
热绝缘器;热绝缘体
Dust acting as a thermal insulator and impeding airflow, thereby reducing heat sink and fan performance.
除尘作为热绝缘层,阻碍气流,从而减少了散热片和风扇的性能。
The lubricant is useful in preventing sticking of the workpiece to the ***, and also acts as a thermal insulator to help reduce *** wear.
滑润剂对防止工件粘住锻模很有用,还可以作为绝热体帮助减少锻模磨损。
So, the porous absorber works as thermal insulator in a degree without solar shining. The influence of the particle size and the porosity within the porous…
多孔介质的空隙率、粒径大小对系统的采暖效果影响较大。
The investigation into the thermal cycles at different zones of a weld on HSLA steel with hardened tendency with aluminium silicate as thermal insulator are carried out completely.
对采用硅酸铝保温的淬硬倾向大的低合金高强度钢的焊接区域不同部位的焊接热循环进行了研究。
That's easy enough to do, but many newcomers misjudge how much thermal resistance is introduced by a mica insulator!
这很容易做到,但很多新人误判多少热阻是由云母绝缘介绍!
"热绝缘体(thermal insulator)"指能够显著阻碍热量传递的材料或物质。其核心原理是通过低热导率的微观结构抑制热能传导、对流和辐射。根据国家标准《GB/T 10295-2008 绝热材料稳态热阻及有关特性的测定》,理想热绝缘体需具备孔隙率高于90%、孔径小于空气分子平均自由程等特征。
常见热绝缘材料包括:
美国能源部研究显示,优质热绝缘体可使建筑能耗降低40-50%。在工业领域,根据ASME锅炉压力容器规范要求,高温管道必须使用经认证的陶瓷纤维绝缘层。当前材料科学前沿聚焦于真空绝热板(VIPs)技术,其热阻值是传统材料的5-10倍。
Thermal Insulator 的详细解释:
1. 基本定义
Thermal insulator(热绝缘体)指能够有效阻隔热量传递的物质或装置,其核心功能是减少热传导、对流和辐射。该词由"thermal"(热的)和"insulator"(绝缘体)组合而成,常见于工程、建筑和材料科学领域。
2. 核心特性
3. 相关术语扩展
4. 词源背景
"Thermal"源自希腊语"thermos"(热),而"insulator"源于拉丁语"insula"(岛屿),引申为隔绝能量的装置。两者结合后,特指隔绝热能的材料或结构。
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