Results 31 to 40 of about 231,983 (247)

Parallel adaptive simulation of rotating detonation engines

, 2023
The rotating detonation engine is a promising realization of pressure gain combustion for propulsion and power generation systems. A rotating detonation engine running on ethylene-oxygen is simulated by using AMROC with a second-order accurate finite ...
Peng, Han, Deiterding, Ralf
core   +1 more source

Pressure Gain Characteristic of Continuously Rotating Detonation Combustion and its Influence on Gas Turbine Cycle Performance

IEEE Access, 2018
Considering the pressure gain characteristic of continuously rotating detonation (CRD) combustion, a rotating detonation gas turbine cycle was established using methane as fuel.
Lei Qi, Ningbo Zhao, Zhitao Wang, Jialong Yang, Hongtao Zheng   +4 more
doaj   +1 more source

Experimental Investigation of Detonation Propagation Modes and Thrust Performance in a Small Rotating Detonation Engine Using C₂H₄/O₂ Propellant

Energies, 2021
A small rotating detonation engine (RDE) model and the corresponding experimental setup were constructed for the experimental investigation of the detonation propagation characteristics and thrust performance of a circular RDE. Experiments were conducted
Hyung-Seok Han, Eun Sung Lee, Jeong-Yeol Choi   +2 more
doaj   +1 more source

Review on the Rotating Detonation Engine and It’s Typical Problems [PDF]

, 2020
Detonation is a promising combustion mode to improve engine performance, increase combustion efficiency, reduce emissions, and enhance thermal cycle efficiency.
Wolanski, Piotr, Zifei Ji, Qiaofeng Xie, Xie, Qiaofeng, Wen, Haocheng, Wang, Bing, Piotr Wolanski, Haocheng Wen, Ji, Zifei, Ren, Zhaoxin, Zhaoxin Ren, Bing Wang   +11 more
core   +2 more sources

Two-dimensional numerical study of two-phase rotating detonation wave with different injections

AIP Advances, 2019
Two-dimensional numerical simulations on the two-phase rotating detonation wave of a stoichiometric ratio of the air-octane mixture by the discrete phase model are performed.
Bo Sun, Hu Ma
doaj   +1 more source

Experimental study on the rotating detonation engine based on a gas mixture

Frontiers in Energy Research, 2023
A direct connection test of a rotating detonation engine was conducted. The outer and inner diameters of the annular combustors were 206 and 166 mm, respectively.
Sainan Xue, Xin Zhang, Jianlu Yang, Denghang Liu, Hu Ma, Changsheng Zhou   +5 more
doaj   +1 more source

Planar Reflection of Gaseous Detonation [PDF]

, 2013
Pipes containing flammable gaseous mixtures may be subjected to internal detonation. When the detonation normally impinges on a closed end, a reflected shock wave is created to bring the flow back to rest.
Jason Scott Damazo, Damazo, Jason Scott
core   +1 more source

Research Progress on Rotating Detonations of Liquid Hydrocarbon Fuels [PDF]

Hangkong bingqi
Detonation waves propagate at velocities exceeding 1 000 m/s, enabling the reactants to complete reaction without significant expansion, thereby an isochoric combustion process can be achieved.
Wang Ke, Yu Xiaodong, Zhang Zhenrui, Fan Wei
doaj   +1 more source

Simulations of Compressible, Diffusive, Reactive Flows with Detailed Chemistry Using a High-Order Hybrid WENO-CD Scheme [PDF]

, 2012
A hybrid weighted essentially non-oscillatory (WENO)/centered-difference (CD) numerical method, with low numerical dissipation, high-order shock-capturing, and structured adaptive mesh refinement (SAMR), has been developed for the direct numerical ...
Ziegler, John Lewis (Jack)
core   +1 more source

Numerical analysis on acoustic coupling of spinning detonation in a square tube

Journal of Thermal Science and Technology, 2016
We investigate spinning detonations propagating in a square tube using numerical simulations based on three-dimensional compressible Euler equations and the two-step-reaction model proposed by Korobeinikov et al. The dynamics of the simulation results is
Yuta SUGIYAMA, Akiko MATSUO
doaj   +1 more source