Lightweight
ironless-stator PM generators for direct-drive
wind ...
The stator is ironless so that there is no direct magnetic ... heat transfer coefficient, WmÀ2 KÀ1 k ratio: wind speed/rated wind speed ...
http://ieeexplore.ieee.org/iel5/2194/30360/01395487.pdf
Lightweight, ironless-stator, PM generators for
direct-drive wind ...
A new form of direct-drive PM generator for wind turbines is described. .... temperature rise and a surface heat transfer coefficient, h. 4ors = h.AT ...
http://ieeexplore.ieee.org/iel5/9342/29679/01348886.pdf?arnumber=1348886
FEM Optimal
Design of Wind Energy-based Heater
by T Tudorache - 2009 - Related articles
http://old.bmf.hu/journal/Tudorache_18.pdf
Finite element modeling of the temperature distribution in the
...
additionally we can optimize the heat transfer for the stator with variant ..... mounted the laboratory model in a suitable channel of our wind tunnel. ... for the direct heat transfer (convection) to the cooling air has a big influence ...
http://www.emeraldinsight.com/Insight/html/Output/Published/EmeraldFullTextArticle/Pdf/1740220407.pdf
Axial Flux,
Modular, Permanent-Magnet Generator with a Toroidal ...
- Related articles
http://www.nrel.gov/docs/legosti/fy98/24996.pdf
HEAT
TRANSFER STUDY IN A DISCOIDAL SYSTEM: THE INFLUENCE OF AN
...
rotor-stator, infrared thermography, convective heat transfer, impinging jet ... example, studies about wind generators have become more and more numerous. ...
http://www.informaworld.com/index/782172071.pdf
Numerical
and Experimental Heat Transfer Studies on Totally
...
analyze stator core heating of large turbine generators and the results are compared .... Equivalent thermal conductivities are determined for the stator and rotor wind- ... e cients for the stalled tests are natural convective heat transfer coe cients. ... motor and is used as a drive for rollers in steel mills. ...
http://www.informaworld.com/index/E2LA7Y1E4EQUFU3U.pdf
Microsoft
PowerPoint - Session 3_Structural Mechanics & Material ...
utilized in wind turbines, elevator drives, motorwheels etc. ... classical heat transfer mechanisms: conduction, radiation and convection. Thermal and fluid-dynamical ... convective heat exchange between stator and rotor. Navier-Stokes ...
http://cds.comsol.com/access/dl/papers/2592/Marignetti_pres.pdf
ENHANCED
HEAT TRANSFER
Forced-Convection Heat Transfer of Microencapsulated Phase-Change .... 291 Study of Heat Transfer in a Rotor-Stator System: Impinging Jet and Spacing Influence ...... B. H. Chang and A. F. Mills. 111 Heat and Mass Transfer Intensification ... 71 Heat Transfer Enhancement in a Convective Field by Applying Ionic Wind ...
http://www.mne.psu.edu/webb/JEHT TOC.pdf
Goals and
trends in heat transfer research
rated 1800 MVA at 3600 RPM, the stator and rotor .... wind tunnel experiments, and reached a very satisfac- .... Knowledge of unsteady and free convection heat transfer is then required for quantitative predictions. ...
http://www.springerlink.com/index/W722823681R02543.pdf
Design
Problems of Powerful Four-Pole Asynchronous Motors
to take into account that the convective heat-transfer coefficient α of stator's boring surface and ... —within 10–15 s, the linear load of the stator wind- ...
http://www.springerlink.com/index/M102N8U848X337X8.pdf
Performing
Member Directory
Experience - Rotor-Stator Cavity and Seals—Flow and Heat Transfer, ...... Facilities - CONVECTIVE HEAT TRANSFER LABORATORY: Transonic Wind Tunnel (TWT), ...
http://www.clemson.edu/scies/UTSR/PMDirectory.pdf
The dual thin-film probe for high-frequency flow temperature
...
the second stator of the 1.5 stage high-speed turbine in the VKI compression tube facility CT- .... the convective heat transfer coefficient are the ..... gages in conventional hypersonic wind tunnels. NASA ...
http://journals.pepublishing.com/index/J8085L22638772V2.pdf
Performance analysis of a transonic high-pressure turbine
blow-down wind tunnels. 1 INTRODUCTION. Highly loaded single-stage gas turbines have been developed to minimize the turbine .... The turbine is composed of 43 cylindrical stator air- ... modelling of the heat transfer at engine representative conditions. .... on both the convection time of the vane shock effect ...
