Results 71 to 80 of about 249,352 (290)
Experimental Research on an Afterburner System Fueled with Hydrogen–Methane Mixtures
InventionsA new afterburner installation is proposed, fueled with pure hydrogen (100%H2) or hydrogen–methane mixtures (60% H2 + 40% CH4, 80% H2 + 20% CH4) for use in cogeneration applications.
Florin Gabriel Florean +5 more
doaj +1 more source
Noise silencer design using triply periodic minimal surfaces [PDF]
INCAS BulletinNoise reduction is a problem of great global interest, as we are surrounded by machines that produce noise emissions in one way or another. The 20th century saw the start of a strong development in noise reduction methods, with different methods being ...
Andrei-George TOTU +3 more
doaj +1 more source
State and parameter estimation approach to monitoring AGR nuclear core [PDF]
, 2007 This work concerns with the problem of monitoring an Advanced Gas-cooled Nuclear Reactor (AGR) core. This plant (figure 1) makes use of the heat given by the nuclear efficient reaction to produce electricity by means of steam turbines.
Bonivento, C. +4 more
core
A Silicon-Based Micro Gas Turbine Engine for Power Generation [PDF]
Dans Symposium on Design, Test, Integration and Packaging of
MEMS/MOEMS - DTIP 2006, Stresa, Lago Maggiore : Italie (2006), 2007 This paper reports on our research in developing a micro power generation system based on gas turbine engine and piezoelectric converter. The micro gas turbine engine consists of a micro combustor, a turbine and a centrifugal compressor. Comprehensive simulation has been implemented to optimal the component design.
arxiv
Introducing Silencers on Micro Turboshafts Powering Unmanned Aerial Vehicles
AcousticsThe transition to alternative electrical energy solutions for drone propulsion systems presents several challenges, particularly in managing noise. This noise, compounded by that from the propellers, can produce spectra that are either unpleasant to ...
Andrei-George Totu +5 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 +2 more
doaj +1 more source
Review of the development of small- and medium-capacity gas turbines at the Motoren- und Turbinen Union [PDF]
Small- and medium-capacity gas turbines under development for turboprop aircraft and helicopter, as well as for armored and commercial vehicle propulsion, are discussed.
Heilmann, W.
core +1 more source
AcousticsThe implementation of serrated stator blades in axial compressor and fan stages offers significant advantages, such as enhanced performance and reduced noise levels, making it a practical and cost-effective solution.
Andrei-George Totu +4 more
doaj +1 more source
GivEn -- Shape Optimization for Gas Turbines in Volatile Energy Networks [PDF]
arXiv, 2020 This paper describes the project GivEn that develops a novel multicriteria optimization process for gas turbine blades and vanes using modern "adjoint" shape optimization algorithms. Given the many start and shut-down processes of gas power plants in volatile energy grids, besides optimizing gas turbine geometries for efficiency, the durability ...
arxiv
Flow Field Analysis of a Hydrogen-Fueled Flame Holder Using Particle Image Velocimetry (PIV)
FuelsThe stability of hydrogen-fueled flames in afterburner systems is crucial for advancing clean energy technologies but is challenged by intense turbulence and flow variability.
Florin Gabriel Florean +4 more
doaj +1 more source