Results 11 to 20 of about 121,749 (306)

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

Wernher Von Braun’s Pioneering Work in Modelling and Testing Liquid-Propellant Rockets [PDF]

INCAS Bulletin, 2022
This paper presents a view on how Dr. Wernher Von Braun laid the basis for realistic modelling and testing liquid-propellants rockets, by his PhD Thesis – a secret document in 1934, which remained classified until 1960.
Nicolae-Florin ZAGANESCU, Rodica ZAGANESCU, Constantin-Marcian GHEORGHE   +2 more
doaj   +1 more source

Experimental Study on Flame Response Characteristics of a Non-Premixed Swirl Model Combustor

Energies, 2023
Non-premixed swirl combustion has been widely used in pieces of industrial combustion equipment such as industrial boilers, furnaces, and certain specific gas turbine combustors.
Chen Yang, Yong Liu, Xiang Zhang, Hao Li, Xinkun Ge, Feng Jin, Chongyang Liu   +6 more
doaj   +1 more source

Thermodynamic Limits of Work and Pressure Gain in Combustion and Evaporation Processes [PDF]

, 2002
Combustion and evaporation processes occurring in a closed chamber can result in significant pressure rise and direct work transfer. The pressure and volumetric changes that accompany such processes allow substantial work potential to be achieved in ...
Nalim, M. Razi
core   +1 more source

Direct-Connect Test of Solid Scramjet with Symmetrical Structure

Energies, 2021
The solid scramjet has become one of the most promising engine types. In this paper, we report the first direct-connect test of a solid scramjet with symmetrical structure, carried out using boron-based fuel-rich solid propellant as fuel. During the test,
Pengnian Yang, Zhixun Xia, Likun Ma, Binbin Chen, Yunchao Feng, Chaolong Li, Libei Zhao   +6 more
doaj   +1 more source

Performance Modelling of a Pressure Gain Combustion Aircraft Engine

AIAA SCITECH 2024 Forum, 2023
As the gas turbine designs used today are reaching the limits of their performance, despite various optimization techniques adopted in recent years, the need arises for new types of propulsion devices. Pressure Gain Combustion (PGC) technology is an actively pursued area of innovation for gas turbine cycles that can be implemented in aerospace ...
Purushothaman, Sreenath, Sorce, Alessandro, Traverso, Alberto, Gaillard, Thomas, Davidenko, Dmitry   +4 more
openaire   +2 more sources

Enhancing Propulsion Efficiency: Investigating Pressure Gain Combustion Dynamics in Pulse Detonation Engines [PDF]

INCAS Bulletin
In order to obtain important knowledge for raising the performance and efficiency of propulsion systems, in this paper we investigate the dynamics process of pressure gain combustion in the Pulse Detonation Engine.
Mayur PATHAK, Vibhanshu Dev GAUR, Tejinder Kumar JINDAL   +2 more
doaj   +1 more source

Effect of Al–Li Alloy on the Combustion Performance of AP/RDX/Al/HTPB Propellant

Aerospace, 2023
Aluminium–lithium alloy (Al–Li alloy) powder has excellent ignition and combustion performance. The combustion product of Al–Li alloy powder combined with ammonium perchlorate is gaseous at the working temperature of solid rocket motors, which greatly ...
Weiqiang Xiong, Yunjie Liu, Tianfu Zhang, Shixi Wu, Dawen Zeng, Xiang Guo, Aimin Pang   +6 more
doaj   +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

Simultaneous OH PLIF/Chemiluminescence and stereoscopic PIV measurements of combustion oscillation onset in turbulent swirling lean premixed flames

Journal of Thermal Science and Technology, 2021
To yield an effective control to impede the progress of combustion oscillation and to lead to the development of completely stable combustors, it is necessary to reveal the mechanism of the destabilization.
Yuki ATAGI, Masayasu SHIMURA, Mamoru TANAHASHI   +2 more
doaj   +1 more source