LEADER 04631nam 2200661 a 450 001 9910961925203321 005 20251116140421.0 010 $a9786610203833 010 $a9780309132527 010 $a0309132525 010 $a9781280203831 010 $a1280203838 010 $a9780309583183 010 $a0309583187 010 $a9780585149424 010 $a0585149429 035 $a(CKB)110986584751056 035 $a(SSID)ssj0000106784 035 $a(PQKBManifestationID)11131092 035 $a(PQKBTitleCode)TC0000106784 035 $a(PQKBWorkID)10110632 035 $a(PQKB)10278883 035 $a(MiAaPQ)EBC3376241 035 $a(Au-PeEL)EBL3376241 035 $a(CaPaEBR)ebr10055268 035 $a(CaONFJC)MIL20383 035 $a(OCoLC)814274611 035 $a(Perlego)4734348 035 $a(BIP)101025 035 $a(EXLCZ)99110986584751056 100 $a19910305d1991 uy 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt 182 $cc 183 $acr 200 00$aAssessment of research needs for wind turbine rotor materials technology /$fCommittee on Assessment of Research Needs for Wind Turbine Rotor Materials Technology, Energy Engineering Board, Commission on Engineering and Technical Systems, National Research Council 205 $a1st ed. 210 $aWashington, D.C. $cNational Academy Press$d1991 215 $a108 p 300 $aBibliographic Level Mode of Issuance: Monograph 311 08$a9780309044790 311 08$a0309044790 320 $aIncludes bibliographical references. 327 $aASSESSMENT OF RESEARCH NEEDS FOR WIND TURBINE ROTOR MATERIALS TECHNOLOGY -- Copyright -- PREFACE -- Contents -- Executive Summary -- RESEARCH RECOMMENDATIONS -- MATERIALS -- DESIGN -- MANUFACTURING -- 1 INTRODUCTION -- SCOPE AND CONTENT -- WIND-DRIVEN POWER PLANTS -- WHY MATERIALS KNOWLEDGE IS CRITICAL -- THE EVOLUTION OF WIND-DRIVEN POWER PLANTS -- THE PRINCIPAL COMPONENT: WIND TURBINES -- POWER CONVERSION EQUATIONS -- THE WIND ENVIRONMENT -- FATIGUE CYCLE ACCUMULATION -- REFERENCES AND BIBLIOGRAPHY -- 2 STRUCTURAL LOADING CHARACTERISTICS -- LOAD CHARACTERIZATION -- BLADE FAILURE EXPERIENCE -- LESSONS FROM HELICOPTER EXPERIENCE -- RECOMMENDATIONS -- REFERENCES AND BIBLIOGRAPHY -- 3 MATERIALS PROPERTIES AND LIFE PREDICTION -- FIBERS -- MATRIX MATERIALS -- E-GLASS/PLASTIC COMPOSITES -- FATIGUE LIFE PREDICTION -- TOUGHNESS CONSIDERATIONS -- WOOD/EPOXY COMPOSITES -- RECOMMENDATIONS -- REFERENCES AND BIBLIOGRAPHY -- 4 WIND TURBINE ROTOR DESIGN ISSUES -- AIRFOIL EVOLUTION -- AERODYNAMIC TIP BRAKES -- BLADE ROOT RETENTION -- Glass-Reinforced Plastic (Grp) Blade Roots -- WOOD/EPOXY BLADE ROOTS -- BLADE JOINING -- BLADE DESIGN CONSIDERATIONS -- Fiberglass Blades -- Wood/Epoxy Blades -- RECOMMENDATIONS -- Grp -- Wood/Epoxy -- Generic -- REFERENCES AND BIBLIOGRAPHY -- 5 MANUFACTURING PROCESSES FOR ROTOR BLADES -- CURRENT MANUFACTURING PROCESSES -- Blade Root End Concepts -- Manufacturing Methods Influence Blade Life -- Matrix Stress Versus Fatigue -- HELICOPTER ROTOR BLADE DESIGN AND PROCESSING -- MANUFACTURING PROCESSES APPLICABLE TO WIND TURBINE BLADES -- Resin Transfer Molding (RTM) -- Pultrusion -- Fiber Placement -- ROOT END DESIGN FOR PRODUCIBILITY -- MANUFACTURING RECOMMENDATIONS -- REFERENCES AND BIBLIOGRAPHY -- 6 ACTIVE CONTROL IN WIND TURBINES -- THE CONTROL PROBLEM FOR WIND TURBINES -- RECENT TRENDS IN CONTROL SYSTEM THEORY. 327 $aEXISTING CONTROL TECHNOLOGY FOR WIND TURBINES -- ROLE OF CONTROL TECHNOLOGY IN THE WIND POWER INDUSTRY -- REFERENCES AND BIBLIOGRAPHY -- 7 CONCLUSIONS AND RECOMMENDATIONS -- CONCLUSIONS -- RESEARCH RECOMMENDATIONS -- APPENDIX A STATEMENT OF TASK -- OBJECTIVES -- TASKS TO BE PERFORMED -- ASSESSMENT OUTCOME -- APPENDIX B COMMITTEE MEETINGS AND ACTIVITIES. 330 $aWind-driven power systems represent a renewable energy technology. Arrays of interconnected wind turbines can convert power carried by the wind into electricity. This book defines a research and development agenda for the U.S. Department of Energy's wind energy program in hopes of improving the performance of this emerging technology. 606 $aWind turbines$xMaterials$xResearch$zUnited States 615 0$aWind turbines$xMaterials$xResearch 676 $a621.4/5 712 02$aNational Research Council (U.S.).$bEnergy Engineering Board. 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910961925203321 996 $aAssessment of research needs for wind turbine rotor materials technology$94367901 997 $aUNINA