Hermetic High Temperature Heating Circulator yana sanye da tankin fadadawa, kuma tankin fadadawa da tsarin kewayawa adiabatic ne.Matsakaicin thermal a cikin jirgin ruwa baya shiga cikin tsarin kewayawa, amma an haɗa shi da injin kawai.Komai matsakaicin thermal a cikin tsarin kewayawa yana da girma ko ƙasa, matsakaici a cikin tankin faɗaɗa koyaushe yana ƙasa da 60 °.
Duk tsarin shine tsarin hermetic.Tare da yawan zafin jiki, ba zai haifar da hazo mai ba;tare da ƙananan zafin jiki, ba zai sha danshi a cikin iska ba.A cikin babban aiki na zafin jiki, matsa lamba na tsarin ba zai tashi ba, kuma a cikin ƙananan zafin jiki, tsarin za a kara yawan matsakaici na thermal ta atomatik.