Results 101 to 110 of about 372,321 (309)
Aerodynamic performance sensitivity analysis of blade design for a 100 kW HAWT [PDF]
, 2011 Wind energy is gaining ever increasing popularity among renewable energy sources. In some European countries installed wind turbine capacity has reached over 20 % of the total power generation capacity.
Aksit, Mahmut Faruk +2 more
core
Consideration of tip speed limitations in preliminary analysis of minimum COE wind turbines [PDF]
, 2014 A relation between Cost Of Energy, COE, maximum allowed tip speed, and rated wind speed, is obtained for wind turbines with a given goal rated power. The wind regime is characterised by the corresponding parameters of the probability density function of
Cuerva Tejero, Alvaro +2 more
core +2 more sources
MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance
Advanced Functional Materials, EarlyView.Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley +1 more source
Performance of 1.15-pressure-ratio fan stage at several rotor blade setting angles with reverse flow [PDF]
A 51 cm diameter low pressure ratio fan stage was tested in reverse flow. Survey flow data were taken over the range of rotative speed from 50 percent to 100 percent design speed at several rotor blade setting angles through both flat and feather pitch ...
Kovich, G., Moore, R. D.
core +1 more source
Electromagnetic Magic: The Relativistically Rotating Disk
, 2004 A closed form analytic solution is found for the electromagnetic field of the charged uniformly rotating conducting disk for all values of the tip speed $v$ up to $c$.
A. N. Lasenby +12 more
core +1 more source
Advanced Functional Materials, EarlyView.This research presents a novel implantable bio‐battery, GF‐OsG, tailored for diabetic bone repair. GF‐OsG generates microcurrents in high‐glucose conditions to enhance vascularization, shift macrophages to the M2 phenotype, and regulate immune responses.
Nanning Lv +10 more
wiley +1 more source
Unlocking the power of the wind: Innovations in smart hybrid vertical axis wind turbines
International Journal of Renewable Energy DevelopmentAs global concerns about CO2 emissions grow, the development of green energy sources like wind power has become increasingly important. Two significant strengths of vertical-axis wind turbines relative to horizontal-axis models are their capacity to ...
Elysa Nensy Irawan +3 more
doaj +1 more source
An Innovative Approach To Making Ultra Light Weight Wind Turbine Blades [PDF]
Mehran University Research Journal of Engineering and Technology, 2012 An innovative mould free method for the fabrication of ultimate light weight small wind turbine blades made out of composites has been suggested in this paper. The method has been practically applied with very satisfactory results.
Suhail Zaki Farooqui
doaj
Engineering Applications of Computational Fluid Mechanics, 2019 There is still discrepancy regarding the verification of CFD U-RANS simulations of vertical-axis wind turbines (VAWTs). In this work, the applicability of the Richardson extrapolation method to assess mesh convergence is studied for several points in the
Andrés Meana-Fernández +4 more
doaj +1 more source
Small axial compressor technology, volume 1 [PDF]
A scaled single-stage, highly-loaded, axial-flow transonic compressor was tested at speeds from 70 to 110% design equivalent speed to evaluate the effects of scaling compromises and the individual and combined effects of rotor tip running clearance and ...
Holman, F. F. +2 more
core +1 more source