通风机效率测算误差分析  

Analysis of Errors in Measurement and Calculation of Fan Efficiency

作　　者：傅培舫[1] 叶汝陵[1] 陈家清[1] 

机构地区：[1]煤炭科学研究总院重庆分院

出　　处：《煤炭工程师》1998年第4期15-18,共4页

摘　　要：探讨了通风机效率测算过程中的构造误差、原理误差和动态误差的来源及影响程度；提出了测定有关参数所需仪器仪表的精度要求和系统误差的避免方法。Abstract The sources and affecting degree of errors in construction,principle and dynamics during the measurement and calculation of fan efficiency was studied.The precision of instruments and meters in measuring related parameters and the method to avoid system error were proposed.

关 键 词：效率 测定 误差分析 通风机 设计 

分 类 号：TD441.02[矿业工程—矿山机电]