http://journals.pepublishing.com/index/VG82T2832472281P.pdf
Heat
transfer measurements on an intermediate-pressure nozzle
...
stator surface heat transfer rate in a 1.5-stage turbine. In one such experiment, Blair et al. ... wind tunnel capable of testing an engine-size turbine at the ..... 7 Kays, W. M. and Crawford, M. E. Convective Heat and Mass. Transfer ...
http://pep.metapress.com/index/Y1763JW8R85871J1.pdf
Experimental
investigation of the unsteady rotor aerodynamics of a ...
of the wind tunnel and its operating principle was provided by Sieverding and Arts [16]. The facility is ..... travelling close to the convective speed were observed ..... erding, C. H. Unsteady heat transfer in stator-rotor inter- ...
http://pep.metapress.com/index/PMW4104061327V05.pdf
Publications
of T. Arts 1981 - 2006
Convective heat transfer with the film cooling around a rotor blade. .... Unsteady heat transfer in stator-rotor interaction by two equation turbulence model. .... using a high speed probe traversing mechanism in a short duration wind ...
http://www.vki.ac.be/download/people/publications/publi_arts.pdf
Room A Room B Room C Apr. 5 (Mon) Apr. 6 (Tue) Apr. 7 (Wed)
Conduction in Walls with Convective Heat. Transfer – Analytical Methods and. Limitations .... 47_Semi- analytical prediction of stator vane ... 41_Prediction of Wind Turbine. Characteristics by Practical CFD Simulation ...
http://park.itc.u-tokyo.ac.jp/jetlab/ISROMAC-13/ISROMAC13_program_tentative1.pdf
ENERGY
CONVERSION AND MANAGEMENT
2006 Laminar mixed convection heat transfer in a vertical circular tube under buoyancy ... generated by wind turbines: A case study at the Canary Islands ... 2100 Optimal design of stator interior permanent magnet machine with minimized ...
http://nstl1.nstl.gov.cn/pages/2008/19/00/49(8).pdf
ENERGY
CONVERSION AND MANAGEMENT
541 Nonlinear torque and stator flux controller for induction motor ... 587 Free convection heat transfer inside vertical and inclined elliptic" tubes with ... 660 Use of MinMaxEnt distributions defined on basis of MaxEnt method in wind ...
http://nstl1.nstl.gov.cn/pages/2008/19/00/49(4).pdf
WIND
ENERGY SYSTEMS
The tower mill had a fixed supporting tower with a rotatable cap which ...... adiabatically (i.e. without heat or mass transfer to its surroundings) and will ...... and convection from the earth, hence the air temperature tends to lag ...... A synchro consists of a stator with a balanced three-phase winding and a ...
http://eece.ksu.edu/~gjohnson/Windbook.pdf
Numerical
Simulation of Combustion and Rotor-Stator
Interaction in ...
by DD Isvoranu - 2003 - Cited by 7
http://downloads.hindawi.com/journals/ijrm/2003/169070.pdf
EMA(A4)
Ad_JRM
Convective Heat Transfer Downstream of a Back- ward-Facing Step and Behind a Jet in a Cross .... Rotor/Stator-Interaction on Film Cooling at the ..... generation and gas turbines; renewable power (wind, wave, tidal, hydro, solar and ...
http://downloads.hindawi.com/journals/ijrm/1998/123650.pdf
F:/data/boulot/theses/these_OVA/publi/ICEM
08/ICEM08_v5.dvi
stator currents, the induction machine traction characteristics, ..... to estimate the convective heat transfer coefficients in the both cavities. Fig. ..... wind turbines as well as in the cooling of electronic components. ...
http://jean.lebesnerais.perso.sfr.fr/ICEM2008.pdf
On
Contribution of Advanced Vortex Element Methods Toward Virtual
...
by K Kamemoto - 2004 - Cited by 8
http://www.scielo.br/pdf/jbsmse/v26n4/a03v26n4.pdf
Dated, 5th May, 2008
wind, tidal, bio-gas, geothermal, fuel cell, thermo photovoltaic, etc. .... minimization, Blade erosion, Construction of Rotor and Stator, .... Flame emissivity, Radiant and Convective heat transfer in steam generators, ...
