翅片
- 网络FIN
-
不同流动角度下锯齿型翅片的CFD模拟
CFD study on serrated fin performance at different flow angles
-
CCWang的模型用于计算百叶窗形翅片管式蒸发器的表面换热系数及压降。
The surface heat transfer coefficient and the pressure drop of louver fin evaporators were calculated with C C Wang 's model .
-
空调翅片自动冲片机的PLC控制系统设计
Design of PLC control system in automatic fins-puncher
-
通过数值模拟得出了X型双向开缝翅片的效率计算曲线。
By numerical method , the fin efficiency curves for X-type two-side strip fin surfaces were achieved .
-
翅片的热效率由CFD计算得出。
The thermal efficiency of fins is obtained by CFD .
-
车用百叶窗翅片式热交换器空气侧性能的CFD研究
CFD study on the air side performance of an automobile louvered-fin type heat exchanger
-
基于OpenGL的翅片管式换热器可视化仿真方法
Visualized Simulation of Fin-and-Tube Heat Exchanger Based on OpenGL
-
FP型金属翅片波纹填料
FP-type Metal Fin Ripple Packing
-
基于Pro/Engineerwildfire的翅片成形刀具设计
Pro / ENGINEER Wildfire Based Fin-shaping Tool Design
-
用Matlab来迭代计算反应床温降及裂解气组分,并把结果代入到下一级的翅片管数值模拟中。
Matlab is used to iterative calculate the reaction bed temperature drop and the product gas composition which is substituted into the numerical simulation of next level of the finned tube .
-
直接从传热系数K的测定值中将气侧放热系数αc分离出来,从而避免了测量平直波纹翅片平均壁温的困难。
Air side heat transfer coefficient is directly separated from experimental data of overall heat transfer coefficient K , therefore , the difficulty of measuring the mean wall surface temperature of flat wavy fins has been avoided .
-
本文建立了百叶窗翅片的三维模型,运用CFD商业软件FLUENT对其内部空气流动和温度分布情况进行数值模拟。
In this paper , three dimensional simulations on the air side heat transfer and flow performance of louvered fins were carried out with the CFD software FLUENT .
-
本文研究了其空气侧性能,并通过模拟计算对波纹百叶翅片提出了Colburnj因子和摩擦系数f因子的计算关联式。
The air-side thermal performance is researched and the Colburn factor j and friction factor f correlations for louver fins are developed by simulation calculation .
-
同时,根据建立的仿真模型和算法,开发了Matlab仿真程序;(3)通过与实验数据对比,验证翅片管蒸发器稳态分布参数模型的可靠性和正确性。
Meanwhile , the simulation program was developed by Matlab based on the model and its algorithm . ( 3 ) The steady-state distributed parameter mathematical model of the fin-and-tube evaporator was validated with the experimental data in the published literature .
-
应用FLUENT软件对车用叉流板翅式机油冷却器两侧流体的流动进行了数值模拟,紊流模型采用标准的Kε湍流模型,翅片侧采用多孔介质模型进行简化。
2-side fluid flow field in a plate-fin oil cooler was simulated with FLUENT code . The standard K - ε model was used as turbulence model , while the domain of fins was simplified as porous media .
-
发现当其它几何参数相同时,倾斜角度为80°的波纹翅片在传热因子j以及j/f都优于其它倾斜角度的波纹翅片。
The results show that when the other geometric parameters are sameness , the wave fin with the rake angle 80 ° is more excellent than fin with other rake angles on factor of heat transfer j and j / f.
-
采用对管外流体温度进行加权平均的方法,应用Laplace变换和归纳法,对任意n排单程叉流翅片管束式换热器的换热和温度分布进行了分析。
Using the method of weighted mean value of outside fluid temperature along with the Laplace transformation and recursive procedure , an analysis of the heat transfer and temperature fields of one pass finned tube bundle cross-flow heat exchanger has been carried out .
