| 三维流场测定中五孔测针标定曲线的数学模型 |
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| 引用本文： | 刘雅俊,葛少成,刘剑.三维流场测定中五孔测针标定曲线的数学模型[J].辽宁工程技术大学学报(自然科学版),2000,19(5):458-461. |
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| 作者姓名： | 刘雅俊 葛少成 刘剑 |
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| 作者单位： | 辽宁工程技术大学,资环学院,辽宁,阜新,123000 |
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| 摘 要： | 分析了五孔测针标定曲线存在的问题，在最小二乘法基础上，建立了标定曲线的数学模型，完成了标定曲线的最优拟合，为三维流场的准确、自动测试奠定了理论基础。
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| 关 键 词： | 三维流场 矿井通风 五孔测针 标定曲线 数学模型 |
The Mathematical Model of Demarcated Curve of Measuring Needle with Five Holes in Measuring Three-dimensional Flow Field |
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| LIU Ya-jun,GE Shao-cheng,LIU Jian.The Mathematical Model of Demarcated Curve of Measuring Needle with Five Holes in Measuring Three-dimensional Flow Field[J].Journal of Liaoning Technical University (Natural Science Edition),2000,19(5):458-461. |
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| Authors: | LIU Ya-jun GE Shao-cheng LIU Jian |
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| Abstract: | The mathematical model on a series of demarcated curves of measuring needle with five holes which is one kind of pressure inducing elements is builded by using the method called minimal error square summation,which offers possibility for effectively using sensor technology and computer technology in axautomatic test of three dimensional flow field. |
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| Keywords: | three dimensional folw field pressure produing element leading air flow minimal error square summation optimal simulating multinomial |
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