| EA-SAL修正涡旋齿端面积计算 |
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| 引用本文： | 强建国,刘振全.EA-SAL修正涡旋齿端面积计算[J].兰州理工大学学报,2006,32(5):36-39. |
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| 作者姓名： | 强建国 刘振全 |
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| 作者单位： | 1. 兰州理工大学,机电工程学院,甘肃,兰州,730050
2. 兰州理工大学,石油化工学院,甘肃,兰州,730050 |
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| 摘 要： | 以EA-SAL修正涡旋齿为对象研究其几何特性,定义了涡旋齿端面积,用解析法推出了修正部分和未修正部分齿端面积的计算公式,并进行了几何参数及齿端面积的实例计算.结果表明,基圆半径、渐开线起始角、起始修正角、修正圆弧半径及涡旋齿终止展角可作为涡旋齿的基本几何参数,修正后的齿端面积明显增大,使涡旋齿中心部分强度提高.
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| 关 键 词： | 涡旋压缩机 涡旋齿 EA-SAL修正 齿端面积 |
| 文章编号： | 1673-5196(2006)05-0036-04 |
| 收稿时间： | 2005-11-01 |
| 修稿时间： | 2005年11月1日 |
End cross-section area calculation of EA-SAL modified scroll wrap |
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| QIANG Jian-guo,LIU Zhen-quan.End cross-section area calculation of EA-SAL modified scroll wrap[J].Journal of Lanzhou University of Technology,2006,32(5):36-39. |
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| Authors: | QIANG Jian-guo LIU Zhen-quan |
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| Institution: | 1. College of Mechano-Electronic Engineering, Lanzhou Univ. of Tech. , Lanzhou 730050, China; 2. College of Petrochemical Technology, Lanzhou Univ. of Tech. , Lanzhou 730050, China |
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| Abstract: | Based on the EA-SAL modified scroll wrap,the geometric characteristics were studied and the end cross-section area of scroll wrap was defined.Using analytical method,the calculation formula of such area was obtained for the modified and non-modified portions of the scroll wrap. The calculation example of geometric parameters and the end cross-section area of the scroll wrap were presented.The result showed that the radius of the base circle,initial angle of the involute,initial modification angle,radius of modification arc,and involute ending angle could be the basic geometric parameters of the scroll wrap with EA-SAL modification.The end cross-section area of the modified scroll wrap was obviously enlarged so that the strength of the center portion of the scroll wrap was increased. |
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| Keywords: | scroll compressor scroll wrap EA-SAL modification end cross-section area |
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