The mathematic model and boundary conditions for a finned cross-flow heat exchanger were described.
给出了无量纲换热能量方程组及边界条件和初始条件。
The thermal performance of moist air cross flow heat exchanger with two fluids unmixed has been studied.
本文分析研究两种流体互不混合的湿空气交叉流式热交换器的热性能。
The distribution of the temperature field and flow field in longitudinal-flow heat exchanger is explored by numerical method.
采用数值模拟方法，研究了纵流式换热器和折流板式换热器流场和温度场的分布。
Based on it, the concrete application of the derivation constraint optimization method of multi-flow heat exchanger network is analyzed and discussed.
在此基础上，重点分析和讨论了多股流换热器网络的衍生约束优化方法的具体运用。
Therefore, the influence of centrifugal buoyancy on the heat transfer performance of tube-shell heat exchanger with swirling flow was not negligible.
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。
Heat flow bypass valve through the heat and cold coolant of coolant mixed to make the air-freeze agent in the heat exchanger coolant temperature constant.
热气流旁通阀通过将热冷冻剂与冷的冷冻剂混合，使空气-冷冻剂热交换器中的冷冻剂温度保持恒定。
IFA300 isothermal HWFA is used to measure and study the turbulent flow in hot air channels of a heat exchanger.
采用IFA300恒温式热线风速仪对换热器热气通道内的湍流流动进行了测试研究。
The heat tranfer and pressure drop performance of cross flow longitudinally finned tube banks heat exchanger are reported.
结果表明，纵助管束具有低流阻特性和较强的传热强化作用。
A mathematical model was developed to investigate mass flow rates in the heat transfer pipes of the air side heat exchanger with and without distribution pipes for an air source heat pump.
建立分液管和换热器的数学模型，对空气源热泵风侧换热器在有、无分液管的情况下的各盘管中质量流量分配问题分别进行研究。
Expatiate water-cycling mode for large CFB hot-water boiler, water flow path and heat-exchanger surface structural design.
阐述了大型循环流化床热水锅炉的水循环方式、水流程及受热面结构设计布置。
Flow fields were simulated by mathematical software between two corrugated plates in a chevron-type plate heat exchanger.
应用数值计算软件对人字形波纹板式换热器内板片间的流场进行了模拟。
The heat transfer and flow resistance performance of corrugated tube heat exchanger were examined by oil, water, and steam.
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 system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型，以及压缩机和膨胀阀的稳态流动模型。
The parallel-flow type condenser is a new type of high coefficient and compact heat exchanger, being popular in the auto air-conditioning but not in the residential airconditionings.
平行流冷凝器是一种新型高效紧凑式换热器，目前主要应用于汽车空调中，但对其应用于家用空调器中的研究较少。
The smooth plastic strip can not apply to auto-cleanout of low velocity of flow in heat exchanger in existence.
现有塑料光滑螺旋扭带不能用于低流速传热设备的自动清洗。
Process refers to a medium plate heat exchanger in a set of parallel flow, flow direction and flow within the dow plate heat exchanger, consisting of two adjacent plate medium flow channel.
流程指板式换热器内一种介质同一流动方向的一组并联流道，而流道指板式换热器内，相邻两板片组成的介质流动通道。
Calculating natural frequencies of the heat exchanger tube is an essential step in predicting its potential for flow induced vibration failure.
在预测管壳式换热器的振动时，准确地计算换热管的自振频率是非常重要的。
This paper provides a method to evaluate the economic flow velocity and to achieve the optimal design of heat exchanger, when the configuration of heat exchanger is initially decided.
基于换热器总费用最低的原则，在初定换热器结构形式后，提供了一种计算最佳流速，进而优化换热器设计的方法。
A calculation method is presented for heat transfer and flow resistance of a spiral plate heat exchanger for the gas-liquid.
提出了螺旋板式换热器用于气-液热交换时的流动阻力以及传热设计的计算方法。
The irreversibility of heat transfer and fluid flow in regenerative he at exchanger was analyzed, and the number of entropy generation units was introduced.
分析了蓄热式热交换器传热和流动过程的不可逆性，提出了熵产数的概念。
The heat transfer performance of the boiler gas in a plastic longitudinal flow spiral heat exchanger was investigated experimentally.
实验研究了锅炉烟气在轴流式塑料螺旋板空气预热器中的传热特性。
It is difficult to enhance the capacity of the traditional heat exchanger in high power oscillating flow systems due to the restriction from length, area et al.
交变流动系统中的传统换热器由于受到长度、换热面积和其它因素的限制，往往难以进一步强化换热，在大功率系统中应用受到限制。
The proposed method enables to simulate complex flow induced vibration occurring in heat exchanger tube bundles at sub-critical Reynolds number.
研究结果为亚临界雷诺数范围内热交换器管束的复杂流体诱导振动等问题提供了一种可能的计算方法。
The difference of liquid levels between the direct contact heat exchanger and the depositing pool is used as the diving force of the water flow.
整个系统在运行过程中以直接接触换热器与沉淀池的液位差作为循环动力。
For both crossed-flow in dense phase heat exchanger and NSP kiln, low limitation for gas speed must be noticed to prevent from or to reduce materials accumulation or collapse.
无论交叉流浓相换热器，还是传统NSP窑，必须注重低限风速的意义，防止或减少积料、塌料现象的发生；
The regulation mode of variable flow heat-supply system where the plate heat exchanger is used as heat exchange device in substation is discussed.
探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
A three dimensional thermal-hydraulic model is developed for the analysis of fluid flow and heat transfer in shell-and-tube heat exchanger.
提出了一种管壳式换热器壳程单相流动和传热的三维模拟方法。
However due to the complexity in the structure of the heat exchanger, the detailed information of the fluid flow and heat transfer in the shell side can scarcely be described.
但限于换热器结构的复杂性，其壳程流体的流动和换热细节信息还不甚清楚。
The shell side of the rod baffle heat exchanger is so complicated that the flow field and enhanced heat transfer mechanism of the shell side cannot be commentated by the theoretical method.
折流杆换热器壳程结构复杂，用理论方法难以获得壳程流体流动和强化传热机理。
The shell side of the rod baffle heat exchanger is so complicated that the flow field and enhanced heat transfer mechanism of the shell side cannot be commentated by the theoretical method.
折流杆换热器壳程结构复杂，用理论方法难以获得壳程流体流动和强化传热机理。
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