The result shows the performance of heat exchanger can only be preferably analyzed with the second law of thermodynamics on base of considering characteristic of heat transfer and flow resistance.
认为只有综合考虑换热器的传热特性和压降特性,才能较为准确、客观地分析换热器的性能。
The characteristic of heat transfer enhancement and the fluid flow of the fiat tube bank fin exchanger which has vortex generators on both sides of the fin were investigated by using numerical method.
采用数值模拟的方法,研究了流道内上下两肋片均布置有涡产生器的扁管管片式散热板芯的传热与阻力特性,并与流道单面布置涡产生器的换热板芯进行了对比。
The motions, deformation and heat transfer characteristic of a rising gas bubble through the liquid in a vertical channel are numerically predicted in this paper.
用数值方法模拟了竖直通道宽度对气泡在液体中的非定常运动、变形以及传热特性的影响。
The heat transfer characteristic of horizontal cryogenic vessel and the heat transfer model of non-loss storage for cryogenic liquid were introduced.
介绍了卧式低温容器的传热特点,以及低温液体无损贮存的传热模型。
The characteristic of turbulent heat transfer and flow resistance with multi-longitudinal vortexes in tube is numerically analyzed.
对多纵向涡对管内湍流换热和流阻特性进行了数值分析。
Based experimentations, the performance characteristic on enhanced heat transfer and flow resistance of twisted tube were educed.
通过实验,得出了螺旋扁管强化传热及阻力性能特性。
Heat transfer characteristic of ice storage tank of direct contact ice slurry system was studied, the influence factor of volumetric heat transfer coefficient in the ice slurry tank was analyzed.
对直接接触式二元冰蓄冷系统制冰罐内的传热特性进行了研究,对影响制冰罐内容积换热系数的各种影响因素进行了分析,最后对容积换热系数对制冰速率的影响进行了讨论。
The experiment has studied the heat transfer characteristic inside U shaped variable cross-section channels with different rib pitches, The channel is the middle part of a gas turbine blade.
本实验选取航空发动机涡轮叶片中段内部冷却通道为研究对象,对不同肋间距的横肋变截面U型通道的换热特性进行了研究。
The solution of the heat transfer submodel is worked out by the finite differential method; while the solution of the flow submodel is worked out by the characteristic method.
该模型由一传热子模型和一流动子模型耦合组成,分别用有限差分法和特征线法求解。
An unsteady heat transfer model was sot up and solved by numerical solution for the heat transfer characteristic of U-pipe heat exchanger and the interaction of the two pipe legs of the GSHPs.
针对U型管埋地换热器的传热特点,考虑了两管脚之间的相互影响,建立起非稳态传热模型。
Based on the existing heat transfer condition and characteristic acetylation system, we used mathematical model to predict the feasibility of increasing the temperature of freezing brine.
针对特殊的醋化反应体系,在现有的醋化反应器传热条件基础上,采用数学模型计算并预测提升冷冻盐水温度的可行性。
Effects of the liquid property, flow rate, material and surface characteristic, temperature and boiling on the fouling of heat transfer equipment are analyzed.
分析了换热设备结垢的主要影响因素:流体性质、流体流速、材质及表面状况、温度和沸腾等。
The results suggest that the effects of buoyancy force, variable physical properties of the fluid, and duct geometric characteristic on flow and heat transfer can be very significant.
研究表明,流体剧烈变化的热物性、浮升力以及三角管的几何特征对管内流动换热的影响非常明显。
Based on the heat exchange characteristic of permanent mould casting, the thermal resistance of coating level becomes the main thermal resistance of the heat transfer.
基于金属型铸造热交换的特点,涂料层的热阻成为传热的主要热阻。
The flow pattern, mixing characteristic and heat transfer performance of this combined impeller were studied on the basis of laboratory cold simulation test.
在实验室基础上,探讨了这一搅拌器的流型、功率消耗、混合特性和传热性能,为该组合桨的开发应用奠定了基础。
The characteristic length about micro-combustion system is small, and its flow, heat transfer and combustion has many different characteristic that large size of the combustion systems has.
微型燃烧系统的特征长度很小,其流动、传热和燃烧具有的特性,与大尺寸的燃烧系统有许多不同。
The section area can be worked out according to relational formula of characteristic formula in the heat transfer. As an example, the structural dimension of…
从传热学中的特征式关联式出发,给出一种电流引线冷却面积的计算方法,并以黄铜为例计算了电流引线的结构尺寸。
The characteristic of convection-condensing heat transfer of wet flue gas in a vertical tube was introduced and it was studied experimentally.
本文介绍了含湿混合气体在垂直管内对流冷凝换热的特点,并对其进行了实验研究;
This paper introduces the experimental result of influence of the mean temperature of partial cylinder to transient heat transfer characteristic of internal combustion engine.
本文介绍了局部和缸壁平均温度对内燃机瞬时传热特性影响的实验结果。
In this paper, increase with Reynolds number, we first find that 3-d IFT with staggered arrangement fins and smooth tube's heat transfer characteristic curve will have a point of intersection.
本文研究还首次发现在层流区,随着雷诺数的增加,肋叉排三维内肋管和光管的换热特性曲线会出现一个交点即换热有效折点。
In this paper, increase with Reynolds number, we first find that 3-d IFT with staggered arrangement fins and smooth tube's heat transfer characteristic curve will have a point of intersection.
本文研究还首次发现在层流区,随着雷诺数的增加,肋叉排三维内肋管和光管的换热特性曲线会出现一个交点即换热有效折点。
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