling mud pools.
RthSink = Thermal resistance of the heat sink [K/W]. Î´T = Temperature difference between the heat sink and the ambient air temperature [K]. P = Heat load to be absorbed [W]. The heat load P has to be assumed as heat load of the object plus heat load of the Peltier element due to losses.. The heat sink absorbs the heat load at the warm side of the Peltier element and dissipates it to the surrounding air. The heat sink has to be large enough, so that its temperature doesn't get too high.