ANALYSIS OF RESISTANCE CHARACTERS IN SINGLE ROW TUBE-BUNDLES OF DIRECT AIR-COOLED CONDENSER

SHI Lei1; XUE Haijun2; NIU Hongmin2; LIU Guoyin2 1.College of Civil Engineering

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ANALYSIS OF RESISTANCE CHARACTERS IN SINGLE ROW TUBE-BUNDLES OF DIRECT AIR-COOLED CONDENSER

Thermal Power Generation Vol. 39, Issue 5, Pages: 18-21(2010)

更新时间：2025-09-28

- ANALYSIS OF RESISTANCE CHARACTERS IN SINGLE ROW TUBE-BUNDLES OF DIRECT AIR-COOLED CONDENSER
- 作者机构：
  
  1. 北京交通大学土建学院
  2. 江苏双良空调设备股份有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU831.4
- Published：2010
- 稿件说明：
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SHI Lei1, XUE Haijun2, NIU Hongmin2, et al. ANALYSIS OF RESISTANCE CHARACTERS IN SINGLE ROW TUBE-BUNDLES OF DIRECT AIR-COOLED CONDENSER[J]. Thermal Power Generation, 2010, 39(5): 18-21.
DOI：

SHI Lei1, XUE Haijun2, NIU Hongmin2, et al. ANALYSIS OF RESISTANCE CHARACTERS IN SINGLE ROW TUBE-BUNDLES OF DIRECT AIR-COOLED CONDENSER[J]. Thermal Power Generation, 2010, 39(5): 18-21. DOI：

摘要

直接干式冷却(直冷)系统轴流风机的优化选型和设计

是空气供给系统设计的关键技术。轴流风机的风压主要取决于空气流经空气凝汽器时各部分的阻力。分析了空气流经空气凝汽器单排管(束)各部分时产生阻力的原因

确定了单排管束各部分的阻力系数和静压变化规律

为进一步确定空气流经空气凝汽器倾斜"A"型管束时的各部分阻力奠定了基础

可作为直冷系统优化设计的依据。

Abstract

The optimization of type-selection and design for axial-flow air fans in the direct air-cooled system is the key technology in air-supply system design.The air pressure of axial-flow air fan is mainly determined by air flow passing through the direct air-cooled condenser (DACC).The causes resulting in resistance while the air flow passing through every part of the single row tube-bundle have been analysed

the variation regularity of resistance coefficient and static pressure in every part of the single row tube-bundle being determined

laying foundation for further determining the resistance in every part while air flow passing through the tilted "A" type DACC

providing basis for optimization design of the DACC.

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