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三维导热
相关语句
  three dimentional heat conduction
     Finite element analysis of three dimentional heat conduction in building enclosures
     围护结构三维导热的有限元分析
短句来源
     The three dimentional heat conduction in building enclosures is simulated by the Femlab, a simulation software based on the finite element analysis(FEA),and a case study is presented.
     利用有限元分析软件包Femlab,进行建筑围护结构三维导热分析。
短句来源
  “三维导热”译为未确定词的双语例句
     SIMULATION RESEARCH ON THREE DIMENSIONAL THERMAL CONDUCTION OF ENCLOSURE STRUCTURE
     围护结构三维导热数值仿真研究
短句来源
     NUMERICAL SIMULATION OF THREE-DIMENSIONAL HEAT CONDUCTION IN CHECKERWORK OF HOT BLAST STOVES
     高炉热风炉蓄热室格砖三维导热数值模拟
     In this thesis the heat transfer theory and the finite element method are used to simulate the two dimension temperature field and the three dimension temperature field.
     本文应用传热学基本原理和有限元基本方法,完成了二维、三维导热温度场的有限元数值模拟。
短句来源
     A three-dimensional model concerning the temperature distribution of female breasts has been simulated numerically and checked in clinics thermo-imaging diagnosis.
     本文建立了人体乳房的传热模型,编制了三维导热程序,数值模拟了正常乳房和病变乳房的三维温度场。
短句来源
     A three-dimensional unsteady thermal conduction was treated as three one-dimensional unsteady thermal conductions, and the process of temperature dropping in force convection and temperature rising in natural convection was calculated.
     将恒热流的三维导热问题视为相应的3个一维导热问题的叠加,并采用有限差分法对控制微分方程进行离散,对钢混凝土结合梁试件在强迫对流环境下的降温(25~-45 ℃)和自然对流环境下的升温(-45~25 ℃)中的温度分布进行了数值计算。
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  相似匹配句对
     Finite element analysis of three dimentional heat conduction in building enclosures
     围护结构三维导热的有限元分析
短句来源
     The Visualization of the Calculation of the 3 D Temperature Field of Heat Conduction
     导热三维温度场的科学计算可视化研究
短句来源
     The Three-dimension Accuracy
     三维精度
短句来源
     THREE DIMENSIONAL TRIANGULATION NET
     三维三角网
短句来源
     Numerical analysis of unsteady conduction problem
     瞬态导热的计算机分析
短句来源
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This study offers an efficient and quick system for accurate diagnosis of women' s breasts diseases by using newly established thermo-imaging software. A three-dimensional model concerning the temperature distribution of female breasts has been simulated numerically and checked in clinics thermo-imaging diagnosis. Results are very promising.

本研究成果提供一种热成象软件用以迅速而有效地确诊妇女乳房疾病。本文建立了人体乳房的传热模型,编制了三维导热程序,数值模拟了正常乳房和病变乳房的三维温度场。与热图象结果进行了对比,得到了一批有实用价值的热物性数据,并对热图诊断标准进行了修正,在乳房病变热诊断方面进行了有益的探索。

A numerical model of cooling air flow and heat transfer in a pin-finned convergent passage of gas turbine guiding vane was set up,which employed a turbulent k-ε model,a 3D Body Fitted Coordinates (BFC),the SIMPLEST Algorithm and the whole field solving method of convection-conduction conjugate heat transfer problem,taking the interlinks among the flow field,pressure field,the temperature field,the property variation and the effects of compressibility and 3D heat conduction inside a guiding vane shell into consideration.The...

A numerical model of cooling air flow and heat transfer in a pin-finned convergent passage of gas turbine guiding vane was set up,which employed a turbulent k-ε model,a 3D Body Fitted Coordinates (BFC),the SIMPLEST Algorithm and the whole field solving method of convection-conduction conjugate heat transfer problem,taking the interlinks among the flow field,pressure field,the temperature field,the property variation and the effects of compressibility and 3D heat conduction inside a guiding vane shell into consideration.The computation results are in a good agreement with experimental data.

应用紊流k-ε模型、三维适体座标网格结合SIMPLEST算法,对涡轮导向叶片尾部变截面针肋通道内空气流动和传热过程进行了数值模拟。该模拟同时考虑了流场、压力场、温度场和物性变化之间的相互耦合作用,可压缩和变物性的影响以及叶片壁内三维导热效果,采取对流—导热耦合传热问题的整体求解法进行数值计算。计算结果与实验符合良好,证明本文建立的数值模型是正确的,可为叶片的优化设计提供一定的依据。

In the light of the difficulty of the continuous construction of RCCDs in high temperature season, the authors have raised a concept that the water cooling pipe measure could be used to reduce the dams' internal temperature. One only need to embed the pipes in the local areas of the dam bodies, which are constructed during high temperature seasons. A new and mathematically strict numerical procedure has been creatively suggested to analyze the three dimensional effect of the measure on the dam temperature...

In the light of the difficulty of the continuous construction of RCCDs in high temperature season, the authors have raised a concept that the water cooling pipe measure could be used to reduce the dams' internal temperature. One only need to embed the pipes in the local areas of the dam bodies, which are constructed during high temperature seasons. A new and mathematically strict numerical procedure has been creatively suggested to analyze the three dimensional effect of the measure on the dam temperature distribution. Due to the water in the pipes are moving the problem of numerical solution of the usteady temperature field is rather difficult. The convergence solution to the thermal control problem has to the gotten by finite element method with iterative computations. The numerical simulation of the whole continuous construction process of a RCCD has been implemented. The results from the simulation make clear that the concept and the procedure are of great useful in practice, and the concept is a good and high effective thermal control measure directly to improve and control the internal temperatures of dam bodies. It is of specially effective and sensitive to cut off the internal summit temperature in dam bodies. Therefore, it is of high valuable to extent the concept to ensure the safe uninterrupted construction of RCCDs in high temperature season.

针对碾压混凝土坝 (RCCD)高温期难以连续施工的问题 ,笔者提出在大坝的高温期连续施工区局部采用冷却水管 ,并对冷却水管三维导热降温的作用提出一种有限单元法计算技术。由于水管中的冷却水是流动的 ,需通过迭代求解才能得到问题的收敛解。通过对某一大坝混凝土施工全过程的动态仿真计算 ,分析了冷却水管温控措施对RCCD高温期连续施工时温度场的控制性影响作用。结果表明 ,本文的方法具有一定的工程应用前景 ;在局部区铺设冷却水管可改善和控制RCCD内部的温度分布 ,是一种有效的温控手段 ,尤其对大坝的削峰降温敏感有效 ,可作为确保RCCD高温期也能连续施工的一种值得推广的温控措施

 
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