The two-phase flow heat transfer capability is tested and compared with the smooth helical tube.
实验研究了微肋螺旋管内两相流动传热性能，并与光滑螺旋管进行了比较。
The mathematic model and boundary conditions for a finned cross-flow heat exchanger were described.
给出了无量纲换热能量方程组及边界条件和初始条件。
The thermal performance of moist air cross flow heat exchanger with two fluids unmixed has been studied.
本文分析研究两种流体互不混合的湿空气交叉流式热交换器的热性能。
The DPC is a proportional control device and can realize dynamic balance of variable flow heat-supply system.
探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
The distribution of the temperature field and flow field in longitudinal-flow heat exchanger is explored by numerical method.
采用数值模拟方法，研究了纵流式换热器和折流板式换热器流场和温度场的分布。
An experimental study was conducted on the cross-flow heat transfer in a fixed-bed, and simulated by a two-dimensional model.
对固定床中流体与换热管呈错流流动的传热进行了实验研究，并以二维传热模型进行模拟。
The regulation mode of variable flow heat-supply system where the plate heat exchanger is used as heat exchange device in substation is discussed.
探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
Based on it, the concrete application of the derivation constraint optimization method of multi-flow heat exchanger network is analyzed and discussed.
在此基础上，重点分析和讨论了多股流换热器网络的衍生约束优化方法的具体运用。
In this study, systematic experimental investigation was carried out on single-phase fluid flow and vapor-liquid two-phase flow heat transfer in silicon microchannels.
本文主要针对微流体在硅基微通道内的单相和汽液两相流动与传热进行了系统的实验研究。
Through a series of experiments, studies the influence of material properties, passage dimensions and operating conditions on the cross-flow heat recovery ventilator (CFHRV).
通过一系列实验，研究了热湿交换材料特性、通道长度和运行工况等因素对全热交换器热回收效率的影响。
In this paper, the three-phase flow heat transfer enhancement technique is applied to closed gravity heat pipe and a set of three-phase flow gravity heat pipe system is set up.
本文将三相流强化传热技术应用于重力热管，构建了三相流闭式重力热管系统。
The dynamic mathematical model of cross-flow heat exchangers is established in this paper, which takes into account of the arbitrary variations of temperature and flowrate inlets.
建立了叉流式热交换器在热流体和冷流体都随时间变化的条件下的动态二维数学模型。
In the ice storage system the chiller is located upstream in series form, and the thermal storage system involves a vertical laminar flow heat storage tank of natural stratification.
武汉国际会展中心空调系统冷热源为蓄冷、蓄热方式 ，蓄冰系统采用主机位于上游的串联形式 ，蓄热设备为自然分层的垂直层流型蓄热槽。
Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.
头部的血管收紧以阻止身体热量的流失，然后放松让血液流动起来，血液的突然涌入是引起头痛的原因。
He then measured the way that heat passed along the tubes and found that the flow was greatest towards the "low density" ends.
之后他测量了热通过碳管的方式并发现流动在倾向低密度的方向最大。
Many people swear by heat, saying it soothes the pain and promotes healing by stimulating blood flow.
很多人会推荐热敷，说热敷会减轻疼痛并且可以通过刺激血液流动促进愈合。
That is especially true in the heat, when blood vessels in the legs are distended and blood tends to pool in the feet, making the flow of blood up to the head even more difficult.
在高温下这更明显，因为腿部血管膨胀大量血液流向足部，使得向头部输送血液变得更难。
Dr Perelman proved Poincaré's conjecture by taking an equation normally used to model heat dissipation in three-dimensional objects, known as Ricci flow.
佩雷尔曼博士利用广为人知的“瑞奇流（Ricci flow）”这样一个热方程来证明了庞加莱猜想。
Just as electrical energy generates heat when it meets resistance so our psychic energy generates tension and stress when it has to flow through areas that aren't our preference.
就像电子遇到了电阻时能量产生热量那样，当我们的心理能量流向不喜欢的领域时，我们就会产生紧张和压力。
Any cracks will alter the flow of heat, and these changes can be picked up with a heat-sensitive camera.
通过一台热敏感摄像机就能够捕捉到飞机上的裂痕，因为这些裂痕会改变热流的方向。
When sunlight hits the tubes the liquid within becomes superheated. In a home situation, it would then flow into a heat pump to transfer that heat.
阳光照射管阵时，管道里的液体会被加热沸腾，在日常情况下，液体会流进热泵并传导热能。
Vehicles used to transport perishable food products should be well insulated to retard the flow of heat through their walls.
用于运送易腐食品的车辆一般都要有很好的隔热效果，从而减缓通过车身进行热传导。
You know the heat isn't going to flow from a cold body to a hot body without putting some work in to make that happen.
大家知道热量不会自发地，从冷的物理流动到热的物理，除非对它做功。
Equipped with heat flow bypass valve of freezing drying the coolant compressor is not frequently open and shut down.
配备有热气流旁通阀的冷冻式干燥器其冷冻剂压缩机不会频繁地开启和停机。
Now many frozen type dryer are equipped with heat flow bypass valve or needed to control circuit.
现在许多冷冻式干燥器都配备有热气流旁通阀或所需要的控制电路。
Numerical simulation is a effective method for solving problems of fluid flow and heat transfer in complex geometries.
数值模拟是解决复杂区域的流动和换热问题的一个行之有效的方法。
Heat flow from a hotter to a cooler body is a process of energy transfer tending to equalize temperature.
热从高温物体流向低温物体是一个能量传递过程，它使温度趋于均匀。
Heat flow from a hotter to a cooler body is a process of energy transfer tending to equalize temperature.
热从高温物体流向低温物体是一个能量传递过程，它使温度趋于均匀。
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