Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Ron J. Litchford"'
Publikováno v:
Journal of Thermophysics and Heat Transfer. 24:381-387
A computational conjugate heat transfer methodology was developed, as a first step towards an efficient and accurate multiphysics, thermo-fluid computational methodology to predict environments for hypothetical solid-core, nuclear thermal engine thru
Autor:
Ron J. Litchford, Xiaoqing (Cathy) Qian, Zhengtao Deng, Valentine A. Bityurin, John Lineberry, John Foote
Publikováno v:
International Journal of Fluid Mechanics Research. 36:64-79
Publikováno v:
Journal of Propulsion and Power. 21:900-907
An inductive probing scheme, originally developed for shock tube studies, has been adapted to measure explosive plasma jet conductivities. In this method, the perturbation of an applied magnetic field by a plasma jet induces av oltage in a search coi
Autor:
Ron J. Litchford
Publikováno v:
Journal of Propulsion and Power. 20:742-750
The theoretical performance of diagonal conducting wall crossed-field accelerators is examined on the basis of an infinite segmentation assumption using a cross-plane averaged generalized Ohm s law for a partially ionized gas, including ion slip. The
Publikováno v:
Journal of Propulsion and Power. 17:477-480
The prospects for realizing a magnetohydrodynamic (MHD) bypass hypersonic airbreathing engine are examined from the standpoint of fundamental thermodynamic feasibility. The MHD-bypass engine, first proposed as part of the Russian AJAX vehicle concept
Publikováno v:
Journal of Propulsion and Power. 16:251-262
A series of laboratory-scale experiments were conducted to investigate the basic engineering performance characteristics of a pulse detonation-driven magnetohydrodynamic electric power generator. In these experiments, stoichiometric oxy-acetylene mix
Autor:
Ron J. Litchford
Publikováno v:
43rd AIAA Plasmadynamics and Lasers Conference.
A MW-class electrothermal arcjet based on a water-cooled, wall-stabilized, constricted arc discharge configuration was subjected to extensive performance testing using hydrogen and simulated ammonia propellants with the deliberate aim of advancing te
Autor:
Ron J. Litchford
Publikováno v:
42nd AIAA Plasmadynamics and Lasers Conference.
A MW-class hydrogen arcjet based on a water-cooled, wall-stabilized, constricted arc discharge configuration was subjected to extensive performance testing with the deliberate aim of advancing technology readiness level for potential space propulsion
Publikováno v:
42nd AIAA Plasmadynamics and Lasers Conference.
[Abstract] Electromagnetic control of shockwaves provides a new way to active thermal management and guidance control for the most critical stage of atmospheric entry of hypersonic vehicles. A series of measurement of shockwave formation and location
Autor:
Wim M. Ruyten, Ron J. Litchford
Publikováno v:
Applied optics. 34(21)
A digital imaging technique has been developed for optical emission spectroscopy measurements of a 1.6-kW hydrogen arcjet plume. Emissions from the Balmer α and β transitions of excited atomic hydrogen were measured with a computer-controlled red-g