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< Natural Gas and Oil > Editorial Department
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China Petroleum Engineering & Construction Corporation
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Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
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610041
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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2011 Vol.3

    Re-circulation Design Technology for Natural Gas Flow Meter
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    Author's Workplace：
    Key Words： Natural gas； Flow metrology； Verification facility； Re-circulation design
    Abstract：In order to enhance and ensure the measuring accuracy of gas flow meter， natural gas flow meter verification facilities have been established at home and abroad. As a new technology of gas flow meter calibration and verification， re-circulation design has been applied in the field of natural gas flow meter verification and the technology is becoming more and more mature. But so far， there is still no natural gas flow meter verification facility adopting re-circulation design and relative key technologies in China. Pointed out are differences between re-circulation design and direct discharge design of such gas flow meter verification facility and introduced and compared are gas flow meter verification and calibration facilities with re-circulation design in the world， analyzed are fundamental elements of such facilities，　their functions and basic flow progress， discussed are some key technologies of the facilities， which has important reference values for re-circulation design of gas flow meter verification facilities.
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