采用外螺旋肋片管实现高温侧强化传热后，再热器管壁温度升高，所需贵重金属耗量增加。
The temperature of the tube went up and then the expenditure of expensive alloy increased by using extern spiral finned tube, which enhanced the external heat transfer.
肋片是一种强化换热的有效手段，在紧凑式换热器中肋片管已经得到了广泛地应用。
Rib is an effective means of fortified heat exchange, the rib tube has been widely used in the compact heat exchanger.
从热传导原理、肋片的温度分布特性等，与现代优化设计理论相结合，导出了一种关于等厚度环肋的尺寸优化的方法。
Combined with modern optimization theory, a method of size optimization for annular fins with constant thickness is derived from theory of heat conduction and temperature distribution in fins.
所得结果对于肋片的设计和选型以及进一步研究肋片的换热问题，都具有重要的意义。
The results obtained are important for the design and type choosing of the fins and for the further study on heat transfer in the fins.
重点分析了圆管与扁管管间距、肋片厚度对肋效率的影响。
Emphasis is laid on the effect of tube distance and fin thickness on fin efficiency.
为了考察这类翅片的性能特征，对9种不同几何参数的单排肋管式换热器样件在吸风式直流热风洞内进行了实验。
To investigate the performance characteristics of these fins, 9 single row finned tube heat exchangers sample were tested in a suction opened circuit thermal wind tunnel for a number of geometers.
相对光滑管，中心管采用肋片管使蒸汽重整器性能有明显的提高。
Reformer tube with finned central tube improves the performance remarkably comparing with smooth central tube.
在低温热水地板辐射供暖系统的计算中，原用的平面肋片模型假设地板的温度场是一维的。
Original plane fin model of calculation for heat dissipating capacity in low-temperature hot water floor radiation heating system was hypothesized one-dimensional temperature field in floor.
实测了水平肋片管在自然对流换热条件下圆管表面温度在圆周方向上的分布。
This paper offers the measured distribution of the surface temperature of horizontal finned tube along the circumference in natural convection heat transfer.
采用有限差分数值分析方法，应用温度逐次更新处理技术对不同扰流孔下的椭圆管矩形翅片的肋效率进行计算。
The FDM numerical analytic method is applied to calculate the fin efficiency of elliptic tube with rectangular fins on which the disturbing holes were dug by using additional source term technique.
因此有必要对肋片传热的最优化进行研究，它可以分成两类：在给定的传热量下确定最小的肋片体积；
It can be considered either as a fin of minimum volume for a given amount of heat dissipation, or as a maximum amount of heat dissipation for a fin of given volume.
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 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.
介绍了优化鳍片管的恒肋重法，并与传统的计算方法进行了对比验证。
In this paper, the new optimization method, constant fin scale method, on the longitudinal fins is introduced and compared with traditional method.
根据实验研究结果拟合出了肋片管式冷凝换热器烟气强迫对流凝结换热的实验关联式。
The experimental correlations for the forced convection-condensation heat transfer of flue gas in the heat exchanger are obtained by the experimental study result.
针对平肋肋片管式换热器的结霜过程，建立了数学模型，考虑了霜层密度变化和霜层阻力引起空气流量减小等因素。
Establishes a mathematic model, taking into account the variation of frost density and the decrease of airflow rate caused by frost layer.
研究在辐射和对流同时作用下肋根温度作周期性变化时矩形肋片的传热特性。
The heat transfer performance of a rectangular fin during periodic fin base temperature change is studied under simultaneous action of radiation and convection.
该文针对锅炉省煤器磨损泄漏问题，采用螺旋肋片技术对省煤器进行了改造，并给出了设计计算结果。
The paper shows a new method to use spiral finned tubes in the improvement of boiler economizer so as to solve its leakage problem caused by wear, and gives relevant design and calculation results.
提出了优选量热仪肋片数的分析方法，对量热容器存在最佳气体空间体积的问题进行了分析论证。
The paper presents analysis method of optimizing fin -tube number, and discussion of optimal gas space in calorimeter.
实验结果为运用单位选用肋片管式换热器提供了依据。
The experiment results obtained can be used as the basis for adopting or designing new tube fin heat exchangers.
结果表明，采用当量椭圆简化矩形翅片使肋效率偏高，增加扰流孔则导致肋效率下降。
It shows that the calculation by applying equivalent ellipse will produce a value of fin efficiency on the high side and the fin efficiency decreases with the increase of disturbing flow holes.
本文应用等代有限元方法分析了高层建筑下的密肋片筏基础。
In this paper, a new method, called equivalent FEM, is used to analyze tall building raft foundation with closely distributed beams.
氨空气冷却器(冷风机)的关键部件是肋片管换热器。
The main parts of the ammonia air-coolers are finned tube heat exchangers.
研究了强制风冷中空气入口侧三角形肋片边缘形状对散热器换热性能和流动阻力的影响。
The effects of the air incoming velocity and the heat sinks structure on the comprehensive performance were investigated.
对结霜肋片的设计有一定的理论指导作用，并可以推广到其他类似的传热等问题中。
Frosting fin on the design of a theoretical guide. and it can be extended to other heat transfer problems of fin.
研究了空气流动速度、肋片排列方式以及几何尺寸对散热器综合换热性能的影响，并且以最小化F为目标函数优化了散热器。
The influence of air velocity, heat sink configuration and dimension on the heat transfer performance is studied. Minimum F is considered as objective function to optimize the heat sink.
低 温换热段肋片形状和肋片上的均压孔有利于烟气均匀流动和冷凝液的排除；
The shape of the rib of low-temperature heat transfer section and balanced holes on the rib are beneficial to homogeneous flow of flue gas and discharging of condensed fluid.
在弯道处布置放射状的肋片，能够非常好地增强换热。
Also, the ribs in the corners can significantly enhance the heat transfer.
在三维空间上的对流换热模拟表明，铜制的针肋结构的换热系数要高出百叶窗翅片24％-34％，而流阻仅高出10％-16％。
The 3-D numerical prediction proved that the copper pin fin structures have 24%-34% higher convection heat transfer coefficients with 10%-16% pressure drop increase.
考虑了工质对的吸附特性对脱附过程的影响，讨论了肋片数量、肋片物性参数、吸附床的有效导热系数、接触热阻等参数对脱附时间的影响。
With this model, effects of the number and materials of the fin, the effective thermal conductivity of the bed and the contact heat resistance on the performance are studied.
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