Họrọ Asụsụ Ogologo ogologo ndụ nke ihe owuwu injinia ọgbara ọhụrụ—site na ihe ndị mejupụtara ikuku na-agba ọsọ ruo na nnukwu turbin ụlọ ọrụ mmepụta ihe—ike a na-adịghị ahụ anya nke igwe igwe na-eyi egwu mgbe niile. Mgbe a na-etinye ihe onwunwe n'usoro nrụgide ugboro ugboro, mgbawa microscopic na-amalite ịmalite, na-emecha na-eduga ná ọdịda nhazi nke ọdachi, ihe a maara dị ka ike ọgwụgwụ. Iji luso nke a ọgụ, sayensị akụrụngwa etoliSona gafere Dumoys siri ike iji nabata physics ọkaibe nke ihe Sanwichi viscoelastic dị elu . Ngwakọta a pụrụ iche na-arụ ọrụ dị ka usoro nchebe bụ isi, na-amịkọrọ ike kinetic nke ga-adọkasị ihe owuwu dị iche na ime.
Fisiks nke Mgbasa Ike n'ime ihe Sanwichi Viscoelastic dị elu
N'ime isi nke nchekwa ihe nhazi bụ omume molekụla pụrụ iche nke viscoelasticity. N'adịghị ka ihe na-agbanwe naanị nke na-echekwa ma na-eweghachi ume (dị ka mmiri mmiri) ma ọ bụ ihe viscous nke na-eru n'okpuru nrụgide (dị ka mmanụ aṅụ), a ihe Sanwichi viscoelastic dị elu nwere "ncheta" nke na-enye ya ohere ịgbasa ume dị ka okpomọkụ. Mgbe akụkụ ihe arụrụ arụ na-ama jijiji, oyi akwa viscoelastic dị n'ime Sanwichi na-edobe nhịahụ. N'ihi usoro ihe omimi ya, ụdọ polymer na-amali megide ibe ya, na-eke esemokwu dị n'ime.
Esemokwu dị n'ime a bụ isi ihe na-ebelata ike ọgwụgwụ. Site n'ịtụgharị ike n'ibu nke ịma jijiji ka ọ bụrụ ike ọkụ na-enweghị atụ, ihe Sanwichi na-egbochi mwulite elu ugwu na-agbapụta. N'ihe eji eme monolithic ọdịnala, ọnụ ọnụ ndị a na-abawanye nrụgide n'otu oge, na-eme ngwa ngwa "ịgbasi ike ọrụ" na mgbawa nke igwe. Njikọ nke isi viscoelastic na-eme ka ike ahụ "na-agbapụ" tupu ya enwee ike iru ọkwa dị oke egwu, na-ekpuchi akpụkpọ anụ ahụ nke ọma site na ike mbibi nke resonance.
Nkesa ibu emelitere site na Plate na-eme mkpọtụ na-emekọ ihe
N'ime ngwa ọrụ dị arọ dị ka ụgbọ mmiri ụgbọ mmiri ma ọ bụ ihe nkwado ụgbọ okporo ígwè, nkwụsịtụ enweghị ike ịbụ echiche azụ; ọ ga-abụrịrị akụkụ nke ụzọ ibu nhazi. Nke a bụ isi ọrụ nke efere ihe na-eme mkpọtụ ihe mejupụtara mejupụtara . A na-emezi efere ndị a ka ọ nọgide na-enwe ike dị elu na ike mkpakọ ka ọ na-enye ihe ndị na-eme ka mmiri dị n'ime. Site n'ịkpa eriri nwere ike dị elu-dị ka carbon ma ọ bụ aramid-n'ime matriks nke gụnyere resins na-ekpochapụ, ndị injinia na-emepụta ihe nke bụ ma ọta na ọkpụkpụ.
Nke efere ihe na-eme mkpọtụ ihe mejupụtara mejupụtara na-arụ ọrụ site n'ikesa ibu vibrational n'ofe mbara ala. Na efere ígwè ọkọlọtọ, ịma jijiji na-apụtakarị na nkwonkwo, ihe nkedo, ma ọ bụ welds, na-emepụta "ebe dị ọkụ" maka ọdịda ike ọgwụgwụ. Ụdị ngwakọta nke efere ndị a na-ekpo ọkụ na-enye ohere ka ike gbasaa site na netwọk eriri, ebe matrix damping na-ejide ya. Usoro njikwa ike nke ụwa zuru ụwa ọnụ na-eme ka o doo anya na ọ dịghị otu isi ihe owuwu ahụ na-ebu oke nrụgide n'ibu, na-agbatị oge n'etiti usoro mmezi ma na-ebelata ọnụ ahịa nke ihe onwunwe maka nnukwu akụrụngwa.
Mwepu nkenke site na igwe egwu egwu dị elu nke Multilayer
Ọ bụ ezie na nnukwu efere na-ejikwa ibu arụ ọrụ, igwe ziri ezi chọrọ ụzọ ezubere iche maka ikewapụ ya. Nke multilayer elu-damping damper vibration bụ kọmpat, ngwọta dị elu nke e mere iji mebie ihe ndị nwere mmetụta sitere na ụzụ na-emegharị ugboro ugboro. A na-ejikarị dampers ndị a na ụlọ ọrụ semiconductor, onyonyo ahụike, na akụrụngwa ọdịyo dị elu, ebe ọbụlagodi micron nke mmegharị nwere ike bute mfu data ma ọ bụ njehie igwe.
