Abstract
Based on the theory of determining heat values using an oxygen bomb combustion method, a data analysis system for oxygen bomb combustion was developed using MATLAB visual programming technology. This system can analyze data for the combustion and enthalpy of the decomposition for organic materials, the enthalpy of formation of volatile liquid materials such as gasoline, aviation kerosene, alcohol, and benzene, as well as for materials having lower heat values such as honey and ethanol, and even complex solid materials such as coal, sludge, waste, architectural materials, and concrete. This new data analysis system can very accurately determine the temperature variation in combustion, and then display the interrelated data on a display screen. Practical mathematical models and methods are listed in the paper. Our research will prove valuable for developing new applications for oxygen bomb technology and solving practical problems involving thermodynamics.
Highlights
Oxygen bomb calorimetry can be used to determine enthalpy values of many substances. This method is of great value in various manufacturing enterprises and has been a classic thermochemical experiment in physical chemistry laboratory courses at all levels [1, 2]
We report the development of a practicable oxygen bomb combustion data analysis system (OBDAS) that can improve the basic thermodynamic database and improve the effectiveness of the oxygen bomb combustion technique
We developed a data analysis system using MATLAB
Summary
Oxygen bomb calorimetry can be used to determine enthalpy values of many substances. This method is of great value in various manufacturing enterprises and has been a classic thermochemical experiment in physical chemistry laboratory courses at all levels [1, 2]. Applicable fields of use include chemical analysis but almost any other application where determining the enthalpy of reactions or energy content of a substance [3,4,5,6,7,8] is required. The conventional method is to draw a temperature-time (T-t) curve. This approach is time-consuming and subject to excessive errors. We report the development of a practicable oxygen bomb combustion data analysis system (OBDAS) that can improve the basic thermodynamic database and improve the effectiveness of the oxygen bomb combustion technique
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