Parameters design of artificial cooling for an arch dam

A one dimensional ablation model with transpiration cooling control and nonlinear effect is studied, which is a distributed parameter control system with moving boundary and both governing equation and boundary conditions involving control variable.

本文研究了具有发汗冷却控制的一维烧蚀模型和非线性影响。这是一类具有活动边界的分布参数控制系统问题，且在方程与边界条件中同时出现控制变量。

The Solution of a Ablation Transpiration Cooling Control System

烧蚀发汗冷却控制系统的解

Screw compressor interstage cooler is widely used in the petroleum, chemical and other production process.

螺杆式压缩机系统中的冷却器在石油、化工等生产过程中应用很广泛。

On the basis of historical records of maintenance and operation, abnormal vibration of DH air compressor was analyzed using frequency spectrum analysis method. It was found that the rust was washed off from interstage cooler into the flow passage of impeller to cause imbalance.

结合历次检修及运行记录，利用频谱分析方法对DH型空气压缩机的异常振动进行分析，判定出产生振动异常的原因为级间冷却器的锈蚀物冲刷至叶轮流道上造成不平衡。

Numerical simulation of finned-tube air cooler with many rows

多排数翅片管空冷器风阻特性的数值模拟

N experimental investigation was conducted for the air drag characteristics of a finned tube air cooler with 16 rows, 26 rows, and 32 rows respectively, and the results were compared with the calculating results of the calculating formulae of the common air drag of air coolers.

对管排数分别为16排、26排和32排的翅片管空气冷却器风侧阻力特性进行了试验研究，并将其试验结果与空气冷却器常用风阻计算公式的计算结果进行了比较与分析。

The purpose of this paper is to present one kind of a viable structural design of elliptical finned tube evaporative cooler, and to promote the application of the technology in the engineering fields, though the research between the existing theory and experimental data.

本文目的是通过对现有理论和试验数据的研究，提出了一种可行的椭圆翅片管蒸发冷却器结构设计，促进该技术在工程领域中的应用。

The elliptical finned tube evaporative cooler is an efficient and energy saving refrigeration equipment that gets cooling capacity from nature directly, no use of CFCs and no environmental pollution.

椭圆翅片管蒸发冷却器是一种直接从自然界获取冷量、不使用CFCs、无环境污染的高效节能的制冷装置。

Analysis of Simultaneous Heat and Mass Transfer during Drying of Porous Solid Heat and mass transfer of moist air on a finned air cooler and fin efficiency

含湿多孔生物材料干燥过程的传热传质分析湿空气在肋片表冷器上的传热传质及肋片效率

The content of the study can be summarized as below. 1. The finned radiation cooler was designed and explored.

主要内容包括：1、对翅片辐射降温器的设计方法进行了探索。

The strip shields also have the disadvantage of requiring regular cleaning. finned air cooler

片状冷却片也有缺点，就是需要定期清洗。带散热片的空气冷却器

The Reasons and Solving Measures for the Increased Resistance of the Horizontal Pipe Primary Cooler of the Chemical Products Workshop

化产车间横管初冷器阻力升高的原因及解决措施

Study of Heat Transfer about Heat Pipe Type Cooler of Semiconductor Refrigerating Element

半导体制冷的热管式散热器传热研究

Improvement on Liquid Spraying System of Horizontal Pipe Primary Cooler

横管初冷器液体喷洒系统的改进

New supporting equipment of primary air pipe in cooler for calculation

焙烧冷却机主风管的新型支撑装置

It was testified that CFD was a powerful tool to design and optimize the flow field in a cold store. Brief Talk on Heating Design of Using Waste Heat of Lateral Pipe Cooler Cooling Water

研究表明数值模拟在冷藏库流场优化设计中的应用切实可行而且优势显著。浅析横管冷却器冷却水余热采暖设计

Brief Talk on Heating Design of Using Waste Heat of Lateral Pipe Cooler Cooling Water

浅析横管冷却器冷却水余热采暖设计

Design and Check Calculation of Surface Air Cooler Based on Excel

基于Excel的水冷式表冷器设计和校核计算

Therefore, In allowing water resistance range, Parallel-flow heat exchanger can improve heat transfer efficiency and will be better choice for surface cooler in dry conditions through the reasonable multipaths designed.

因此，在允许水阻范围内，通过合理多流程设计，平行流换热器用于干工况作表冷器可以实现强化换热。

Based on the analysis of cooling capacity and water flow at load side ( surface cooler), provides control strategies for combined chillers with different number and other links.

根据对负荷侧（表冷器）冷量和流量特性的分析，给出不同冷水机组台数组合时的控制方案和其他环节的控制策略。