Results 111 to 120 of about 21,696 (351)
The 30 GHz solid state amplifier for low cost low data rate ground terminals [PDF]
This report details the development of a 20-W solid state amplifier operating near 30 GHz. The IMPATT amplifier not only met or exceeded all the program objectives, but also possesses the ability to operate in the pulse mode, which was not called for in ...
Ngan, Y. C., Quijije, M. A.
core +1 more source
Advances in Halide Perovskites for Photon Radiation Detectors
Advanced Materials Technologies, EarlyView.This work highlights recent progress in perovskite‐based photon radiation detectors, covering organic–inorganic hybrid, inorganic, lead‐free double, and vacancy‐ordered halide perovskites. Their detection performance is compared, material‐specific advantages and challenges are examined, and provides insight into current limitations and future ...
Liangling Wang +3 more
wiley +1 more source
High Performance Printed Circuit Heat Exchanger
High Performance Printed Circuit Heat Exchangeridentifier:oai:t2r2.star.titech.ac.jp ...
openaire +1 more source
Numerical study on bionic airfoil fins used in printed circuit plate heat exchanger
Open PhysicsAirfoil printed circuit heat exchangers (PCHEs) possess exceptional comprehensive performance. In recent years, extensive research has been conducted on the layout and structure optimization of airfoil fins.
Yu Chulin +4 more
doaj +1 more source
Engineering ProceedingsHydrogen fuel cell systems are a viable option for electrified aero engines due to their efficiency and environmental benefits. However, integrating these systems presents challenges, notably in terms of overall system weight and thermal management. Heat
Sahil Bhapkar +2 more
doaj +1 more source
A 4500 deg R /2500 deg K/ flowing-gas facility [PDF]
High temperature flowing gas heater consisting of four stages for heating ...
Maag, W. L. +3 more
core +1 more source
Journal of Physics: Conference SeriesPrinted Circuit Heat Exchanger (PCHE), which uses the supercritical fuel RP-3 as the cold fluid and the air as the hot fluid, is considered a promising candidate for CCA (Cooled Cooling Air) system heat exchanger selection due to its high compactness and
Yingchuan Wei +4 more
semanticscholar +1 more source
Advanced Materials Technologies, EarlyView.The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz +5 more
wiley +1 more source
This guidebook is designed to supplement the Spacesuit wall chart (WAL-114) published by the Education Affairs Division, January 1990. The wall chart depicts Astronaut Bruce McCandless on his historic first untethered spacewalk using the manned ...
core +1 more source
Advanced Materials Technologies, EarlyView.This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini +3 more
wiley +1 more source