Results 61 to 70 of about 174,291 (292)

Emissions control for ground power gas turbines [PDF]

open access: yes, 1977
The similarities and differences of emissions reduction technology for aircraft and ground power gas turbines is described. The capability of this technology to reduce ground power emissions to meet existing and proposed emissions standards is presented ...
Anderson, D. N.   +5 more
core   +1 more source

Advanced Ceramics in Aerospace and Defense: The Interrelationship between Traditional and Additive Manufacturing Approaches

open access: yesAdvanced Materials Technologies, EarlyView.
Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk   +2 more
wiley   +1 more source

High-Speed Schlieren Analysis of Projectile Kinematics and Muzzle Jet Dynamics in a CO2-Driven Airsoft Gun

open access: yesFluids
Understanding the transient flow phenomena accompanying projectile discharge is essential for improving the safety, efficiency, and predictability of small-scale ballistic systems.
Emilia-Georgiana Prisăcariu   +4 more
doaj   +1 more source

Next Generation of Thermal Barrier Coatings with High Temperature Metal‐Silicide Metamaterials

open access: yesAdvanced Optical Materials, EarlyView.
Thermal metamaterials have emerged as a powerful platform in the engineering of radiative heat transfer across a broad range of applications, including thermal imaging, passive cooling, and thermo‐photovoltaics. Here, a novel application is presented for metamaterials: thermal dual barrier coatings (TDBCs).
Ali Jishi   +15 more
wiley   +1 more source

Fuel property effects in stirred combustors [PDF]

open access: yes, 1980
Soot formation in strongly backmixed combustion was investigated using the jet-stirred combustor (JSC). This device provided a combustion volume in which temperature and combustion were uniform.

core   +1 more source

Polymer Nanocomposite‐Based Electronic Sensor for Respiratory Function Monitoring

open access: yesAdvanced Sensor Research, EarlyView.
This review highlights polymer composite‐based flexible sensors and energy harvesters for detecting an individual's respiratory profile. It also explores the biosafety and digital system integration in such sensors systems. This review also discusses the key red flags and how to leverage new technologies, such as AI and ML, to be utilized in ...
Titash Mondal
wiley   +1 more source

Modernization of the DISA 55D41 Wind Tunnel for Micro-Scale Probe Testing

open access: yesInventions
Originally introduced in the 1960s by DISA Elektronik as a calibration tunnel for hot-wire anemometers, the Type 55D41 has now been reengineered into a versatile and modern aerodynamic test platform.
Emilia Georgiana Prisăcariu   +4 more
doaj   +1 more source

Wind turbines and invisible technology: unarticulated reasons for local opposition to wind energy [PDF]

open access: yes, 2013
Local opposition to wind turbines stems from concerns about environmental and economic damage, as well as conflicts between rural and urban residents.
Hirsh, Robert F, Sovacool, Benjamin K
core   +1 more source

Next‐Generation Supercapacitors: Advances in Binder‐Free Electrodes, Scalable Fabrication, and Emerging Applications

open access: yesAdvanced Sustainable Systems, EarlyView.
Innovative fabrication methods are crucial for developing next‐generation supercapacitors. These techniques optimize electrode structures, boosting energy and power density while enabling scalable production. By overcoming current limitations, advanced fabrication unlocks supercapacitors' potential as efficient, reliable energy storage for diverse ...
Nikita A. Wadodkar   +8 more
wiley   +1 more source

CONTRIBUTIONS TO CONSOLE PROGRAMMING OF A ROBOTIC SYSTEM FOR WELDING AN OVERSIZED HEAT EXCHANGER

open access: yesNonconventional Technologies Review, 2022
This paper first proposes to define the welding parameters of the GTAW (TIG/WIG) heat exchanger for a robotic system. The paper describes the first process of welding performed on the heat exchanger assembly, named pilot. An analysis will go through all
Andrei Mitru   +4 more
doaj  

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