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本文介绍了标准绝热型弹式热量计的基本原理及其结构,叙述了用该仪器测定纯甲烷弹热值的方法。对四个钢瓶高纯甲烷的热值进行了测定并考察了稳定性,总不确定度为0.2％,与ISO公布的甲烷热值在0.1％以内一致。
This paper introduces the basic principle and structure of a standard adiabatic bomb calorimeter, and describes the method for measuring the pure methane elasticity with this instrument. The calorific value of high purity methane from four cylinders was measured and the stability was investigated. The total uncertainty was 0.2%, which is in line with ISO published methane heat value within 0.1%.