For connective heat transfer augmentation , the field - coordination equations are given and theoretically proved to achieve the optimal heat transfer performance at a constant flow resistance 对于对流换热强化，提出并理论证明了场协同方程是控制着流动阻力一定下传热整体性能达到最优时的速度场。
With the rapid development of the nano - technology , some scholars attempted to enforce the heat transfer process with nano particles , which brings a new method to the heat transfer enhancement 随着纳米技术迅速发展，一些学者开始尝试用纳米颗粒材料强化对流换热，给强化传热技术带来了蓬勃生机。
The effects of various structure parameters and fins arrangement of the three dimensional extended surface on heat transfer performance in the 3 - d ift have not been studied systematically 特别是在三维内肋管肋形结构尺寸，肋排列形式等影响管内对流换热特性因素的系统研究工作还有待于进一步的完善。
So if there is any difference of coefficient of convective heat transfer between this two boundary condition ? both numerical simulation and experiment were adopted to research ducted heat convection 探讨这两种边界条件下管内外的对流换热系数的差别及相应的对应关系对于换热设备的设计具有重要的意义。
And also meet experiment result well . the heat release from floor thought radiation is validated about 70 % by analyzing the surface coefficient of heat transfer with convection and radiation 随后，对低温辐射地板上表面的对流换热系数和辐射换热系数分析结果表明地板表面辐射散热量约占地板表面总散热量的70 。
But the study is just in its outset , and far from understood . the investigation on convective heat transfer and flow characteristics of cuo nano suspension in mini and micro passages is outset in blank 但此项研究工作尚处于起步阶段，而微细尺度通道内纳米颗粒悬浮液流动与对流换热规律的研究，目前尚未见公开报道。
The characteristic of flow and heat transfer in the annular curved eccentric pipes were studied . the convective heat transfer equation and numerical simulation were based on it 摘要讨论了环形偏心圆截面弯管内的对流换热特性，并在此基础上建立了对流换热方程。同时采用数值模拟的方法分析了环形偏心圆截面弯管内的流场分布。
In our studies , three - dimensional internally finned tube ( 3 - d ift ) can be used to enhance single - phase forced convective heat transfer inside tube . the new type tube can be called a revolution in heat transfer augmentation 本文所研究的被称为强化传热革命的三维内肋管就是应用于各种换热器中单相强迫对流换热的新型强化传热管。
At the same time , according to the similarity theory and dimension analysis , this research has accomplished the heat convection experiment , and has gotten the calculation method of heat convection coefficient of drum brake 并在相似理论和量纲分析理论的指导下，进行鼓式制动器对流换热实验，得出鼓式制动器对流换热系数的求解公式。
In addition , the inner surface temperature with the effect of air convection in the detect is different from the one in terms of considering air heat transfer in the defect as conduction and the effect caused by radiation can be neglected 考虑缺陷内空气对流换热的影响下得出的温度与纯导热条件下得出的温度存在较大误差，辐射的影响可以忽略不计。
