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目录
摘要 ·························································· 3
1 轴流式风机概述
轴流式风机的工作原理········································· 1
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············································· 2
2通风机性能参数
·································· 4
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3 通风机空气动力性能的实验室测定
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4 通风机性能测试实验
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5 通风机现场试验··············································· 25
总结····························································· 26
参考文献························································28
主要符号
Q - - - - - - - - - - - - - - - - - - - - - - 通风机流量 (m/s )
P - - - - - - - - - - - - - - - - - - - - - - 全压 ( N/m)
P- - - - - - - - - - - - - - - - - - - - - - 动压 ( N/m)
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P- - - - - - - - - - - - - - - - - - - - - - 静压 ( N/m)
N- - - - - - - - - - - - - - - - - - - - - - 轴功率
- - - - - - - - - - - - - - - - - - - - - - 全压效率
- - - - - - - - - - - - - - - - - - - - - - 静压效率
D - - - - - - - - - - - - - - - - - - - - - - 风管直径
P- - - - - - - - - - - - - - - - - - - - - - 大气压力 ( P)
A - - - - - - - - - - - - - - - - - - - - - - 风管面积 ( m)
- - - - - - - - - - - - - - - - - - - - - - 空气温度 ( K )
- - - - - - - - - - - - - - - - - - - - -空气密度 ( kg/m)
轴流风机的性能测定
摘要
通风机是电厂中重要的辅机之一，其运行安全性和经济性尤为重要，通风机性能实验是保证通风机质量和获得通风机性能特性的一项重要工作。所以使用前对通风机性能进展测试是必不可少的。
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通风机性能试验，包括空气动力性能试验和噪声性能实验两局部。通风机性能试验的目的，在于通过测试与计算，求得风机在给定转速下的流量、压力、所耗功率、效率、噪声等是否达到设计规定的要求，并绘制其特性曲线。
关键词：轴流式通风机、性