heat-flow problem

Combining Riemann′s method with the fixed point theory effectively,we study a class of backwards heat flow problems of one-dimensional nonlinear pseudoparabolic equations,and obtain the existence and uniqueness of the solution of the inverse problem.

将Riemann函数方法与不动点理论有效地结合起来,研究了一类一维非线性伪抛物型方程的后向热流问题,得出了反问题解的存在唯一性结论。

Analysis on solar radiation heat flow on surface of antenna reflector on orbit;

星载抛物面天线反射器太阳辐射热流分析

Calculation of pressure,temperature,thermal conductivity,heat flow and so on based on the depth of BSR of gas hydrate can be accomplished through this module.

由天然气水合物BSR深度推算压力、温度、热导率、热流等一系列有关天然气水合物地热因子,通过设计的模块得以实现,在地热方面为BSR的进一步验证和水合物远景评价提供了有价值的依据,并为水合物理论研究和勘探提供了技术支撑。

Uniformity of heat flux on tube billets heated in ring oven;

环形加热炉内管坯辐射热流均匀性的分析

Simulation of ash depositing in heat transfer surface with heat flux probe;

灰污热流探针模拟锅炉受热面灰沉积的研究

Numerical analysis of the influencing factors on heat flux sensors measurement precision;

热流计测量精度影响因素的数值分析

Development of automatic temperature and thermal current detection system for physiological protection equipment of the aviator;

飞行员个人防护装备热流、温度自动检测系统的研制

In the west Sichuan depression, old thermal current values 60 Ma ago and denudation quantity 60～40 Ma ago have obvious effect on simulation results.

研究表明 ,古地表温度对模拟结果的影响不大 ;岩石热导率的影响程度与岩层厚度有关 ,即厚度越大的地层 ,其岩石热导率的变化对成熟度模拟的影响越大 ;对于川西凹陷 ,6 0Ma时的古热流值和 6 0～ 4 0Ma的剥蚀量对模拟结果影响显著 ,因此减少这两个参数的不确定性有助于提高该地区成熟度模拟的准确性和可靠

It is analyzed that the thermal and chemical model have a effect on the shock detached distance, heat transfer rate, the distributions of temperature and density.

分析了各种气体模型对激波脱体距离、壁面热流、温度分布和密度分布等的影响。

A comparative study of the flux vector splitting techniques and the flux difference technique with different entropy fix formula is presented with regards to their ability to accurately predict the heat transfer rate on the surface of blunt body.

本文采用计算效率较高的标量对角化隐式NND格式 ,通过求解Navier Stokes方程对影响再入体表面热流计算准确的诸因素进行了综合分析。

Besides, the influence of cell Reynolds number on the sphere stagnation point heat transfer rate is analysed by comparing the present results with those available.

通过求解完全Navier－Stokes方程，得到了高超声速情况下钝头体轴对称绕流的较满意结果，同时讨论了网络Re数对驻点热流的影响。