Results 41 to 50 of about 1,082,201 (386)

Analysis of the Exothermic Reaction of Flame Ignition in the Combustion Chamber of a Gas Turbine Unit

Energies, 2023
This article analyses the exothermic reaction of flame ignition in the combustion chamber of a gas turbine unit, which is characteristic of combustion chambers operating on traditional hydrocarbon fuels. The combustion of gases as an explosive process in
Sergej Maspanov, Igor Bogov, Svetlana Martynenko, Vladimir Sukhanov   +3 more
doaj   +1 more source

A MEMS-based solid propellant microthruster array for space and military applications [PDF]

, 2015
Since combustion is an easy way to achieve large quantities of energy from a small volume, we developed a MEMS based solid propellant microthruster array for small spacecraft and micro-air-vehicle applications.
Chaalane, A, Chemam, R, Dkhissi, Ahmed, Esteve, D, Houabes, M, Mahi, D, Metatla, A, Metatla, N, Ouari, B, Yahiaoui, R   +9 more
core   +2 more sources

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

Influence of Quenching Height and Air Distribution Ratio on Combustion Characteristics of RQL Combustor

Shanghai Jiaotong Daxue xuebao
Based on the principle of the rich-burn/quench/lean-burn (RQL) technology, a low emission combustion chamber for gas turbine was designed. The effects of different heights of quenching structure and distribution ratios of the air flow on the flow field ...
HUI Lei, LIU Aiguo, WU Xiaoqu, ZHANG Yunjie, ZENG Wen
doaj   +1 more source

A Universal Way to Manipulate Droplet via Light‐Fueled Thermocapillary Convection

Advanced Functional Materials, EarlyView.
A non‐contact light‐induced droplet manipulation strategy fueled by mid‐infrared (MIR) light irradiation is introduced. No additional additives and/or complex substrate are required. Here, thermocapillary convection, directly generated by temperature gradient at outer surface of droplet via localized surface heating, plays a key role to propel the ...
Hyesun Hwang, Yinggang Zhao, Kun Li, Jaeseung Lee, Cunjing Lv, Sanghyuk Wooh   +5 more
wiley   +1 more source

Performance optimization design of trapped vortex combustion chamber with a sand dune blunt body

Case Studies in Thermal Engineering
In an effort to enhance the performance of the trapped vortex combustion chamber, this paper improved the trapped vortex combustion chamber and proposed a sand dune trapped vortex combustion chamber. Firstly, the effects of different inlet velocities and
Guo Kaifang, Sun Dechuan
doaj   +1 more source

Experimental determination of the excess air coefficient at the outlet of the burners of a two-zone combustion chamber [PDF]

Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"
The paper presents the results of computational and experimental determination of the excess air coefficient at the outlet of the burners of the experimental two-zone combustion chamber of the NK-16ST engine.
A. V. Baklanov
doaj   +1 more source

Two-step rocket engine bipropellant valve concept [PDF]

, 1969
Initiating combustion of altitude control rocket engines in a precombustion chamber of ductile material reduces high pressure surges generated by hypergolic propellants.
Capps, J. E., Ferguson, R. E., Pohl, H. O.   +2 more
core   +1 more source

Facile Tri‐Metallic Catalyst Fabrication Using the Dynamic Hydrogen Bubble Template method

Advanced Functional Materials, EarlyView.
Porous metal catalysts are prepared using hydrogen bubbles as a natural template. By carefully selecting metal combinations and thermal treatment, the researchers tailored surface composition and structure, boosting catalytic performance. The approach offers a powerful and flexible route to designing advanced materials for green energy Abstract ...
Carlos M. S. Lobo, Bruna F. Gomes, Lu Xia, Wulyu Jiang, Tengyu Chen, Kaiqi Zhao, Laís G. Vernasqui, Hannah Kammal, Eric Liesz, Jonas Prietz, F. Pelayo García de Arquer, Christina Roth   +11 more
wiley   +1 more source

Combustion instability control in the model of combustion chamber

Journal of Physics: Conference Series, 2013
An experimental study of the influence of external periodic perturbations on the instability of the combustion chamber in a pulsating combustion. As an external periodic disturbances were used sound waves emitted by the electrodynamics. The purpose of the study was to determine the possibility of using the method of external periodic perturbation to ...
Akhmadullin A., Ahmethanov E., Iovleva O., Mitrofanov G.   +3 more
openaire   +3 more sources