http://www.jadavpur.edu/academics/Syllabi/Syll_Master of Power Engineering.pdf
SCHEME
SYLLABUS PAPER-1: GENERAL STUDIES AND MENTAL ABILITY
resistance, application of Heisler chart heat transfer by convection free and forced .... different types, lift and drag characteristics, wind mill components, ..... Protection of Alternators against stator faults, rotor faults, ...
http://website.apspsc.gov.in/Documents/SYLLABUS1/15.pdf
Contents - WSEAS congress
in Fluid Mechanics, Convection, Heat and Mass Transfer, Environmental Problems, Water ... Plenary Lecture II: Rotor-Stator Interactions in Centrifugal Diffuser Pumps ... Modeling the Flow Around the Poles of Wind Turbines ...
http://www.worldses.org/books/2008/rhodes/new_aspects_of_fluid_mechanics_and_aerodynamics.pdf
CURRICULUM
VITAE
mechanics and heat transfer based elective courses such as gas dynamics, pipeline design, nuclear engineering in the final ... Rotor stator interactions in centrifugal compressors. ... Computational modelling of heat convection in using waste heat ... A Design Project: Modelling and Construction of a Wind Turbines ...
http://www.mondragon.edu/bin/Doc/tutar_CV.pdf
Technical Report
by A Solum - Cited by 6
http://www.ewec2006proceedings.info/allfiles2/0102_Ewec2006fullpaper.pdf
E-11775
Cover set
by PW Giel - Cited by 15
http://www.grc.nasa.gov/WWW/TURBINE/docs/Giel_TM-1999-209296.pdf
ETS Energy and
Thermal Sciences
NUMERICAL SIMULATION OF FORCED TURBULENT HEAT CONVECTION IN SQUARE DUCTS ... Fluid flow and heat transfer in a regenerative heat exchanger matrix: analysis of the ..... ANALYSIS AND COMPUTATIONAL SIMULATIONS OF THE FLOW THROUGH STATORS DESIGNED FOR. POWER AUGMENTATION IN SAVONIUS WIND TURBINES. Akwa, João Vicente ...
ftp://ftp.mecanica.ufrgs.br/cobem/ETS.pdf
EXPERIMENTAL TURBINE AERO-HEAT TRANSFER STUDIES IN
ROTATING ...
14 Aug 2009 ... forced convection heat transfer research on the gas side of a ..... on the second stator of the VKI turbine research facility, Illiopoulou et al [2004] ... Facility (ILPF) as shown in Figure 18 is a short duration wind ...
http://www.personal.psu.edu/faculty/c/x/cxc11/papers/CC_ICHMT_Turbine09.pdf
M.Sc. MECHANICAL ENGINEERING
Turbines - degree of reaction, blade cooling, variable stator blades, blade calculations. ... Convective Heat Transfer: Forced and natural convection. ... Renewable energy sources: hydroelectric, wind, wave, tidal, ocean current, OTEC, ...
http://www.mecheng.ucl.ac.uk/learning/graduate/msc/courses/ucl_msc_mech_eng.pdf
REPORT ON THE BELGIAN PILOT CENTRE 2001-2004
viscosity turbulence models for convective impingement heat transfer. ... Unsteady rotor-stator interactions and multistage flow modelling. .... Aerothermodynamic simulation of inductively-coupled plasma wind tunnel flows ...
http://www.ercoftac.org/fileadmin/user_upload/pc/belgium/ercoftac-report-2004.pdf
Day-1 : 21 October 2009 (Wednesday) Venue: Manhattan III
Paper ID 76: Towers for offshore wind turbines. Paper ID 92: Effect of flow characteristics in the ... simulation of natural convection heat transfer in an enclosure ... separated flow of axial flow stator in diagonal flow fan ...
http://seminar.spaceutm.edu.my/aicfm2009/download/TENTATIVE PROGRAM AICFM1.pdf
THERMAL ENGINEERING
A., Convection Heat Transfer, John Wiley and Sons, 1984. .... in Steady Operation - Wind Turbulence - Yawed Operation and Tower Shadow. ..... blade twist stage design, surge and stall, stator and casing, mixed flow Impellers. ...
http://www.spce.ac.in/resources/syllabus/ME_Mech_Thermal_05-06.pdf
Torque Dense, External Rotor Hub-Drive for a Hybrid Solar
Vehicle
by R Wrobel - Cited by 1
http://www.motor-design.com/downloads/VPPC_2006_Outer_Rotor_BPM_Thermal_Analysis.pdf
Wind grid code for India
including the wind farms, to facilitate quick transfer of information to operational .... Stator reactance. p.u. Rotor leakage reactance. p.u. Rotor reactance ... for wind direction, and compared to the natural convection heat loss. ...
