Results 51 to 60 of about 838 (233)
One of the promising trends in the improvement of stand test data management and control systems and emergency protection systems involves the development of intellectual peripheral devices that provide communication with test articles.
O. A. Volnukhin +3 more
doaj +1 more source
Tandem Takeoff: Powering Tomorrow with Industrial‐Grade Perovskite/Silicon Solar Cells
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 +19 more
wiley +1 more source
Development of 4D printing and its performance testing methods
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 +8 more
wiley +1 more source
Sustainable Water Systems in Space: A Review of Current Technologies and Future Prospects
Abstract Sustainable water management is a critical challenge in space exploration, where the limited availability of resources requires innovative approaches to ensure astronauts' survival on long‐duration missions. This narrative review explores the key technologies and methods involved in water recycling, in situ resource utilization (ISRU), and ...
David Bamidele Olawade +2 more
wiley +1 more source
Thermoelectric generators (TEGs) convert waste heat into electricity for self‐powered and wearable electronics. This review highlights advances in flexible, hybrid, and ionic thermoelectric materials, emphasizing ionic thermopower control, textile integration, and hybrid TEG–supercapacitor systems for combined harvesting, sensing, and storage.
Kaliyannan Manojkumar +5 more
wiley +1 more source
Atomically precise metal nanoclusters are ultrasmall aggregates of metal atoms with finely tunable structures. They exhibit broad PL across visible to NIR wavelengths by tuning size, structure, and composition. The review addresses fundamental emission mechanisms and structure–property correlations, evaluating enhancement strategies (ligand ...
Xiuling Guo +4 more
wiley +1 more source
ABSTRACT This study analyzes the influence of Arrhenius activation energy on the chemically reactive, magnetohydrodynamic Casson hybrid nanofluid flow past an exponentially stretching surface embedded in a Darcy–Forchheimer porous medium with a non‐uniform heat source/sink.
Md. Sailanebaba +2 more
wiley +1 more source
Hydrocarbon fuel has been widely used in air-breathing scramjets and liquid rocket engines as coolant and propellant. However, possible heat transfer deterioration and threats from local high heat flux area in scramjet make heat transfer enhancement ...
Jiang Yuguang +4 more
doaj +1 more source
The main objective of this work was to present the specifi cation of an experimental fi ring test stand for liquid rocket engines (LRE) and develop a program for control and acquisition of data.
Emerson Andrade Santos +3 more
doaj
Mathematical model for heat transfer in variable thickness fins for rocket engines
Purpose. This article aims to develop a mathematical model for a fin in the cooling system of liquid propellant rocket engines. The objective is to enable calculations for fins with arbitrary thickness variation. The developed mathematical model will be
Volodymyr Sliusariev, Valerii Bucharskyi
doaj

