Results 171 to 180 of about 1,247,418 (410)

Multi-fuel rotary engine for general aviation aircraft [PDF]

open access: yes
Design studies of advanced multifuel general aviation and commuter aircraft rotary stratified charge engines are summarized. Conceptual design studies were performed at two levels of technology, on advanced general aviation engines sized to provide 186 ...
Ellis, D. R., Jones, C., Meng, P. R.
core   +1 more source

Practical Applications of Secondary/Extractive Electrospray Ionization (SESI): A Versatile Tool for Real‐Time Chemical Analysis

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT In the 1980s, researchers discovered the remarkable ability of electrospray plumes to effectively ionize gas‐phase molecules via secondary ionization. Around 20 years later—coinciding with the ambient mass spectrometry revolution—secondary electrospray ionization (SESI) and extractive electrospray ionization (EESI) coupled to mass spectrometry
Xin Luo   +5 more
wiley   +1 more source

Refan program. Phase 1: Summary report [PDF]

open access: yes
The Refan Program is aimed at a large reduction in aircraft approach and takeoff noise in the vicinity of airports caused by the JT3D-powered 707's and DC-8's and the JT8D-powered 727's, 737's and DC-9's.
Bresnahan, D. L., Sams, E. W.
core   +1 more source

Optimization Study on Battery Thermal Management System With Coupled Air and Microchannel Liquid Cooling Strategy

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Because of the surging demand for clean energy, the performance and safety of lithium‐ion batteries (LIBs) for energy storage and conversion have received much attention. This study presents a battery thermal management system (BTMS) that combines air cooling with microchannel liquid cooling.
Xiaolu Yuan   +4 more
wiley   +1 more source

Using an aircraft compressor engine in mobile exhauster system

open access: diamond, 2023
Alexander Bikbulatov   +2 more
openalex   +2 more sources

Study of aerodynamic technology for single-cruise-engine VSTOL fighter/attack aircraft, phase 1 [PDF]

open access: yes
A conceptual design and analysis on a single engine VSTOL fighter/attack aircraft is completed. The aircraft combines a NASA/deHavilland ejector with vectored thrust and is capable of accomplishing the mission and point performance of type Specification ...
Foley, W. H.   +2 more
core   +1 more source

Launch Uncertainty Analysis Under Barrel Erosion Using Experiments and Random Matrix Theory

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT The effects of barrel erosion on artillery firing performance have long been a subject of concern, but its effect on launch uncertainty has yet to be investigated. This article explores the influence of barrel erosion on the interior ballistic mechanical properties and launch disturbances.
Chengyuan Guo   +5 more
wiley   +1 more source

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