说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 质量比热
1)  mass specific heat
质量比热
2)  ratio of the massic heat capacities
质量热容比
3)  mass flow ratio
质量量比
4)  heat-mass transfer analogy
热质比拟
1.
Experiments have been performed, in which heat-mass transfer analogy and the naphthalene sublimation technique were used, to investigate the local and overall heat transfer characteristics and flow behaviors of an elliptic cylinder of axis ratio 1 6∶1 in crossflow of air.
利用热质比拟原理及萘升华技术对空气横掠半轴比为 1 。
2.
At first, the local and overall heat transfer coefficients are obtained with the Reynolds number ranging from 7 000 to 65 000, by heat-mass transfer analogy and the naphthalene sublimation technique.
通过热质比拟和萘升华技术,获得了雷诺数在7000~65000范围内的局部和平均对流换热系数,通过比较不同类型椭圆管的实验结果,阐明了长径比k的影响,首次给出了Nu=f(k,Re,Pr)形式的实验关联式。
5)  heat mass analogy
热质比拟
1.
Based on the principle of heat mass analogy,the convective heat transfer coefficient on rolling tire surface was simulatively investigated with a linearly moving rotary disc in a wind tunnel by using naphthalene sublimation technology.
根据热质比拟的基本原理 ,采用萘升华技术 ,在风洞中利用直线运动的旋转圆盘模拟研究了滚动轮胎表面的对流换热系数。
6)  mass-heat analogy
质-热比拟
补充资料:质量比
分子式:
CAS号:

性质:一般指发动机质量比,即推进剂质量与发动机初始质量之比。是衡量固体火箭发动机设计水平的一项综合指标,与推进剂密度,药型设计和壳体材料有关。推进剂密度、壳体材料比强度和体积装填系数愈大,则质量比就愈大;推进剂的力学性能佳、燃速压强指数小、有利于提高质量比。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条