Open AccessOn the equation of state of propellant gases
Publication year - 1931
Publication title -
philosophical transactions of the royal society of london. series a, containing papers of a mathematical or physical character
Language(s) - English
Resource type - Journals
eISSN - 2053-9258
pISSN - 0264-3952
DOI - 10.1098/rsta.1932.0002
Subject(s) - propellant , explosive material , work (physics) , enclosure , equation of state , kinetic energy , thermodynamics , mechanics , energetic material , materials science , nuclear engineering , aerospace engineering , chemistry , physics , computer science , engineering , classical mechanics , telecommunications , organic chemistry
Comparatively little experimental work has been carried out with modern apparatus in connection with the measurement of pressures developed by the gases resulting from the explosion of colloidal propellants. PETAVEL,* using Service cordite, Mark I, has made observations of the effect on the recorded pressures of the nature of the enclosure and of the rate of pressure rise for low densities of loading. More recently, MURAOUR and BURLOT in France have conducted experiments at higher densities of loading and with a variety of differing propellant compositions. The present investigation was undertaken with a view to extending the work of PETAVEL to wider and more stringent conditions, and to formulating an explicit expression for the equation of state. The work has necessitated the design of special recording apparatus ; and the procedure has been to measure the pressures given by various explosives at various densities of loading, to derive from these the pressures that would have been observed had there been no energy losses, and to compare the values so derived with those ascertained from the propellant compositions, using relevant kinetic and thermo-dynamical data.