Ojiji nke turbocharging na injin mgba ọkụ dị n'ime bụ ihe dị mkpa iji gboo ike kachasị ọhụrụ na ihe ikuku chọrọ maka nnukwu mmanụ dizel na gas. Iji nweta
mgbanwe a chọrọ, enwere ike imepụta turbocharger site na ngafe na ọnụ ụzọ mkpofu, ma ọ bụ na-agbanwe kpamkpam turbine geometries (VGT). Ojiji nke ọnụ ụzọ mkpofu na-emebi arụmọrụ turbocharger mana ọ na-enye ihe ngwọta dị ọnụ ahịa na nke siri ike maka mgbanwe achọrọ. Sistemu VGT ndị a na-emebu chọrọ ọnụ ọgụgụ buru ibu nke ihe eji eme ihe na-ebugharị nozzle ọ bụla n'adabereghị na ya site na mgbanaka mmegharị na mgbe ụfọdụ site na ogwe aka lever.
N'agbanyeghị mgbagwoju anya ha, VGT turbocharging na-enye uru dị ukwuu ma e jiri ya tụnyere turbocharger jiometrị edoziri dabara adaba
ma ọ bụrụ na ibu zuru oke, na-ahapụ oghere na ngwa ngwa ngwa, ma ọ bụ dakọtara na obere ibu ma na-achọ ọnụ ụzọ mkpofu. Mbipụta ahụ na-akọwa ihe achọrọ nke ịnweta nozulu nke nwere ike ịkwaga axially iji nabata ọnụnọ nke nkwụnye ego na mgbasawanye ọkụ iji gbochie agụba ahụ ịrapagidesi ike. Conventional VGT usoro na-adịghị ọtụtụ etinyere na ngwa ebe a na-achọrọ ike dị elu, ntụkwasị obi dị elu na ogologo ndụ ogologo oge n'ihi ọnụ ahịa na ihe mgbagwoju anya, n'ihi nke a, e chepụtara ọtụtụ mmepe iji nweta turbocharger VGT na nhazi dị mfe na obere ihe na-akpụ akpụ. .
Ọrụ a na-atụpụta echiche ọhụrụ nke mgbanwe geometry turbocharger nozzle nke enwere ike itinye na nhazi axial na radial turbocharger. Echiche ahụ na-enye mbelata dị ukwuu na akụkụ ndị na-akpụ akpụ na ya mere nwere ikike nke ibelata ọnụ ahịa nke turbocharger na ịba ụba ntụkwasị obi ya ma e jiri ya tụnyere ụdị VGT nkịtị. Echiche a nwere isi nozzle na ihe mkpuchi tandem. Nke ọ bụla n'ime nozzles ndị a bụ mgbanaka nwere ọnụ ọgụgụ vanes achọrọ. Site n'ịkwanye otu nozzle n'akụkụ nke ọzọ, ọ ga-ekwe omume gbanwee akụkụ ọpụpụ nke oghere ahụ, ma gbanwee mpaghara akpịrị n'ụzọ ka enwere ike nweta mgbanwe nke oke mmiri na-agafe na nozzle.
Ntụaka
P. Jacoby, H. Xu na D. Wang, "VTG Turbocharging - bara uru echiche maka traction ngwa," na CIMAC Akwụkwọ Nke 116, Shangai, China, 2013.
Oge nzipu: Jun-07-2022