几类反常扩散与传热问题的分析研究 

反常扩散和传热问题在许多科学研究和工程技术中有着非常重要的作用,许多科学技术工作者仍然从事这个领域对各种类型的反常扩散及传热应用问题的研究,本论文利用解析方法对几类反常扩散与传热问题开展研究,包括:具有n-扩散型的反应扩散问题,激波边界层流动,非牛顿流体边界层流动与传热问题。对一类与n-扩散相关的反应扩散问题基于同质模...
北京科技大学  博士论文  2018年 下载次数(47)| 被引次数()

分布式水泵供热系统能效分析 

随着城市化进程、集中供热技术的发展和热热负荷需求的提高,供热管网规模扩张且逐渐趋于复杂。在这样的背景下,传统供热系统设计的适应性如未及更新,可能影响供热系统的稳定性、可靠性和能效。近些年,新的供热系统设计方法––分布式水泵供热系统逐渐应用和推广。传统供热系统循环动力的设计总是根据热源内部阻力、管网阻力及最不利热用户的阻...
哈尔滨工业大学  硕士论文  2016年 下载次数(92)| 被引次数(1)

电镀微孔表面对过冷流动沸腾传热强化的研究 

当今传热设备日趋小型化,致使如何从微小区域有效散热成为研究的热点。与单相对流换热比,相变传热,尤其是流动沸腾传热,可以很有效地从微小区域带走高热流量。目前很多的学者们热衷于表面处理来提高流动沸腾传热特性。本文中,通过两步法电镀技术来对铜表面进行处理来提高流动沸腾传热特性。过冷流动沸腾换热面尺寸为20mm×20mm,并被...
大连海事大学  硕士论文  2016年 下载次数(49)| 被引次数(0)

Genetic improvement of heat tolerance in wheat:Recent progress in understanding the underlying molecular mechanisms 

As a cool season crop, wheat(Triticum aestivum L.) has an optimal daytime growing temperature of 15 ℃ during the reproductive stage. With global climate change,...
《The Crop Journal》  2018年 第01期 下载次数(32)| 被引次数()

Review on active thermal protection and its heat transfer for airbreathing hypersonic vehicles 

Hypersonic vehicles with turbojet, ramjet, and scramjet engines are expected to be widely applied to future transportation systems. Due to high-speed flight in ...
《Chinese Journal of Aeronautics》  2018年 第10期 下载次数(34)| 被引次数(1)

On the radiogenic heat production of metamorphic, igneous, and sedimentary rocks 

Sedimentary rocks cover-73% of the Earth s surface and metamorphic rocks account for approximately91% of the crust by volume. Understanding the average behavior...
《Geoscience Frontiers》  2018年 第06期 下载次数(9)| 被引次数()

Influence of Filling Ratio and Working Fluid Thermal Properties on Starting up and Heat Transferring Performance of Closed Loop Plate Oscillating Heat Pipe with Parallel Channels 

Using ethanol or acetone as the working fluid, the performance of starting up and heat transfer of closed-loop plate oscillating heat pipe with parallel channel...
《Journal of Thermal Science》  2017年 第01期 下载次数(31)| 被引次数(3)

Thermal analysis of an LED module with a novelly assembled heat pipe heat sink 

This work aims to improve the thermal performance of a light emitting diode(LED) module by employing a novelly assembled heat pipe heat sink. The heat pipe was ...
《Journal of Central South University》  2017年 第04期 下载次数(44)| 被引次数(0)

Effect of inertial particles with different specific heat capacities on heat transfer in particle-laden turbulent flow 

The effect of inertial particles with different specific heat on heat transfer in particle-laden turbulent channel flows is studied using the direct numerical s...
《Applied Mathematics and Mechanics(English Edition)》  2017年 第08期 下载次数(8)| 被引次数(1)

On the radiogenic heat production of igneous rocks 

Radiogenic heat production is a physical parameter crucial to properly estimating lithospheric temperatures and properly understanding processes related to the ...
《Geoscience Frontiers》  2017年 第05期 下载次数(7)| 被引次数(2)

Ground experimental investigations into an ejected spray cooling system for space closed-loop application 

Spray cooling has proved its superior heat transfer performance in removing high heat flux for ground applications.However,the dissipation of vapor–liquid mixtu...
《Chinese Journal of Aeronautics》  2016年 第03期 下载次数(26)| 被引次数(1)

Evaluation of convective heat transfer in a tube based on local exergy destruction rate 

In this study, exergy efficiency is defined to evaluate convective heat transfer in a tube based on the local exergy destruction rate from the equilibrium equat...
《Science China(Technological Sciences)》  2016年 第10期 下载次数(32)| 被引次数(0)

Entransy dissipation minimization for generalized heat exchange processes 

This paper investigates the MED(Minimum Entransy Dissipation) optimization of heat transfer processes with the generalized heat transfer law q ∝(△(T~n))~m T. Fo...
《Science China(Technological Sciences)》  2016年 第10期 下载次数(17)| 被引次数(7)

Simulation and analysis for anthropogenic heat release 

Heat balance of urban ecosystem is a key point for the study of urban climate and micro-climate pattern and its change mechanism. Urban heat island effect is be...
《Global Geology》  2015年 第01期 下载次数(38)| 被引次数(0)

The Investigation on Flow Boiling Heat Transfer of R134a in Micro-channels 

The present study reports an experimental evaluation of heat transfer characteristic of R134 a flow boiling in micro-channel heat sink. The heat sink is compose...
《Journal of Thermal Science》  2015年 第05期 下载次数(49)| 被引次数(3)

共找到相关记录37648条上一页>45678910111213下一页