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isentropic exponent

exposant isentropique

technologie et réglementation technique - iate.europa.eu

The ratio between cp and cV is called the isentropic exponent or adiabatic exponent, К, and is a function of the number of atoms in the molecules of the substance.

Le ratio entre cp et cV s'appelle exposant isentropique ou exposant polytropique, К, et est fonction du nombre d'atomes dans les molécules de la substance.

général - CCMatrix (Wikipedia + CommonCrawl)

Cylinder pressures (p) before and after fuel combustion can be determined by means of the equation with the corresponding isentropic exponents (ψ) and corresponding constants.

Les pressions (p) dans le cylindre avant et après la combustion du carburant peuvent être ensuite déterminées au moyen de l'équation avec l'exposant isentropique (ψ) respectif et la constante correspondante.

industrie mécanique - wipo.int

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Detonation product equation-of-state directly from the cylinder test... Using the HMX-based explosive PBX9501 as an example, the method makes a good prediction of the detonation pressure and the basic form of {gamma}, the isentropic exponent....

général - core.ac.uk - PDF: digital.library.unt.edu

Physical simulation of rocket exhaust aerodynamics using heated ethane: conceptual foundations... By adjusting stagnation temperature, the isentropic exponent of ethane can be tuned to approximate those produced by common rocket propellants including hydrogen, hypergols, alcohols, and hydrocarbons....

PDF: hdl.handle.net

A general method for automatic computation of equilibrium compositions and theoretical rocket performance of propellants /... In addition to the equilibrium composition, temperature, and pressure, the program calculates specific impulse, specific impulse in vacuum, characteristic velocity, thrust coefficient, area ratio, molecular weight, Mach number, specific heat, isentropic exponent, enthalpy, entropy, and several thermodynamic first derivatives."NASA...

PDF: www.hathitrust.org

Theoretical rocket performance of jp-4 fuel with several fluorine-oxygen mixtures assuming frozen composition /... The parameters included are specific impulse, combustion-chamber temperature, nozzle-exit temperature, molecular weight, characteristic velocity, coefficient of thrust, ratio of nozzle-exit area to throat area, specific heat at constant pressure, isentropic exponent, viscosity, and thermal conductivity....

PDF: www.hathitrust.org