本文分析了风速对平板型太阳集热器顶部热损失系数的影响,导出了风速影响修正系数及经验公式。
The effect of wind speed on the top heat loss coefficient of flat plate solar collector has been analyzed, the modified coefficient for wind speed effect and its empirical equation has been derived.
用固体火箭发动机中常用的瞬态平衡压强法对烟火剂式点火器内弹道性能进行了理论预示,并提出热损失系数的概念。
Instantaneous equilibrium pressure method is used in this paper to analysis the internal ballistics of pyrogen-type igniters. A concept of igniter heat loss coefficient is also presented.
在同等壁面热条件下,随着动量调节系数的增加,喷管粘性损失增大,喷管的推力和比冲都将下降;
Under the same wall heat condition, with the increase of momentum correction coefficient, viscosity loss of the nozzle increases, but thrust and specific impulse decrease.
研究了燃料种类、热风炉的排烟温度、过量空气系数以及燃烧空气湿度和温度对排烟热损失的影响规律。
Studies the fuel kinds, the exit gas temperature of the hot air furnace, the excess air coefficient and the air moisture and temperature 'influence for waste heat loss.
本文对保温材料的导热系数、湿度、保温层厚度等影响保温工程热损失的一些因素作了简要分析。
This article analyzes briefly the factors of effects on heat lose of thermal insulating engineering, such as thermal conductivity, humidity, and thickness of insulating layer etc.
实验中对不同雷诺数、不同出流比时通道端壁表面的静压分布、压力损失系数、弦向流量分配以及换热系数进行了测量。
Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).
同时对冷板的散热性能进行了测试,得到了冷板的平均换热系数和压力损失。
At the same time, the average heat exchange coefficient and the pressure loss of the cold plate have been tested.
说明影响保温工程热损失的主要因素是材料的导热系数。
The brief analysis shows that the primary factor of effects on heat lose of thermal insulating engineering is thermal conductivity of material.
说明影响保温工程热损失的主要因素是材料的导热系数。
The brief analysis shows that the primary factor of effects on heat lose of thermal insulating engineering is thermal conductivity of material.
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