【摘要】 随着天然气贸易的发展,对天然气流量准确计量的要求越来越高。目前,孔板流量计仍是最主要的天然气流量计。综合分析了影响孔板流量计计量精度的主要因素,提出了提高孔板流量计计量精度的有效措施。更多还原

【Abstract】 With the development of natural gas trade, more and more accurate measurements of gas flow are required. At present, ori- fice flowmeter is still the major gas flowmeter. Comprehensively analyzed are the main factors that affect the measuring accuracy of the orifice flowmeter. Proposed are some effective measures to improve its measuring accuracy.更多还原