Results 61 to 70 of about 69,089 (320)
Nano Select, EarlyView.Jute‐based flame‐retardant textiles are eco‐friendly materials used in home textiles, firefighting gear, and insulation. Developed through coating, exhaustion, and chemical treatments, they offer safety, scalability, and versatility. Challenges include cost, durability, and environmental impact.
Md. Nazif Hasan Chowdhury +4 more
wiley +1 more source
FREQUENCY PREDICTION OF STAGED COMBUSTION ROCKET ENGINE BASED ON RBF NEURAL NETWORK
Jixie qiangdu, 2015 In order to avoid creating or modifying the huge amount of finite element model of the rocket engine,application of the RBF（ radial basis function） neural network which was used to predict structural frequency of the liquid rocket engine was analyzed.
DU FeiPing, TAN YongHua, CHEN JianHua
doaj
Combustion synthesis of ultra‐high temperature ceramics: Review
International Journal of Applied Ceramic Technology, Volume 22, Issue 6, November/December 2025.Abstract Novel and future‐oriented aerospace, energy, transportation, and other industrial technologies require materials capable of operating at temperatures above 2000°C. Ultra‐high temperature ceramic materials (UHTCs), based on carbides, borides, carbonitrides, and nitrides of transition metals—many with melting points exceeding 3000°C—possess the ...
Alexander S. Mukasyan +1 more
wiley +1 more source
The design and performance on 200N-class bipropellant rocket engine using decomposed H2O2 and Kerosene [PDF]
INCAS Bulletin, 2019 Mono-propellant thrusters are widely utilized in satellites and space launchers. In many cases, they are using hydrazine as a propellant. However, hydrazine has high toxicity and high risks in using for launch campaign.
Yang-Suk LEE, Jun Hwan JANG
doaj +1 more source
An Unexpected Facet of Extremophiles: Their Aesthetic Potential in Artistic Expression
Microbial Biotechnology, Volume 18, Issue 10, October 2025.In an era marked by environmental challenges and the proliferation of misinformation, the fusion of art and science is a strategy to promote public understanding and appreciation of complex scientific phenomena. We illustrate how the use of extremophiles offers novel avenues for artistic exploration and emphasise the benefits of such interdisciplinary ...
Luis Andrés Yarzábal Rodríguez +4 more
wiley +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 +1 more
doaj
Impact of Advances in Anion Exchange Membranes and Ionomers on Alkaline Fuel Cells
Chemistry – An Asian Journal, Volume 20, Issue 18, September 15, 2025.Advances in anion exchange membranes (AEMs) and ionomer design have propelled alkaline fuel cells toward unprecedented performance, with peak power densities exceeding 3.5 W cm⁻2. This review highlights how molecular‐level innovations— stable hydrocarbon backbones, robust cationic groups, and pH‐gradient‐enabled bipolar interfaces—enable durable, high ...
Zhongyang Wang +3 more
wiley +1 more source
Developments in REDES: The Rocket Engine Design Expert System [PDF]
The Rocket Engine Design Expert System (REDES) was developed at NASA-Lewis to collect, automate, and perpetuate the existing expertise of performing a comprehensive rocket engine analysis and design.
Davidian, Kenneth O.
core +2 more sources
Electrodynamic actuators for rocket engine valves [PDF]
, 1972 Actuators, employed in acoustic loudspeakers, operate liquid rocket engine valves by replacing light paper cones with flexible metal diaphragms. Comparative analysis indicates better response time than solenoid actuators, and improved service life and ...
Doshi, D., Fiet, O.
core +1 more source
Light‐Emitting Diodes as Wireless Optical Transducers of Chemical Information
ChemPhotoChem, Volume 9, Issue 9, September 2025.The synergy of light‐emitting diodes (LEDs) and bipolar electrochemistry has been explored to develop novel and straightforward optical readouts of chemical information. These approaches offer the possible encoding of the chemical information on the intensity of the light emission, opening multiple applications ranging from electroanalysis to dynamic ...
Marine Lavainne +5 more
wiley +1 more source