convective heat transfer
对流热传递
2026-01-09 19:50 浏览次数 12
对流热传递
according to the theory of similarity, using aerodynamic model, this paper has studied the convective heat transfer in the firing zone by means of counter-thermal-flow local simulation.
本文根据相似论原理,利用空气动力模型,采取局部模拟方法,研究了隧道窑烧成带的对流传热。
convective heat transfer coefficient on the air side of direct expansion evaporator under low air pressure is studied by theory and experiment respectively.
分别从理论和实验两方面研究低气压环境对蒸发器空气侧换热系数的影响。
the paper analysed the convective heat transfer coefficient of organic heat transfer material heater, takeing a usual thermal medium for example.
以一种常见导热油为例对有机热载体锅炉的对流受热面传热系数进行计算分析。
this paper numerically simulated natural convective heat transfer of isothermal vertical strip by using the concept and equations set of tridimensional boundary layer.
应用三维边界层的概念及方程组,数值模拟了等温竖窄条自然对流换热。
the friction and convective heat transfer of single phase water flow in a vertical heated tube at natural circulation condition were experimentally investigated.
以常压去离子水为工质,对自然循环工况下上升加热段内单相水的摩擦阻力及对流传热特性进行了实验研究。
a self-adaptive precise algorithm in the time domain is presented for convective heat transfer problems.
应用时域自适应精细算法求解对流传热问题。
there exist linear correlations between the convective heat transfer coefficient of concrete surface and wind speed, the radiation coefficient of concrete surface and the temperature difference.
实验结果表明,混凝土表面对流换热系数与风速、混凝土表面热辐射系数与温差之间均有很好的线性相关性。
it demonstrate the new principle of convective heat transfer enhancement by changing the angle between fluid flow and heat flux.
从而验证了改变气流方向和热流密度矢量之间夹角可以强化换热的这一强化传热新原理。
in this paper the natural convective heat transfer in a rectangle cavity was discussed and the cavity has five discrete heat sources on the vertical wall.
通过离散热源模拟板管式换热器的盘管,对竖直钢平板自然对流和导热的耦合传热进行了实验研究。
the equivalent convective heat transfer coefficient is used to assess the heat transfer performance.
研究中采用等效对流传热系数等作为评价传热性能的指标。
abstr: the water-cooled model of the toroidal field coils was established calculated according to the heat conduction and the convective heat transfer equation.
文章摘要:建立了环向场线圈的水冷计算模型,根据热传导和对流换热方程进行了数值模拟分析。
the relational expression of natural convective heat transfer of isothermal vertical strip was found.
以条宽为特征量,得出了竖窄条自然对流换热关系式。
from the view of the basic theory of heat transfer, the convective heat transfer characteristic of flue gas under oxy-fuel combustion was analyzed.
从传热学的基本理论出发,研究了富氧燃烧方式下烟气的对流传热特性;
the result is that the convective heat transfer coefficient increases greatly, and increase of pressure loss is not too much.
可以大范围地破碎和减簿附面层,从而可大大地提高对流传热系数,而压力损失却增加不多。
the flow characteristics and convective heat transfer performance of water and sdbs solutions is also tested to compare with nano particle suspension.
为对比分析还测试了水和分散剂溶液的流动与换热特性。
in addition, the stress distributions are substantially changed with the change of the temperature of the surrounding medium and the convective heat transfer coefficients.
此外,对流换热系数和环境介质温度的变化对不同力学边界条件下该材料板瞬态热应力场的影响显着。
in the present study, the preparation methods, stability, viscosity, flow characteristics in micro-channels and convective heat transfer characteristics have been studied.
论文以纳米流体为研究对象,对其制备方法、稳定性及其粘度、微管道中的流动特性、及其对流传热特性进行了研究。
to study the convective heat transfer in spacecraft cabins, the lowering pressure method is usually used to suppress the effect of natural convection in terrestrial experiments.
地面降压模拟技术是研究载人航天器舱内流动换热的有效手段,该技术的关键在于选取一个合适的舱内压力,使得地面条件下自然对流的影响得以消除。
a new method for numerical solution of convective heat transfer problems is presented.
本文给出了一种求解对流传热问题的分步杂交方法。
this paper introduces the intensive measures for convective heat transfer under no-phase transformation on tubular heat exchangers.
介绍了管式换热器无相变时强化对流给热的措施。
if the convective heat transfer coefficient is great enough, its rechange has smaller effect on temperature response.
当对流换热系数足够大时,再改变对流换热系数对温度影响较小。
the relation between the coefficient of the convective heat transfer and cooling water flow was obtained.
结果表明,在一定水流量范围内随着冷却水量的增加,带钢表面换热系数逐渐增加;
a physical model with distributed heat sink and its mathematical description were given for the turbulent convective heat transfer of air-water mist flow along a dry isothermal flat plate.
本文报道了对含雾空气流过无液膜覆盖时等温干平板的湍流传热进行的理论分析与实验研究。
applies the method of surface heat transfer analysis to calculating the convective heat transfer coefficient in order to solute the wall temperature.
建立了室内表面对流辐射耦合换热方程,着重讨论了采用表面换热分析法求解表面传热系数以求解壁温的方法。
effects of axial heat conduction in the wall on convective heat transfer in microtube have been studied analytically.
本文通过数值解析的方法研究了考虑壁面轴向导热时微细管内的对流换热。
in addition, the effect of the convective heat transfer in the defect on the temperature distribution of the inspection surface is also studied by building a one dimensional model.
得到了缺陷尺寸、深度以及缺陷的当量导热系数对检测表面温度分布的影响规律;通过建立一维模型,分析了缺陷空腔内自然对流换热对检测表面温度分布的影响。
the results demonstrate that the convective heat transfer intensifies greatly and varies in the region inside all the hole entrances.
结果表明:三种进气角度的小孔在孔进口区的换热增强幅度都较大,并且在进口区不同位置增幅差别都很大;
forced convective heat transfer in centrifugal fluidized bed was conducted both theoretically and experimentally.
对离心流化床中空气通过多孔物料层的强制对流换热进行了理论和实验研究。