3) thermoacoustic characteristic
热声特性
1.
The comparsion of two types regenerators thermoacoustic characteristic is made.
介绍了回热器热声制冷机理及发展简况， 并对回热器填料为金属网格和吸附剂两种材料的热声特性作了对比，给出强化吸附剂型回热器热声特性的方法，并提出吸附剂型回热器热声制冷机更应能广泛适用于低温热源、无运动部件、清洁制冷的建议。
4) heat transfer characteristics
换热特性
1.
Flowing block and heat transfer characteristics of urban sewage as cold and heat source of heat pumps;
热泵冷热源城市原生污水的流动阻塞与换热特性
2.
An experimental study of heat transfer characteristics in heat exchanger with miniscale channels;
小尺度流道换热器换热特性的实验研究
3.
Numerical study on the flow and heat transfer characteristics of coupled synthetic jets;
多股自耦合射流相干流动和换热特性数值研究
5) heat transfer characteristic
换热特性
1.
The relationships of correlative factors and experimental methods influencing the heat transfer characteristics of honeycomb regene-rators with two hole constructions were analyzed according to the experimental results of honeycomb regenerator under different experimentaldevices.
根据国内不同实验装置上两种格孔蜂窝蓄热体换热特性的实验研究结果,分析了相关因素与实验方法对蓄热体换热特性实验结果的影响关系,指出了实验研究对蓄热室设计与实际运行效果的重要作用。
2.
Numerical research was carried out on the convection heat transfer characteristics(in bilaterally)heated narrow annuli under the conditions of fully developed flow,where the inner and outer walls were heated by uniform but unequal heat fluxes.
对双面加热环形窄缝通道内单相水处于充分发展流动情况下的对流换热特性进行了数值计算。
3.
The experiment has taken a typical structure model as experimental tablet to test the heat transfer characteristic of the porous lamellar tablet.
本实验选取了一种典型结构的多孔层板作为研究对象 ,进行了换热特性实验研究。
6) heat transfer
换热特性
1.
A numerical simulation of flow and heat transfer was conducted for a wavy entire duct of primary surface recuperator(PSR).
基于层流假设,对微型燃机一次表面回热器(PSR)波纹状全程通道的换热特性和压力损失进行了三维数值模拟计算,并将模拟结果与经验公式计算结果进行了比较。
2.
In this paper a theoretical analysis of heat transfer characteristics is presented for the fully developed laminar flow of the incompressible gas in the triangular microchannels in slip flow regime.
针对微三角形槽道利用正交函数法求解了滑移流区内带温度跳跃边界条件的能量方程 ,对不可压缩气体在微三角形槽道内充分发展层流滑移流动的换热特性进行了理论分析 ,获得了轴向定热通量加热、周向均匀壁面温度条件下微三角形槽道内的温度分布和换热特性的分析解 。
3.
The experimental study of the flow resistance and heat transfer characteristics are conducted for water and ethylene glycol solution (66% Wt) flowing in the heat exchanger with small rectangular microchannels .
0mm× 2 0mm的微小矩形槽道蔟为实验段 ,对水和 6 6 %乙二醇水溶液在底部加热的微小槽道散热器中的流动与换热特性进行了实验研究 ,实验的Re数范围为 2～ 2 5 0 0。
补充资料：声特性阻抗
声特性阻抗
物理学术语。关于介质声学特性的物理量。在超声诊断领域简称声阻抗。声波在介质中某点的有效声压与通过该点的有效质点速度的比值。又可用介质的密度与声速的乘积来表示。声波经均质性介质时基本按直线持续传播；声波经两种介质时，其声阻抗差超过0.1%即产生声学界面，引起反射。脉冲反射式超声诊断仪显示的人体组织断面声像，实质上是人体组织中声阻抗差别的空间分布图。
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