When power is 20w , working substance is r123 , the surface temperature is below 35 ; when power is 200w , the surface temperature of electron compound is below 70 , the total thermal resistance is 0 . 285 / w , which exhibits this compound heat pipe great applicability for long - range heat power 當(dāng)熱流量為20w小發(fā)熱量時,工質(zhì)使用r123 ,可以使電子器件的表面溫度控制在35以下;在熱流量達(dá)到200w的時候,使電子器件的表面溫度控制在70以下,總熱阻為0 . 285 / w ,表現(xiàn)了該熱管散熱器對大范圍熱流量很好的適用性。