介绍了东辛输油管道总传热系数的测试情况。
This article covers a brief introduction about the test of overall heat transfer coefficient of Dongxin oil pipeline.
提出了大功率汽轮机叶轮轮缘总传热系数的计算方法。
A way of calculating the overall heat transfer coefficient of wheel rims of large capacity steam turbines is being suggested.
结果表明,潜热传热量占总传热量的比例在30%以内;
The results demonstrate that the ratio of latent heat transfer to sensible heat transfer is within 30 percent.
分析了干工况和湿工况的总传热系数实验公式的表达形式。
Analyses the experimental formula of total heat transfer coefficient of fully wetted and completely dry cooling conditions.
总传热系数在地下热油管的传热计算中是一个重要的参数。
The whole heat transfer coefficient is an important factor in the calculation of heat transfer for underground heated oil pipeline.
结果表明,波纹管换热器的总传热系数比光管高1.5倍以上。
The result shows that heat transfer coefficient of corrugated tube heat exchanger is over 1.5 times than that of bare tube.
本文以总传热面积为目标函数,对不可逆卡诺制冷机进行优化分析。
The total heat-transfer area is taken, as an objective function to analyse the optimal performance of an irreversible Carnot refrigerator.
实验结果表明总传热系数理论计算与实验结果吻合较好,验证了模型公式的正确性。
The theoretical calculation was in excellent agreement with the experimental results, and the validity of model formula was verified.
采用圆筒壁与肋片传热等简化模型来计算汽封块、静叶和隔板的传热过程总传热系数。
Simplified heat transfer models like cylindrical surfaces and fins are used for calculating the overall heat transfer coefficients of gland blocks, stationary blades and diaphragms.
采用混合管束既可获得高的总传热系数和管内外传热膜系数,又可以使管内压降不致过大。
Using mixed tube bundle, high heat transfer coefficient can be acquired as well as pressure drop not too high.
模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热热阻计算方程组成。
The model was made up of inner steam temperature drop equations, the steam pipe laying different ways of unit length heat loss equations, total heat resistance calculation equations.
结果表明:在相同的管、壳程流速下热流体在壳程时换热器总传热系数比热流体在管程时相对高出约33%。
The results showed that the total heat transfer coefficient of heat exchanger with hot water arranged in shell-side was relatively higher by 33% than that with hot water arranged in tube-side.
实验研究结果表明:分子筛催化剂颗粒粒径的大小对壁面传热系数和总传热系数影响大,而对中央区的传热系数无影响。
Experimental results reveal that this diameter exerts strong influence to the overall heat transfer coefficients and that on the wall, but irrelevant to that in the central zone.
结合实际算例,分析了换热器总传热面积对系统特性的影响以及不同设计工况下的优化结果,同时讨论了换热器种类对最小总传热面积的影响。
With an example, analyses the effect of total heat exchanger area on system performance and the optimizing results under different conditions and discusses the impact …
建立了热管式螺杆的热模型,计算出了热管式螺杆的总传导率,进而得出了热管式螺杆的传热方程。
This paper builds up the heat conveying model of the heat pipe screw, calculates its total conductivity and its heat conveying equation.
建立了热管式螺杆的热模型,计算出了热管式螺杆的总传导率,进而得出了热管式螺杆的传热方程。
This paper builds up the heat conveying model of the heat pipe screw, calculates its total conductivity and its heat conveying equation.
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