http://www.cwet.tn.nic.in/Docu/Wind grid code for India .pdf
EFFECTS OF HIGH INTENSITY, LARGE-SCALE FREESTREAM COMBUSTOR ...
by AC Nix - 2003 - Related articles
http://scholar.lib.vt.edu/theses/available/etd-04302003-115211/unrestricted/Nix2003.pdf
Measurements and Predictions of Heat Transfer for
a First Vane Design
contoured endwall on the heat transfer of a scaled-up stator vane. ...... wind tunnel test facility where many effects present in turbines can be ..... B. The convective heat flux from the surface of the vane took into account small ...
http://scholar.lib.vt.edu/theses/available/etd-01082004-161821/unrestricted/Gratton_Thesis.pdf
最新渦法の注目すべき特性とラグランジュ
LES 法としての課題
forced-convective heat transfer around a circular cylinder in a uniform ...... As the flow-unsteadiness generated by rotor-stator interaction in ... around wind turbines are required. Especially, for conditions out of the ...
http://wwwsoc.nii.ac.jp/jscfd/cfds14/pdf/b06-4.pdf
Wind Farm Integration in British Columbia – Stages
1 & 2: Planning ...
on transfer capability of key interfaces iii) effect on stability and iv) impact on short- circuit levels. ... Originally, wind turbines (or wind “mills”) were used for ..... in the air gap between the cage rotor and the stator windings. ...... qc = convective heat loss (primarily a function of ambient temperature, ...
http://www.bctc.com/NR/rdonlyres/400F610B-F057-484A-84D2-D92C55EAEE78/0/Wind_Farm_Planning_Interconnection_Report_for_BCTC_by_ABB.pdf
Certified by .... ... : ... ........ ... Accepted by ...
- Related articles
http://dspace.mit.edu/bitstream/handle/1721.1/28267/53024795.pdf?sequence=1
Adopted from pdflib image sample (C)
File Format: PDF/Adobe Acrobatby JL Kirtley Jr - 1977in conventional turbine generators requires that the stator core have teeth. ... by vacuum to reduce convective heat transfer. Moreover, in ..... ciently wind the many conductor turns. Since there were about. 2200 turns to be applied, ...
http://dspace.mit.edu/bitstream/handle/1721.1/16267/05242894.pdf?sequence=1
REPORT ON THE BELGIAN PILOT CENTRE 1996-2000
by D Erik - 2000Unsteady rotor-stator interactions and multistage flow modelling ... Aerothermodynamic model of inductively-coupled plasma wind tunnel ... Effect of main and secondary flows on heat transfer in a rib-roughned internal cooling ... Study of convective patterns and heat island effect on the drainage of urban pollution ...
http://projects.streamsys.be/ercoftac/fileadmin/user_upload/pc/belgium/ercoftac-report-2000.pdf
MONDAY
August 11, 2008
System with Wind. Turbines. Ryo S. Amano, University of Wisconsin-Milwaukee ... Rotor-Stator Interactions in an Axial Turbine. Jean-Mathieu Gagnon and ..... 55213 Natural Convection. Heat Transfer in. Nanofluids - A Numerical ...
http://www.heattransferconference.org/images/ProtemFL2.pdf
Current and Future Developments of the C-GEN Lightweight Direct
...
by N HodginsFigure 4: Assembly of stator and rotor with an engine hoist. The windings are concentrated coils wound .... increase in natural convection heat transfer coefficient from the surface. ... The scaling of direct drive generators for wind ...
http://www.see.ed.ac.uk/~shs/Wave Energy/EWTEC 2009/EWTEC 2009 (D)/papers/195.pdf
FLOW
AND THERMAL PERFORMANCE OF A GAS TURBINE NOZZLE GUIDE VANE ...
by S Lynch - Related articles
http://www.vsgc.odu.edu/src/Conf06/papers/Paper - Lynch.pdf
Sunday, May
3rd, 2009
Dominant Flow Around the Wind. Sensor on the Phoenix Mars .... CFDSC2009-4C1. Natural Convective Heat. Transfer from Two. Vertically Spaced ... Classical Wake/Stator. Interactions Addressed with an Analytical. Cascade Model ...
http://www.cfdsc.ca/cfdsc2009-preliminary-program.pdf
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