wall coefficient

The amplitude and phase distribution depend on material thermal properties, wall thickness and local heat transfer coefficient.

利用博里叶变换分析温度基波相位和幅值变化，进而推算壁面的局部换热系数。

The transient heating capacity, coefficient of performance ( COP), cycle parameters of the ASHP system and frost accumulation amount on the outdoor heat exchanger surface, wall temperature distribution along the heat exchange tubes are measured under frosting conditions.

测量了该空调器在不同室外温度、湿度条件下制热量、性能系数（COP）、系统循环参数、室外换热器结霜量及壁面温度分布随结霜时间的变化。

The internal portion of nozzle afterbody is designed using the theory of expansion wave. The upper wall is designed for better thrust coefficient. The propulsion performance of nozzle afterbody is improved.

介绍了后体喷管的参数化设计方法，应用膨胀波理论设计后体内部喷管，以推力系数为目标设计上壁型面，提高了后体喷管的推进性能。

Based on the three-factor rolling theory in which Okamoto introduced v_m, the average deformation coefficient, the author derived the criterion and the formula for calculating the change in wall thickness of steel pipe during hollow drawing.

本文根据冈本丰彦引入平均形状变化系数u m的三元轧制理论，推导出钢管空拔时壁厚变化的判据和计算式；

After comparison of the result from pushover and IDA, The structural influencing coefficient and deflection amplification factor of the semi-rigid connected steel frame-steel plate shear wall structures that designed according to building seismic code of China are suggested. 7.

对Pushover分析与IDA分析的结果进行了对比，根据两种分析方法的结果，提出了按照我国规范设计的半刚性连接钢框架钢板剪力墙结构的结构影响系数和位移放大系数的取值。

Based on the principle of imagery by a digital ultrasonic logging system, a method for computing the reflection coefficient of the side wall according to the degree of greyness and the echo time data is presented.

本文从数字超声电视测井的成象原理出发，研究了根据井壁超声图象的灰度和回波时间数据计算井壁反射系数的方法。

In order to save soil resources and reduce building principal part structure engineering cost, finite difference method, harmonic wave method and response coefficient method have been utilized to analyze the unsteady thermal characteristics of wall insulation in low energy consumption building.

为节约土地资源和降低建筑主体结构工程造价，采用有限差分法、谐波法和反应系数法对节能建筑复合墙体的非稳态热工性能进行全面分析。

Numerical study on adiabatic wall cooling effectiveness and convective heat transfer coefficient of effusion cooling

致密孔阵气膜冷却绝热温比和对流换热系数的数值研究