-
珠江钢厂CSP热连轧层流冷却热过程模拟研究对不同尺寸的翅片管进行换热过程模拟计算,并根据结果总结出翅片管几何参数对对流换热系数的影响规律;
STUDY ON THE THERMAL SIMULATION OF RUN-OUT TABLE COOLING OF CSP ROLLING MILL AT ZHUJIANG IRON AND STEEL COMPANY The rib-tubes with different structure are also simulated and optimized on the base of the calculated results .
-
本文以金属热强度为结构优化的目标函数,利用Matlab对双通水道带翅片的散热器的散热量进行计算,通过对数值结果的分析,得出该种散热器的最佳结构型式。
Taking the metal thermal intensity as object function for structural optimization , this paper calculates the heat dissipating capacity of finned radiator of double water of passageway with Matlab . Through analyzing the outcome of numerical value , the optimum dimension of structure of the radiator is obtained .
-
本文以R-113和水为混合工质,在水平光滑管和七种管型的内螺旋翅片管内进行不互溶混合工质蒸汽的冷凝传热研究。
The heat transfer in forced convective condensation of immiscible R-113 and water in a horizontal smooth tube was studied experimentally .
-
应用结果表明,采用ST形翅片管使系统操作更为安全,增强了传热效果,减少了维修工作量而又不增加设备投资费用,且消除了扩能“瓶颈”。
The application result showed that : By using ST shape finned tube , the system operation was more safe , the heat transfer effectiveness was enhanced , the maintenance working was decreased , the equipment cost did not increased , and the bottle neck of energy-expanding was e-liminated .
-
本文报道了用N&甲基吡咯烷酮(C5H9NO3)为工质以光滑管与三维内翅片管为管壳制成的两相闭式逆流热虹吸管的传热特性。
Experimental study has been carried out to investigate heat transfer perfor-mance of two-phase closed thermosyphon with N-methyl pyrrolidone ( C5H9NO3 ) as working medium .
-
设计工况下,当蛇形翅片扁平管结构凝汽器积灰厚度达到1.2mm时,汽轮机背压将增加50%左右。
Under design operating conditions when dust accumulation on finned spiral flat tube-structured condensers has a thickness of 1.2 mm , the steam turbine back pressure will increase by about 50 % .
-
与进口油相比,RF-2挥发性冲压油提高了铝翅片的合格率,延长了模具的使用周期。
Comparing with imported oil , the RF-2 volatilizing punching oil increases the acceptance rate of aluminum fin - stock , and extends the service period of die .
-
根据铝翅片冲压加工工艺的技术特点,选用加氢精制窄馏分轻质油为基础油,添加特制的脂肪酸酯为油性剂以及自制的润湿剂和复合防锈剂等添加剂调合成HC-L200挥发性冲压油。
A volatile pressing oil HC-L200 was formulated with hydrotreated narrow fraction light base oil , fatty acid ester lubricant and additives , such as homemade wetting agent and compounded antirust agent .
-
本文针对450W热负荷无机热管冷凝器建立了传热模型,通过模拟计算得到了冷凝管管径、热管间距、翅片宽度对传热性能及重量的影响曲线,最终选取了最佳参数组合及结构优化方案。
The heat transfer performance and mass curves against condensation tube diameter , heat pipe diameter , fin width were obtained by simulation . Ultimately , the best parameter combination and structural optimization design plan were selected .
-
实验中我们采用了三种翅片间距(Tp)、三种管排数(Nrow)以及三种管数(Ntube)组成的27种板芯结构,传质实验采用萘升华的方法来进行。
The twenty-seven structures that consist of three different fin spacing ( Tp ), three different numbers of tube rows ( NTOVI ) and three different numbers of tubes ( Ntube ) along circular direction are tested in the mass transfer experiment that is performed using naphthalene sublimation method .
-
强制对流翅片管式换热器结霜性能的研究
Study on Performance of Forced Convection Finned-Tube Exchanger under Frosting Conditions
-
增压条件下充液旋压成形内螺旋翅片铜管
Oil filled and pressured spinning of copper inner spiral fin tube
-
外翅片铸铁管在低温空冷器中的应用探讨
Application of cast iron side-finned tubes to low temperature air cooler