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Evandro Rostirolla Bortoloto, Francisco Carlos Parquet Bizarria and José Walter Parquet Bizarria
During the development stage of a space vehicle, instrumented tests are carried out on the ground to prove the operational capacity of each liquid-propellant rocket engine, which is installed in this type of vehicle. The task of elaborating a Test Bench ...
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Jihyoung Cha, Erik Andersson and Alexis Bohlin
This study presents an optimal design approach of a pintle injector for a deep throttlable liquid-propellant rocket engine (LPRE). Even though the pintle injector is used in rocket engines, it has become more important since reusable launch vehicles (RLV...
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Sohaib Khan, Muhammad Umer Sohail, Ihtzaz Qamar, Muzna Tariq and Raees Fida Swati
Thrust regulation is applied to maintain the performance of the liquid propellant rocket engine. The thrust level of a rocket engine can be readily controlled by adjusting the number of propellants introduced into the combustion chamber. In this study, a...
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Jan Martin, Wolfgang Armbruster, Dmitry Suslov, Robert Stützer, Justin S. Hardi and Michael Oschwald
Hot-fire tests were performed with a single-injector research combustor featuring a large optical access (255 × 38 mm) for flame imaging. These tests were conducted with the propellant combination of liquid oxygen and compressed natural gas (LOX/CNG) at ...
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Ahmed E. S. Nosseir, Angelo Cervone and Angelo Pasini
Current research trends have advanced the use of ?green propellants? on a wide scale for spacecraft in various space missions; mainly for environmental sustainability and safety concerns. Small satellites, particularly micro and nanosatellites, evolved f...
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Kaartikey Misra
Liquid propellants are fast becoming attractive for pulsed plasma thrusters due to their high efficiency and low contamination issues. However, the complete plasma interaction and acceleration processes are still not very clear. Present paper develops a ...
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Kaartikey Misra
Liquid propellants are fast becoming attractive for pulsed plasma thrusters due to their high efficiency and low contamination issues. However, the complete plasma interaction and acceleration processes are still not very clear. Present paper develops a ...
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Stephen D. Heister, John Smallwood, Alexis Harroun, Kevin Dille, Ariana Martinez and Nathan Ballintyn
Rotating (also termed continuous spin) detonation technology is gaining interest in the global research and development community due to the potential for increased performance. Potential performance benefits, thrust chamber design, and thrust chamber co...
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Igor Borovik, Evgeniy Strokach, Alexander Kozlov, Valeriy Gaponov, Vladimir Chvanov, Petr Levochkin and Youngbin Yoon
The combustion of kerosene with the polymer additive polyisobutylene (PIB) was experimentally investigated. The aim of the study was to measure the effect of PIB kerosene on the efficiency of combustion chamber cooling and the combustion efficiency of th...
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Joon-Hwan Bae, Hyun-Duck Kwak, Sung-Jae Heo, Chang-Ho Choi and Jong-Soo Choi
Floating ring seals are widely used as a leakage control solution for turbomachines because they effectively operate with small clearances between the shaft and seal. The oxidizer pump of the 7 tonf liquid engine in the Korea Space Launch Vehicle II (KSL...
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Jihyoung Cha
This study deals with the mathematical modeling and numerical simulation of chemical propulsion systems (CPSs). For this, we investigate and summarize a comprehensive collection of the simulation modeling developments of CPSs in academic works, applicati...
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Christian Bach, Frank Wehner and Jan Sieder-Katzmann
High performance ceramics, particularly Ceramic Matrix Composite (CMC) materials found their way into liquid rocket engines. Yet, so far, mainly carbide or nonoxide CMCs have been of interest. This paper explores the potential and challenges of oxide?oxi...
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Wonjae Yoon, Vikas Khandu Bhosale and Hosung Yoon
Ammonia dinitramide (ADN)-based liquid monopropellants are considered to be environmentally friendly alternatives to the toxic and carcinogenic hydrazine-based propellants. Hence, Space Solutions Co., Ltd. is developing a 1N ADN-based liquid monopropella...
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Bo Xu, Bing Chen, Jian Peng, Wenyuan Zhou and Xu Xu
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,...
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Nicole Viola, Davide Ferretto, Roberta Fusaro and Roberto Scigliano
This paper discloses the architecture and related performance of an environment control system designed to be integrated within a complex multi-functional thermal and energy management system that manages the heat loads and generation of electric power i...
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Simone D?Alessandro, Marco Pizzarelli and Francesco Nasuti
The present work focuses on the development of new mathematical and numerical tools to deal with wave propagation problems in a realistic liquid rocket chamber environment. A simplified real fluid equation of state is here derived, starting from the lite...
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Davide Ferretto and Nicole Viola
This paper introduces the concept of a thermal management system (TMS) with integrated on-board power generation capabilities for a Mach 8 hypersonic aircraft powered by liquid hydrogen (LH2). This work, developed within the EU-funded STRATOFLY Project, ...
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Wonjae Yoon, Vikas Khandu Bhosale and Hosung Yoon
The development of propulsion systems based on green propellants, as an alternative to hydrazines, has been gaining interest within the space community. The study of Ammonium Dinitramide (ADN)-based liquid monopropellant, which is low-toxic and can deliv...
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Abdalrahman Khaled Mohammad, Charles Sumeray, Maximilian Richmond, Justin Hinshelwood and Aritra Ghosh
This study explored the applications of liquid hydrogen (LH2) in aerospace projects, followed by an investigation into the efficiency of ramjets, scramjets, and turbojets for hypersonic flight and the impact of grey, blue, and green hydrogen as an altern...
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Yushan Gao, Bingbing Zhang, Jinbo Cheng, Jingxuan Li and Qingfei Fu
Combustion instability is the biggest threat to the reliability of liquid rocket engines, whose prediction and suppression are of great significance for engineering applications. To predict the stability of a combustion chamber with a hypergolic propella...
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