It has high mechanical strength, toughness, good heat resistance and high thermalintensity, low shrinkage, good curing characteristics.
它具有机械强度高、韧性好、耐热性好及高的热强度、低收缩性、固化性好等特点。
2
The results show that the closed finned tube is much more excellent than the opening finned tube on gross heat, heat of unit volume and metal thermalintensity with the same geometric parameters.
As a result, heat dissipating capacity, metal thermalintensity and free convection heat transfer coefficient of the longitudinal closed finned tube are higher than those of the open finned tube.