A multilayer elu-damping damper vibration na-arụ ọrụ na ụkpụrụ nke impedance mismatching. Site n'ịkwakọba njupụta dị iche iche na ngbanwe, mmiri mmiri na-emepụta ụzọ siri ike maka ịma jijiji ịga njem. Ka ụda mkpọtụ na-agafe n'ígwé, ọ ghaghị ịgafe ọtụtụ oghere, nke ọ bụla e mere iji gosipụta akụkụ nke ume azụ ma ọ bụ banye ya site na shear viscoelastic. Nke a "labyrinth" maka kinetic ume ana achi achi na mmepụta akụkụ nke damper ka fọrọ nke nta ka ọ gbachie nkịtị, na-echebe ndị siri sub-mgbakọ si n'ike ọgwụgwụ na-akpali vibrations nke jụrụ jụrụ, moto, ma ọ bụ mpụga gburugburu ebe obibi.
Nchekwa holistic nke ngwọta dị elu na-ekpo ọkụ nke ukwuu
N'ebe dị oke egwu - dị ka ụgbọ ala ndị agha na-anọghị n'okporo ụzọ ma ọ bụ ụgbọ elu ikuku - mkpọtụ na-esochi ya na mberede, nnukwu ihe ịma jijiji. Ihe ndị na-ekpocha ọkụ na-adịkarị "n'okpuru ala" n'oge ihe omume ujo, na-efunahụ arụmọrụ ha kpọmkwem mgbe achọrọ ha kacha. Nke a bụ ebe multi-layer elu damping shockproof ngwọta na-egosi uru ha bara. Emebere usoro ndị a ka ọ bụrụ "na-abụghị linear," nke pụtara nguzogide ha na-abawanye ka ike nke mmetụta na-eto eto.
Akụkụ "shockproof" nke a multi-layer elu damping shockproof A na-enweta mgbakọ site na nhazi usoro nke ụfụfụ dị nro, nke na-enye ume na ihe siri ike, ndị na-ebu ibu. N'oge arụ ọrụ nkịtị, ọkwa dị nro na-achịkwa ịma jijiji dị ala iji gbochie ike ọgwụgwụ ogologo oge. N'oge ihe omume ujo, akwa akwa ndị siri ike na-etinye aka iji gbochie ihe owuwu ahụ ịkụda oke ọrụ ya. Nke a multi-tiered agbachitere hụ na ihe owuwu na-adị ndụ ozugbo mmetụta ma na-egbochi elu-ugboro ugboro "mgbanaka" na-eso a ujo, nke na-abụkarị a zoro ezo na-atụnye aka ngwa ngwa ike ọgwụgwụ na electronic enclosures na airframes.
Ihe mgbochi ịma jijiji dị elu nke Multilayer : Ihe ohuru ohuru na Sayensị ihe eji eme Viscoelastic
The evolushọn nke ihe Sanwichi viscoelastic dị elu na-aga n'ihu na mpaghara nke "arụ ọrụ" na "smart" mejupụtara. Ndị nchọpụta na-enyocha ugbu a njikọ nke piezoelectric fibers n'ime efere ihe na-eme mkpọtụ ihe mejupụtara mejupụtara . Fibre ndị a nwere ike iwepụta ụgwọ eletrik ma ọ bụrụ nrụrụ site na ịma jijiji, nke enwere ike iji mee ka ihe mmetụta na-enyocha ahụike nhazi nke ihe ahụ ozugbo. Nke a na-emepụta usoro "nchọpụta onwe onye" nke nwere ike ime ka ndị injinia mara mmalite nke ike ọgwụgwụ tupu a hụ ya n'anya gba ọtọ.
Ọzọkwa, mmetụta gburugburu ebe obibi nke ihe ndị a bụ ihe na-eto eto nke ụlọ ọrụ. Ọgbọ ọzọ nke multilayer elu-damping damper vibration A na-emepụta ya site na iji polymers recycled na biobased resins nke na-enye otu arụmọrụ viscoelastic na-enweghị akara carbon nke ngwaahịa ndị sitere na mmanụ ala. Site n'ịnụcha geometry molekụla nke ihe ndị a na-adigide, ndị na-emepụta na-enweta oke mgbakasị elu ka ha na-eji obere mkpokọta mkpokọta, na-enye aka na ntinye aka zuru ụwa ọnụ maka injinịa dị fechaa, na-arụ ọrụ ike.
Ogologo ogologo ndụ nke ihe owuwu injinia ọgbara ọhụrụ—site na ihe ndị mejupụtara ikuku na-agba ọsọ ruo na nnukwu turbin nke ụlọ ọrụ mmepụta ihe—ike a na-adịghị ahụ anya nke igwe igwe na-eyi egwu mgbe niile.
