Results 61 to 70 of about 25,209 (263)

Fluid Dynamics and Infrared Stealth of Marine IRS Devices: A Review

International Journal of Mechanical System Dynamics, Volume 5, Issue 2, Page 179-200, June 2025.
ABSTRACT Infrared suppression (IRS) devices for naval ships play a crucial role in reducing the infrared radiation signature of high‐temperature exhaust, thereby enhancing the survivability of ships against infrared‐guided weapons. This paper provides a comprehensive review of recent advancements in the design and optimization of IRS devices.
Yitao Zou, Zhenrong Liu, Xin Qiao, Yingying Jiang, Hong Shi, Yanlong Jiang   +5 more
wiley   +1 more source

Modeling of Shutdown Process in Liquid Propellant Rocket Engines [PDF]

فصلنامه علوم و فناوری فضایی, 2014
The effects of liquid propellant rocket engines thrust termination transients are important in achieving the launch vehicle’s desired final velocity with the required precision.
M. Shafiey Dehaj, R. Ebrahimi, H. Karimi, A. Jalali, M. Naderi   +4 more
doaj  

Influence of AP Particle Size on Burning Characteristics of HMX/AP Propellants Supplemented with Fe2O3

Propellants, Explosives, Pyrotechnics, Volume 50, Issue 6, June 2025.
ABSTRACT Nitramine propellants have attracted considerable attention in the domain of solid rockets and gun propulsion because of their energetic and smokeless features. Ammonium perchlorate (AP) is the widely used oxidizer in propellants owing to the excellent burning characteristics.
Makoto Kohga, Koichiro Urano, Hiroki Matsunaga   +2 more
wiley   +1 more source

GNSS Remote Sensing of Man‐Made Space Weather Events on Consecutive Days Over East Asia

Space Weather, Volume 23, Issue 6, June 2025.
Abstract The maiden launch of Gravity‐1, labeled as the most powerful all‐solid propellent rocket yet, on 11‐January‐2024 around 0530 UT from an offshore launch platform, Yellow‐Sea, China by OrienSpace was followed by the 48th launch of H‐IIA rocket from Tanegashima space center by Japanese Aerospace Exploration Agency at 0444 UT the next day.
P. K. Rajesh, C. H. Charles Lin, Susumu Saito, Tzu‐Jui Huang, J. D. Huba, Mitchell M. Shen, Min‐Yang Chou, Jia Yue, Chi‐Yen Lin   +8 more
wiley   +1 more source

Antinomies of Alignment Redux: The United Arab Emirates and the United States

Middle East Policy, Volume 32, Issue 2, Page 134-152, Summer 2025.
Abstract Over the past three decades, the United Arab Emirates has forged a sturdy bilateral security alignment with the United States. It has also pursued foreign policies that conflict with US interests in the Gulf and the broader Middle East. This contradiction is usually attributed to a hedging strategy.
Fred H. Lawson, Matteo Legrenzi
wiley   +1 more source

Marketing Strategies in Nanomaterials for Sensor Applications: Bridging Lab to Market

Global Challenges, Volume 9, Issue 5, May 2025.
This work discusses strategies for the successful commercialization of nanomaterial‐based sensors, including regulatory compliance and industry collaboration. It highlights unique value propositions, intellectual property protection, and customer education to enhance market acceptance.
Anoop Singh, Eliyash Ahmed, Mehrajud Din Rather, Atchaya Sundararajan, Alka Sharma, Farah S. Choudhary, Ashok K. Sundramoorthy, Saurav Dixit, Nikolai Ivanovich Vatin, Sandeep Arya   +9 more
wiley   +1 more source

Research Progress of Decommissioned Solid Rocket Motor Charge Emptying and Recycling Technology [PDF]

Hangkong bingqi
As the service life of solid rocket engines comes to an end, their operational reliability and performance stability gradually decline. Effectively disposing of large numbers of retired solid rocket engines has become a critical issue.
Zhou Yaping, Lin Zhihui, Wang Maoyu, Dong Jun, Liu Tiansheng, Qiao Haitao
doaj   +1 more source

Oxide‐Based Ceramic Matrix Composites for High‐Temperature Environments: A Review

Advanced Engineering Materials, Volume 27, Issue 7, April 2025.
This review examines oxide‐based ceramic matrix composites, focusing on their processing, composition, and mechanical properties for high‐temperature applications. Key topics include oxidation resistance, failure mechanisms, and corrosion behavior, with insights into their potential use in aerospace, nuclear power, and other high‐performance industries.
Karthikeyan Ramachandran, Joseph C. Bear, Doni Daniel Jayaseelan   +2 more
wiley   +1 more source

Modular simulation software development for liquid propellant rocket engines based on MATLAB Simulink

, 2017
Focusing on Liquid Propellant Rocket Engine (LPRE) major components, a steady state modular simulation software has been established in MATLAB Simulink. For integrated system analysis, a new algorithm dependant on engine inlet mass flow rate and pressure
M. Naderi, Guozhu Liang, H. Karimi
semanticscholar   +1 more source

Development Status of the L75: A Brazilian Liquid Propellant Rocket Engine

Journal of Aerospace Technology and Management, 2014
This paper provides an overview of the design and development process of the L75 Liquid Propellant Rocket Engine (LPRE). Being developed at Institute of Aeronautics and Space (IAE), it is the first Brazilian open-cycle liquid rocket engine pressurized by
Daniel Soares de Almeida, Cristiane Maria de Moraes Pagliuco   +1 more
doaj