Results 91 to 100 of about 174,291 (292)

Seal Related Development Activities at EG/G [PDF]

, 1991
Seal related development activities including modeling, analysis, and performance testing are described for several current seal related projects.
Greiner, Harold F.
core   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

Advanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira, Md Mahbubur Rahman, Karib Hassan Khan, Md Nizam Uddin, Dewan Hafiz Nabil   +4 more
wiley   +1 more source

Experimental Study on Ignition and Pressure-Gain Achievement in Low-Vacuum Conditions for a Pulsed Detonation Combustor

Technologies
Pressure-gain combustion (PGC) represents a promising alternative to conventional propulsion systems for interplanetary travel due to its key advantages, including higher thermodynamic efficiency, increased specific impulse, and more compact engine ...
Andrei Vlad Cojocea, Mihnea Gall, George Ionuț Vrabie, Tudor Cuciuc, Ionuț Porumbel, Gabriel Ursescu, Daniel Eugeniu Crunţeanu   +6 more
doaj   +1 more source

Steady state simulation and exergy analysis of supercritical coal-fired power plant with CO₂ capture [PDF]

, 2015
Integrating a power plant with CO₂ capture incurs serious efficiency and energy penalty due to use of energy for solvent regeneration in the capture process.
Kelsall, Greg, Olaleye, Akeem K., Wang, Meihong   +2 more
core   +1 more source

Ocean Wave Energy Generators and Self‐Powered Wave Sensors Based on Triboelectric Nanogenerators

Advanced Energy and Sustainability Research, EarlyView.
The key milestones of ocean wave energy‐driven triboelectric nanogenerators (TENGs) from 2015 to 2024. The development of ocean wave energy‐driven TENGs has undergone multiple stages of evolution, particularly in the design of their outer structures, with the goal of more efficiently utilizing ocean wave motion.
Yunzhong Wang, Youhong Tang
wiley   +1 more source

Performance Comparison on Repowering of a Steam Power Plant with Gas Turbines and Solid Oxide Fuel Cells

, 2016
Repowering is a process for transforming an old power plant for greater capacity and/or higher efficiency. As a consequence, the repowered plant is characterized by higher power output and less specific CO 2 emissions. Usually, repowering is performed by
M. Rokni
semanticscholar   +1 more source

Wine Tourism as a Catalyst for Sustainable Performance: The Mediating Role of Corporate Legitimacy and Green Innovation

Agribusiness, EarlyView.
ABSTRACT This study aims to explore the influence of Wine Tourism (WT) on the Sustainable Performance (SP) of wineries in Spain. It particularly investigates how Corporate Social Legitimacy (CSL) and Green Innovation (GI) may act as intermediary factors in this relationship.
Javier Martínez‐Falcó, Eduardo Sánchez‐García, Bartolomé Marco‐Lajara, Luis A. Millán‐Tudela   +3 more
wiley   +1 more source

Experimental Validation of a Working Fluid Versatile Supersonic Turbine for Micro Launchers

Aerospace
The growing demand for micro-launchers capable of placing payloads between 1 and 100 kg into low Earth orbit stems from rapid advances in electronics and the resulting increase in nanosatellite capabilities.
Cleopatra Florentina Cuciumita, Valeriu Alexandru Vilag, Cosmin Petru Suciu, Emilia Georgiana Prisăcariu   +3 more
doaj   +1 more source

Investigation of the Optimum Clocking Position in a Two-Stage Axial Turbine

International Journal of Rotating Machinery, 2005
A frozen rotor approach in a steady calculation and a sliding mesh approach in an unsteady simulation are performed in a stator clocking investigation.
Dieter Bohn, Sabine Ausmeier, Jing Ren   +2 more
doaj   +1 more source

The position of gas turbine power plants with respect to the emission of nitrogen oxides by fossil-fueled energy installations [PDF]

The amount of nitrogen oxides introduced into the atmosphere by gas turbines is very significant in relation to the total amount of nitrogen oxide emissions produced by chemical installations and combustion engines.
Kaiser, E.
core   +1 more source