综合传热系数和系统内气体流动阻力损失是评价换热器性能的重要指标。
Complex heat transfer coefficient and resistance loss of the moving gas inside system are important parameters to evaluate the characteristics of heat exchanger.
文中较详细地讨论了提高换热器综合传热系数的各种措施,还讨论了完善现有换热器和开发新型换热器等问题。
All measures to improve the complex heat transfer coefficient are discussed in detail together with the improvement of the existing heat exchanger and development of new types.
故在有旋流存在的管壳式换热器中,离心浮力对换热器传热性能的影响不可忽视。
Therefore, the influence of centrifugal buoyancy on the heat transfer performance of tube-shell heat exchanger with swirling flow was not negligible.
常见的地下换热器传热模型的理论基础主要有线源理论和柱源理论两种。
Common heat exchanger models are based on the theories of line heat source and column heat source.
传热系数,热阻率,导热系数,换热器,热对流,热传导,热辐射,对流传热。
Heat-transfer coefficient, heat resistivity, heat conductivity, heat exchanger, heating convection, heat conduction, heat radiation, heat convection exchange.
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.
利用FLUENT软件的流体流动和传热问题的微观模拟功能,找到换热器内部的温度分布。
And it also makes use of the microscope simulation ability of FLUENT software on liquid flow and conduct heat.
本文通过壳程和管程两方面进行强化传热,来研究与开发新型高效换热器。
Through reinforcing heat transfer by changing monitor and shell, research and development of new high-activity heat exchanger were made.
而且此模型也可以用于求解具有不同传热膜系数和不同换热器材质的网络。
Furthermore, the model can also be used to solve heat exchanger network problems with unequal heat transfer film coefficients and different construction materials.
螺旋板式换热器是一种高效换热器设备,适用汽—汽、汽—液、液—液,对液传热。
Spiral-plate heat exchanger is a kind of high efficient heat exchanger device which is applicable to vapor-vapor, vapor - liquid, liquid – liquid heat transfer to liquid.
采用油、水、水蒸气对波纹管换热器的传热和流动阻力性能进行了试验研究。
The heat transfer and flow resistance performance of corrugated tube heat exchanger were examined by oil, water, and steam.
宏观集中控制装置以水为传热媒质,通过特制换热器给芯片提供聚合酶反应所需的基本温度;
The cardinal temperature that PCR chips need is controlled by macroscopic control device, in which water as heat medium is pumped through a special heat exchanger.
在传热过程中,由于翅片管可提高传热效率,已在换热器中得到广泛的应用。
Finned tubes are widely used in heat-exchangers due to high efficiency in the process of heat transfer.
介绍螺旋板式换热器的传热机理、结构和制造工艺,列举了该换热器在合成塔中的应用。
Heat transfer mechanism, structure and its fabrication of spiral plate heat exchanger are introduced. Its application in converter is described.
当热阻较大一侧有旋流存在时,离心浮力对换热器传热性能的影响更为明显。
Furthermore, the influence of centrifugal buoyancy on the performance of heat transfer was more distinct in the case of swirling flow existing in the side of larger thermal resistance.
本文阐述多股流板翅式换热器传热计算中的数据处理、数学模型、计算方法和框图。
This paper describes data processing, mathematical models, calculation methods and flowcharts in the heat transfer calculation for multi - fluid plate-fin heat exchangers.
证明该圆孔翅片是一种适用于翅片管式制冷换热器且传热效果优越的片型。
This kind of fin is applicable to the fin-tube cooling heat exchanger and the effect of heat transfer is perfect.
介绍了板翅式换热器的芯体结构、传热传质机理、适用条件。
Presents the core part structure, heat and mass transfer mechanism, and application conditions of the heat exchanger.
对板翅换热器中的氮的冷凝和蒸发耦合传热特性进行了实验研究。
An experimental study on conjugated heat transfer performance of evaporation and condensation in plate-fin heat exchanger is carried out.
通过优化两个换热器和回热器之间的热导率分配或传热面积分配可得循环最优性能。
The optimal performance can be obtained by optimizing the distribution of heat conductances or heat transfer surface areas among the two heat exchangers and the regenerator.
新型换热器与传统换热器相比较传热效率高、压降低、材料及能耗小。
Compared with traditional heat exchanger the new heat exchanger provides superior heat transfer and pressure drop performance.
并且通过计算对比,指明换热器的传热性能对低温热发电装置工作完善性和经济性的影响深度。
It has been shown with numerical analysis that the thermal performance of heat exchanger effects the perfection and economical consideration of the power generating units.
本文讨论了在传热计算中螺旋板换热器与单壳程、单管程列管式换热器的差异。
The difference of heat transfer calculation between spiral plate heat exchanger and single shell and tube heat exchange is discussed in the article.
介绍了重力热管换热器的工作原理、结构和传热特性,以及重力热管换热器在均苯四甲酸二酐生产中的应用情况。
The working principles, structure, and heat transfer characteristics of the gravity heat pipe heat exchangers, and their application in production of pyromellitic dianhydride anhydride were presented.
研究了波面板换热器在振动情况下的传热特性。
The heat transfer characteristics of flowing granular waved plate heat exchanger under vibration condition are investigated.
方向鉴别法不仅可以用于换热器传热试验数据处理,也可用于压力降试验准则方程的求解。
The method of direction distinguishing not only is that used in heat transfer data processing of heat exchanger, but it is also used to find the solution of norm equation for pressure drop test.
以内翅片管作为换热器传热元件,通过实验方法对其传热性能进行研究。
Regard the inner finned tube as the heat exchange units, its heat transfer property was studies experimentally.
研究一种新型高效型板换热器,对型板换热器的传热特性及阻力降性能等进行了实验研究。
Some experimental investigations were made of the heat transfer performance and resistant drop characteristics of the temp plate heat exchanger.
研究一种新型高效型板换热器,对型板换热器的传热特性及阻力降性能等进行了实验研究。
Some experimental investigations were made of the heat transfer performance and resistant drop characteristics of the temp plate heat exchanger.
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