Results 11 to 20 of about 29,759 (245)

Regenerative Cooling Comparison of LOX/LCH4 and LOX/LC3H8 Rocket Engines Using the One-Dimensional Regenerative Cooling Modelling Tool ODREC

open access: yesApplied Sciences, 2023
Due to the extreme temperatures inside the combustion chambers of liquid propellant rocket engines, the walls of the combustion chamber and the nozzle are cooled by either the fuel or the oxidizer in what is known as regenerative cooling.
Yigithan Mehmet Kose, Murat Celik
doaj   +1 more source

Joint design and simulation of GOX-GCH4 combustion and cooling in an experimental water-cooled subscale rocket engine [PDF]

open access: yesINCAS Bulletin, 2023
This paper presents the authors’ most recent research regarding the feasibility of cooling a 1 kN scaled-down experimental rocket engine, running on gaseous oxygen and gaseous methane, for a ground test.
Alexandru MEREU, Dragos ISVORANU
doaj   +1 more source

Influence of Flow Rate Distribution on Combustion Instability of Hypergolic Propellant

open access: yesAerospace, 2022
Combustion instability is the biggest threat to the reliability of liquid rocket engines, whose prediction and suppression are of great significance for engineering applications.
Yushan Gao   +4 more
doaj   +1 more source

Research and Development of Fault Diagnosis Methods for Liquid Rocket Engines

open access: yesAerospace, 2022
Currently, considerable efforts are being focused on the development of reusable rockets and smart rockets due to the heavy requirements of future next-generation aerospace transportation.
Tao Wang, Lin Ding, Huahuang Yu
doaj   +1 more source

Transcritical Behavior of Methane in the Cooling Jacket of a Liquid-Oxygen/Liquid-Methane Rocket-Engine Demonstrator

open access: yesEnergies, 2022
The successful design of a liquid rocket engine is strictly linked to the development of efficient cooling systems, able to dissipate huge thermal loads coming from the combustion in the thrust chamber.
Daniele Ricci   +2 more
doaj   +1 more source

Effects of swirl number and bluff body on swirling flow dynamics

open access: yesAIP Advances, 2023
Bluff-body swirling flows have been widely employed in gas-turbine combustors to achieve flame stabilization. Meanwhile, considerable efforts have been made to understand swirling flow dynamics, the effects of swirl number and bluff body on flow ...
Yupeng Gao   +4 more
doaj   +1 more source

A Coupled Heat Transfer Calculation Strategy for Composite Cooling Liquid Rocket Engine

open access: yesAerospace, 2023
To better understand the characteristics of coupled heat transfer in liquid rocket engines, a calculation scheme is proposed in this paper. This scheme can simulate the coupled heat transfer processes, including combustion and flow in the thrust chamber,
Bo Xu   +4 more
doaj   +1 more source

Generative adversarial networks with physical evaluators for spray simulation of pintle injector

open access: yesAIP Advances, 2021
Due to the adjustable geometry, pintle injectors are especially suitable for liquid rocket engines, which require a widely throttleable range. However, applying the conventional computational fluid dynamics approaches to simulate the complex spray ...
Hao Ma   +3 more
doaj   +1 more source

Original Romanian Research for a Rocket Engine with Multiple Combustion Chambers during 1940 - 1944 [PDF]

open access: yesINCAS Bulletin, 2020
The paper presents certain points of view regarding the history of Romanian rocket engines, during 1940-1944. Working independently of other scientists, during 1942 – 1944 the Romanian Nicolae Văideanu has invented and designed, independently of other ...
Nicolae-Florin ZAGANESCU   +2 more
doaj   +1 more source

Comparison of Optimization Techniques and Objective Functions Using Gas Generator and Staged Combustion LPRE Cycles

open access: yesApplied Sciences, 2022
This paper compares various optimization techniques and objective functions to obtain optimum rocket engine performances. This research proposes a modular optimization framework that provides an optimum design for Gas Generator (GG) and Staged Combustion
Suniya Sadullah Khan   +5 more
doaj   +1 more source

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