Study on the Sample Holding Device in the Calorific Value Test of Alcohol-based Fuel
In order to prevent the sample volatilization in the calorific value test of alcohol-based fuel,which may lead to poor precision of the test results,the calorific value of alcohol-based fuel was determined by using a constant greenhouse automatic calorimeter,and the samples were respectively sealed with pharmaceutical capsules,polyethylene profile bottles and raw material belt sealing combustion dishes.The relative standard deviations of the three test datas were calculated through a large number of experiments.By analyzing the advantages and disadvantages of the three sample filling methods,a sample filling device that can effectively prevent sample volatilization and easily obtain in the process of sampling and testing of alcohol-based fuel is developed,which provides basic guarantee for the accurate detection of the calorific value of alco-hol-based fuel and promotes the wide use of alcohol-based fuel.
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