Mass-flux and shock calculations through cryogenic homogeneous two-phase nozzle flow

Akmandor, IS
Nagashima, T


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Hydrogenated amorphous silicon nitride-based heterojunction pin diode was electroformed under sufficiently high forward bias stress leading to its instant nanocrystallization at room temperature. In order to investigate the origin of the accompanying bright visible light emission, current-voltage and electroluminescence (EL) characteristics of the electroformed diode were scanned over temperature. Electrical transport mechanism was analysed in the low, medium and high electric field regimes. Temperature and...
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Planar nonpolar (11 (2) over bar0) a-plane GaN thin films were grown on (11 (2) over bar0) a-plane 6H-SiC substrates via metalorganic chemical vapor deposition by depositing a high temperature AlN buffer layer prior to the epitaxial GaN growth. The orientation of the GaN film and AlN buffer layer directly match that of the SiC substrate, as determined by on- and off-axis X-ray diffraction measurements. The morphological evolution of GaN grown on the AlN buffer layers was investigated using atomic force micr...
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Atilgan, I; Ozdemir, O; Akaoglu, B; Sel, K; Katircioglu, B (Informa UK Limited, 2006-07-01)
An intrinsic, carbon- rich a- SiCx: H thin film, prepared by the plasma- enhanced chemical vapour deposition ( PECVD) technique, has been studied mainly by AC admittance and small- pulse deep- level transient spectroscopy ( DLTS) measurements on an Al/ a- SiCx: H/ p- Si metal - insulator - semiconductor ( MIS) structure. The effects of measurement temperature, voltage and small- signal AC modulation frequency on the MIS capacitor are qualitatively and quantitatively described. The kinetics of charge injecti...
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ERDEN, E.; Rafatov, İsmail (Wiley, 2014-08-01)
A parallel Particle in Cell/Monte Carlo Collision (PIC/MCC) numerical code for glow discharge plasma simulations is developed and verified. This method is based on simultaneous solution of the Lorentz equations of motion of super particles, coupled with the Poisson's equation for electric field. Collisions between the particles are modelled by the Monte Carlo method. Proper choice of particle weighting is critically important in order to perform adequate and efficient PIC simulations of plasma. Herein, effe...
Citation Formats
I. Akmandor and T. Nagashima, “Mass-flux and shock calculations through cryogenic homogeneous two-phase nozzle flow,” JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER, pp. 452–455, 2000, Accessed: 00, 2020. [Online]. Available: