用半无限大导热理论对瞬态导热过程进行换热系数求解。
The heat transfer coefficient is obtained by solution of semi-infinity heat conduction theory.
结果表明：防撞梁的瞬态冲击载荷不仅与冲击距离呈线性关系，而且和提升容器下降侧与上升侧的张力差、提升钢丝绳的弹性系数有关。
The instantaneous impact force is linear with impact distance, and depends on the difference in tension between descending and ascending vessels and the elastic coefficients of hoisting ropes.
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.
建立了多孔铝的一维瞬态对流换热模型，采用反演分析方法求得了多孔铝的体积对流换热系数。
The volumetric heat transfer coefficients H_v between porous aluminum and air were measured by developing single-blow transient experimental technique in conjunction with the inversion analysis.
考察了对流换热系数、吸收系数对三层复合层瞬态耦合换热的影响。
The influences of convective coefficient and absorbing coefficient on coupled heat transfer are investigated in detail.
采用整体传递系数法计算转子系统的动力特性，进而求解双转子系统的瞬态响应。
The dynamic characteristics were calculated by the WTCM, and then the transient responses of dual-rotor system were solved.
本文用地源热泵地下换热器线热源模型、简化柱热源模型和二维瞬态数值传热模型对地下土壤导热系数分别进行了计算。
The line source model, the simplified cylindrical source model and the two-dimensional numerical model were used to determine the thermal conductivity of underground soil.
的系数立即给出了衰减的速度。而且，当时间为4T时，瞬态解衰减至初始值的1.8%。
The coefficient of s then immediately indicates the speed of decay, and it takes 4T seconds for the transient to decay to 1.8% of its initial value.
瞬态液晶技术用于复杂几何表面传热系数高分辨率的测量是成功的。
The method has been proved to be successful for high resolution measurements in internal heat transfer on surfaces with complex geometries.
用该仪器对蒸馏水和乙醇进行的测试结果表明：瞬态双热线导热系数测量具有较高的精度与回复度。
And we measured the ethanol thermal conductivity. All the test results showed that the apparatus is good accuracy.
介绍用瞬态法测定混凝土渗系数的原理和方法。
The principle and instaneous method of measuring concrete permeability are introduced.
本文介绍了用于材料导热系数瞬态测量的两种数学模型。它们考虑到在实验过程中材料膨胀的影响。
Two mathematical models of the dynamic measurement for thermal conductivity of materials are described by taking into account the effect of thermal expansion during the experiment.
根据定义的负压波反射系数关系式和瞬态压力响应图，应用行波计算方法得到泄漏点的全部信息（泄漏流量和位置）。
The full information(leak flow and location) of leak point is obtained applying the analysis of transient pressure plot and formula of negative pressure reflectance.
根据定义的负压波反射系数关系式和瞬态压力响应图，应用行波计算方法得到泄漏点的全部信息（泄漏流量和位置）。
The full information(leak flow and location) of leak point is obtained applying the analysis of transient pressure plot and formula of negative pressure reflectance.
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