Results 51 to 60 of about 10,699 (233)

Optimization of cooling channels of liquid rocket engines using a differential heat transfer model

Авіаційно-космічна техніка та технологія
The subject matter of this study is the thermophysical processes occurring in the cooling channels of liquid-propellant rocket engines. The goal of this research is to create an algorithm for optimizing cooling channels.
Volodymyr Sliusariev
doaj   +1 more source

The issue of ensuring the safe explosion of the spent orbital stages of a launch vehicle with propulsion rocket engine

MATEC Web of Conferences, 2017
A method for increasing the safe explosion of the spent orbital stages of a space launch vehicle (SLV) with a propulsion rocket engine (PRE) based on the gasification of unusable residues propellant and venting fuel tanks.
Trushlyakov Valeriy I., Zharikov Konstantin I.   +1 more
doaj   +1 more source

Micro/Nanorobot for Drug Delivery—A Review of Material Selections

Advanced NanoBiomed Research, Volume 6, Issue 3, March 2026.
This review explores material strategies for biomedical micro/nanorobots, emphasizing their roles in propulsion, navigation, drug delivery, and biodegradability. It highlights advancements in metallic, polymeric, and hybrid materials, while addressing clinical translation challenges such as toxicity, immune response, and manufacturability.
Xiaozhuo Wu, Bingyun Li, Malcolm Xing
wiley   +1 more source

Advanced Ceramics in Aerospace and Defense: The Interrelationship between Traditional and Additive Manufacturing Approaches

Advanced Materials Technologies, Volume 11, Issue 3, 5 February 2026.
Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk, Senentxu Lanceros‐Mendez, Abílio Pereira Silva   +2 more
wiley   +1 more source

Three stage rocket vehicle with parallel staging [PDF]

, 1984
A three stage rocket vehicle has a large forward propellant tank and a small aft propellant tank axially aligned. Secured to the rear end of the aft propellant tank is an engine mount structure carrying rocket engines.
Marshall, W. R.
core   +1 more source

Tandem Takeoff: Powering Tomorrow with Industrial‐Grade Perovskite/Silicon Solar Cells

Advanced Energy Materials, Volume 16, Issue 5, 4 February 2026.
Perovskite/silicon tandem solar cells have recently achieved certified power conversion efficiencies of 34.85%, far exceeding the Shockley‐Queisser limit for single‐junction silicon and standalone perovskite cells. This review highlights the latest advances in the design, integration, and optimization of perovskite top cells for monolithic tandem ...
Maria Vasilopoulou, Di Huang, Jue Gong, Faming Li, Hao Zhang, Yinqing Sun, Lin Mao, Ermioni Polydorou, Ioannis G. Aviziotis, Leonidas C. Palilis, Onurcan Kaya, Stephan Roche, Jordi Arbiol, Dimitrios Davazoglou, Emmanuel Kymakis, Lei Liu, Kuan Sun, Abd Rashid bin Mohd Yusoff, Mingzhen Liu, Mohammad Khaja Nazeeruddin   +19 more
wiley   +1 more source

The Effects of Non-uniform Distribution of Oxidizer Flow on High-Frequency Combustion Instability

MATEC Web of Conferences, 2019
The numerical calculation of three-dimensional unsteady combustion for the combustion chamber of LOX/kerosene high pressure staged combustion rocket engine was carried out.
Chen Peng, Nie Wansheng, Guo Kangkang, Sun Xing, Liu Yu, Wang Haiqing   +5 more
doaj   +1 more source

Statistical derivation of design criteria for liquid rocket combustion instability Final report [PDF]

Statistical correlation between engine design and combustion stability in liquid propellant rocket ...
Bastress, E. K., Harris, G. H., Miller, I.   +2 more
core   +1 more source

Supercharged topping rocket propellant feed system [PDF]

, 1979
A rocket propellant feed system utilizing a bleed turbopump to supercharge a topping turbopump is presented. The bleed turbopump is of a low pressure type to meet the cavitation requirements imposed by the propellant storage tanks.
Ginsburg, A., Hartmann, M. J., Stewart, W. L.   +2 more
core   +1 more source

Development of 4D printing and its performance testing methods

Responsive Materials, Volume 4, Issue 1, February 2026.
This paper reviews the molding methods of 4D printing and its applications in various fields, with emphasis on 4D printing performance testing methods. Abstract 4D printing is a cutting‐edge additive manufacturing technology that introduces the time dimension, allowing printed objects to have dynamic, changeable properties, functions or shapes ...
Guiwei Li, Chaoyue Huang, Yucheng Luo, Jialu Xu, Lei Zhang, Fei Gao, Ke Li, Wenzheng Wu, Luquan Ren   +8 more
wiley   +1 more source