排灌机械工程学报
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Journal of Drainage and Irrigation Machinery Engin  2015, Vol. 33 Issue (12): 1049-1055    DOI: 10.3969/j.issn.1674-8530.15.0081
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An approximate analytical method of gas film pressure in non-parallel gap of spiral groove dry gas seal
SONG Pengyun1, LI Ying2, MA Ailin1
1.Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650500, China; 2.South China Branch, Sinopec Sales Co. Ltd., Kunming, Yunnan 650500, China

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