Search Results - "Tsuboi, Nobuyuki"

Numerical study on unsteady characteristics of high-pressure hydrogen jet ejected from a pinhole by Asahara, Makoto, Iwasa, Toshihiro, Tsuboi, Nobuyuki, Hayashi, A. Koichi

“…The aim of this study was to delineate the unsteady fluid dynamics of the high-pressure hydrogen jet to clarify the relationship between the forced ignition…”
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Numerical estimation of the thrust performance on a rotating detonation engine for a hydrogen–oxygen mixture by Tsuboi, Nobuyuki, Watanabe, Yusuke, Kojima, Takayuki, Hayashi, A. Koichi

“…The numerical simulations of 2D and 3D rotating detonation engines for a hydrogen–oxygen mixture are performed using a detailed chemistry model. The comparison…”
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Validation of Soave–Redlich–Kwong equation of state coupled with a classical mixing rule for sound speed of non-ideal gas mixture of oxygen-hydrogen as liquid rocket propellants by TAKAHASHI, Ryuji, TSUBOI, Nobuyuki, TOKUMASU, Takashi, TSUDA, Shin-ichi

“…Numerical simulations of inlet jets flow of propellants in the main combustion chamber equipped in a liquid rocket engine have been conducted by compressible…”
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Three-Dimensional Numerical Simulation of a Rotating Detonation Engine: Effects of the Throat of a Converging-Diverging Nozzle on Engine Performance by Eto, Seiichiro, Tsuboi, Nobuyuki, Kojima, Takayuki, Hayashi, A. Koichi

“…The effect of a converging-diverging nozzle on the performance of a rotating detonation engine was estimated using three-dimensional numerical simulations with…”
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Numerical analysis on auto-ignition of a high pressure hydrogen jet spouting from a tube by Yamada, Eisuke, Watanabe, Satoru, Hayashi, A. Koichi, Tsuboi, Nobuyuki

“…In this study, a direct numerical simulation based on compressible flow dynamics has been applied to the autoignition and extinction of a high-pressure…”
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Numerical simulation of H2/air detonation using unstructured mesh by Togashi, Fumiya, Löhner, Rainald, Tsuboi, Nobuyuki

“…To explore the capability of unstructured mesh to simulate detonation wave propagation phenomena, numerical simulation of H 2 /air detonation using…”
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Limits of classical molecular simulation on the estimation of thermodynamic properties of cryogenic hydrogen by Nagashima, Hiroki, Tokumasu, Takashi, Tsuda, Shin-ichi, Tsuboi, Nobuyuki, Koshi, Mitsuo, Hayashi, A. Koichi

“…In this study, we investigated the limits of classical molecular simulation on the estimation of thermodynamic properties of cryogenic hydrogen. Three…”
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Energy release effect of mixture on single spinning detonation structure by Tsuboi, Nobuyuki, Hayashi, A. Koichi, Koshi, Mitsuo

“…Unsteady three-dimensional numerical simulation on a single spinning detonation in a circular tube are presented in order to understand the effects of energy…”
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Three-dimensional numerical simulation for hydrogen/air detonation: Rectangular and diagonal structures by Tsuboi, Nobuyuki, Katoh, Seiji, Hayashi, A. Koichi

“…Unsteady three-dimensional simulations of hydrogen/air detonations in a rectangular tube have been performed using a detailed chemical kinetics model to reveal…”
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Numerical simulation of spinning detonation in square tube by Tsuboi, Nobuyuki, Asahara, Makoto, Eto, Keitaro, Hayashi, A. Koichi

“…A single spinning detonation wave propagating in a square tube is simulated three-dimensionally with the detailed chemical reaction mechanism for hydrogen/air…”
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Numerical study on three-dimensional C-J detonation waves: detailed propagating mechanism and existence of OH radical by Eto, Keitaro, Tsuboi, Nobuyuki, Hayashi, A. Koichi

“…An unsteady three-dimensional simulation is performed for a hydrogen/air C–J detonation in a rectangular tube, where a detailed chemical reaction model is used…”
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A molecular dynamics calculation of the fluctuation structure in the diatomic fluids around the critical points by Masato TOMI, Shohei IKAWA, Nobuyuki TSUBOI, Takashi TOKUMASU, Shinichi TSUDA

“…The principle of corresponding state on the fluctuation structure, which is the spatial distribution of various clusters of molecules caused by density…”
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Three-dimensional numerical simulation of detonations in coaxial tubes by Tsuboi, Nobuyuki, Daimon, Yu, Hayashi, A. Koichi

“…Three-dimensional numerical simulation of detonations in both a circular tube and a coaxial tube are simulated to reveal characteristics of single spinning and…”
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Influence of tube cross-section geometry on high-pressure hydrogen-flow-induced self-ignition by Asahara, Makoto, Yokoyama, Akinori, Tsuboi, Nobuyuki, Hayashi, A. Koichi

“…Self-ignition within a cylindrical tube that discharges high-pressure hydrogen results in flame formation. Because rectangular tubes are used to visualize…”
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Investigation of liquid n-heptane/air spray detonation with an Eulerian-Eulerian model by Jourdaine, Nicolas, Tsuboi, Nobuyuki, Hayashi, A. Koichi

“…A two-dimensional numerical simulation of detonation in a reactive dispersed liquid droplet cloud is performed with an Eulerian-Eulerian method. This study…”
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Three-dimensional numerical thrust performance analysis of hydrogen fuel mixture rotating detonation engine with aerospike nozzle by Jourdaine, Nicolas, Tsuboi, Nobuyuki, Ozawa, Kohei, Kojima, Takayuki, Koichi Hayashi, A.

“…The propulsive performance for an H2/O2 and H2/Air rotating detonation engine (RDE) with conic aerospike nozzle has been estimated using three-dimensional…”
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Numerical investigation of a high pressure hydrogen jet of 82 MPa with adaptive mesh refinement: The starting transient evolution and Mach disk stabilization by Tang, Xinmeng, Asahara, Makoto, Hayashi, A. Koichi, Tsuboi, Nobuyuki

“…A three-dimensional (3D) strongly under expanded hydrogen jet flow is numerically investigated with a storage pressure of 82 MPa and a tiny jet orifice…”
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Numerical investigation of three deflagration-to-detonation transition conditions related to the velocity of the spontaneous reaction wave by Tang, Xinmeng, Dziemińska, Edyta, Hayashi, A. Koichi, Tsuboi, Nobuyuki

“…In this work, the deflagration-to-detonation transition (DDT) process in a tube filled with quiescent and stoichiometric hydrogen/oxygen mixture is numerically…”
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Numerical investigation of a high pressure hydrogen jet of 82 MPa with adaptive mesh refinement: Concentration and velocity distributions by Tang, Xinmeng, Dzieminska, Edyta, Asahara, Makoto, Hayashi, A. Koichi, Tsuboi, Nobuyuki

“…To investigate the safety properties of high-pressure hydrogen discharge or leakage, an under-expanded hydrogen jet flow with a storage pressure of 82 MPa from…”
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Two-Dimensional Numerical Simulation of Detonation Transition with Multi-Step Reaction Model: Effects of Obstacle Height by Ago, Ayu, Tsuboi, Nobuyuki, Dzieminska, Edyta, Hayashi, A. Koichi

“…The numerical simulations on DDT (Deflagration-to-Detonation Transition) in the two-dimensional channel with the repeated obstacles using multi-step reaction…”
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