labarai

3D bugu na thermoplastic ruwan wukake yana ba da damar waldawar thermal kuma yana haɓaka sake yin amfani da shi, yana ba da yuwuwar rage nauyin injin turbine da farashi da aƙalla 10%, da lokacin sake zagayowar samarwa da kashi 15%.

Tawagar masu bincike na National Renewable Energy Laboratory (NREL, Golden, Colo., US), karkashin jagorancin babban injiniyan fasahar iska na NREL Derek Berry, suna ci gaba da ci gaba da sabbin fasahohinsu na kera ingantattun injin injin iska takara haduwarsuna recyclable thermoplastics da ƙari masana'antu (AM). An sami ci gaban ci gaban ta hanyar ba da kuɗi daga Babban Ofishin Masana'antu na Ma'aikatar Makamashi ta Amurka - kyaututtukan da aka tsara don haɓaka sabbin fasahohi, haɓaka haɓakar makamashin masana'antar Amurka da ba da damar kera samfuran tsinke.

A yau, yawancin injin injin injin injin da ake amfani da shi suna da ƙira iri ɗaya: Fatun ruwan fiberglass guda biyu suna haɗe tare da manne kuma suna amfani da abubuwa guda ɗaya ko da yawa waɗanda ake kira shear webs, tsarin da aka inganta don inganci a cikin shekaru 25 da suka gabata. Duk da haka, don sanya injin turbin iska ya fi sauƙi, tsayi, ƙasa da tsada kuma mafi inganci wajen ɗaukar makamashin iska - gyare-gyare masu mahimmanci ga burin yanke fitar da iskar gas a wani ɓangare ta hanyar haɓaka samar da makamashin iska - masu bincike dole ne su sake tunani gaba ɗaya na al'ada clamshell, wani abu da yake shi ne. babban fifikon ƙungiyar NREL.

Don farawa, ƙungiyar NREL tana mai da hankali kan kayan matrix resin. Zane-zane na yanzu sun dogara da tsarin resin resin thermoset kamar epoxies, polyesters da vinyl esters, polymers waɗanda, da zarar an warke, haɗin giciye kamar brambles.

"Da zarar kun samar da ruwa tare da tsarin resin resin thermoset, ba za ku iya juya tsarin ba," in ji Berry. "Hakanan [kuma] yana sanya ruwawuya a sake sarrafa su.”

Yin aiki tare daCibiyar Ƙirƙirar Ƙirƙirar Ƙirƙirar Ƙirƙirar Ƙirƙira(IACMI, Knoxville, Tenn., US) a cikin NREL's Composites Manufacturing Education and Technology (CoMET) Facility, ƙungiyar cibiyoyi da yawa sun ɓullo da tsarin da ke amfani da thermoplastics, wanda, ba kamar kayan thermoset ba, za a iya mai tsanani don raba ainihin polymers, yana ba da damar ƙarewa. -na-rai (EOL) sake yin amfani da su.

Hakanan za'a iya haɗa sassan ruwan zafi na thermoplastic ta amfani da tsarin walda mai zafi wanda zai iya kawar da buƙatar adhesives - galibi abubuwa masu nauyi da tsada - ƙara haɓaka sake yin amfani da ruwa.

"Tare da abubuwa biyu na thermoplastic ruwa, kuna da ikon haɗa su tare kuma, ta hanyar aikace-aikacen zafi da matsa lamba, haɗa su," in ji Berry. "Ba za ku iya yin hakan tare da kayan thermoset ba."

Ci gaba, NREL, tare da abokan aikinAbubuwan haɗin TPI(Scottsdale, Ariz., Amurka), Ƙarin Injiniya Solutions (Akron, Ohio, Amurka),Kayan aikin Injin Ingersoll(Rockford, Ill., US), Jami'ar Vanderbilt (Knoxville) da kuma IACMI, za su haɓaka ingantattun ginshiƙan ɓangarorin ruwa don ba da damar samar da ingantaccen farashi na babban aiki, manyan igiyoyi masu tsayi - sama da mita 100 a tsayi - waɗanda ba su da ƙarancin ƙarfi. nauyi.

Ta hanyar amfani da bugu na 3D, ƙungiyar binciken ta ce tana iya samar da nau'ikan ƙira da ake buƙata don sabunta injin turbine tare da ingantattun injiniyoyi, masu siffa mai siffa mai ɗimbin yawa da geometries tsakanin fatun tsarin injin turbine. Za a cusa fatun ruwa ta amfani da tsarin resin thermoplastic.

Idan sun yi nasara, ƙungiyar za ta rage nauyin injin turbine da farashi da 10% (ko fiye) da lokacin sake zagayowar samarwa da aƙalla 15%.

Baya gababbar lambar yabo ta AMO FOAdon tsarin injin injin injin thermoplastic na AM, ayyuka biyu na ƙarƙashin ƙasa kuma za su bincika dabarun masana'antar injin injin iska. Jami'ar Jihar Colorado (Fort Collins) tana jagorantar wani aiki wanda kuma ke amfani da bugu na 3D don yin abubuwan haɓaka fiber-ƙarfafa don tsarin ƙirar iska na ciki, tare daOwens Corning(Toledo, Ohio, Amurka), NREL,Arkema Inc. girma(Sarkin Prussa, Pa., Amurka), da Vestas Blades America (Brighton, Colo., US) a matsayin abokan tarayya. Aikin na biyu, wanda GE Research (Niskayuna, NY, US) ke jagoranta, ana yiwa lakabi da AMERICA: Additive and Modular-Enabled Rotor Blades and Integrated Composites Assembly. Haɗin gwiwa tare da Binciken GE suneOak Ridge National Laboratory(ORNL, Oak Ridge, Tenn., US), NREL, LM Wind Power (Kolding, Denmark) da GE Renewable Energy (Paris, Faransa).

Daga: compositesworld