As a result, heat dissipating capacity, metal thermal intensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.
结果表明，封闭式纵向翅片管的散热量、金属热强度以及自然对流换热系数都要高于开放式翅片管。
Both transversal pitch and longitudinal pitch influence the heat transfer of longitudinally finned tube Banks to the same degree.
而横向节距和纵向节距对换热的影响程度基本相同。
Both transversal pitch and longitudinal pitch influence the heat transfer of longitudinally finned tube Banks to the same degree.
而横向节距和纵向节距对换热的影响程度基本相同。
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