Ngā Whakamahinga o te Ahupūngao i roto i te Ahumahi Motuka
Pengantar
Kei te haere tonu te auahatanga me te tere o te whanaketanga o te umanga motuka i ia rā, i ia rā. Ko tētahi o ngā mea matua e akiaki ana i tēnei ahunga whakamua ko te whakamahinga o te ahupūngao. He mea nui te ahupūngao i roto i ngā āhuatanga maha o te hoahoa, te hanga, me te whakahaere waka. Ka tūhuratia e tēnei tuhinga te whakamahinga o ngā tono ahupūngao i roto i te umanga motuka hei whakapai ake i te whai huatanga, te haumaru, te whakamarie, me te mahi a te waka.
Te Whai Hua o te Pūngao me te Whakamahinga Wahie
Āhuarangi
Ko te aerodynamics tētahi peka o te ahupūngao he mea nui ki te hoahoa waka. E pā ana tēnei mātāpono ki te nekehanga o te hau i te taha o te waka i a ia e neke ana. Ka taea e te hoahoa aerodynamic pai te whakaiti i te ātete hau (tō), ā, ka pai ake te whai huatanga o te wahie. Ka whakamahia e ngā miihini ngā kauhanga hau me ngā whakatauira rorohiko hei whakamātautau i ngā hoahoa waka me te whakarite kia whakaitihia te tō mō ngā haerenga maeneene ake, he pai ake te penapena wahie.
Papatipu me te Tohatoha
Ko te whakaiti i te taumaha o te waka tētahi huarahi whai hua hei whakapai ake i te whai huatanga o te wahie. E kī ana te mātāpono ahupūngao, ko te mama ake o te waka, ko te iti ake o te pūngao e hiahiatia ana hei neke. Nō reira, kua tino rongonui ngā rauemi mama pēnei i te konumohe, te konupora, me te muka waro i roto i te hanganga waka hou. Hei tāpiri, he mea nui hoki te tohatoha tika o te taumaha hei pupuri i te taurite me te pumau o te waka, e pā ana ki te hihiri o te waka.
Pūnaha Pēki
Te Kaha me te Waku
Ka whakamahia e te pūnaha aukati ngā mātāpono taketake o te kaha me te waku hei whakamutu i tētahi waka. Ina pēhia te pētera aukati, ka whakanuia e te pūnaha waipēhi te pēhanga e whakamahia ana hei pana i ngā papa aukati ki te kōpae aukati. Ka puta te wera me te whakaheke tere i te waku i waenga i ngā papa me te kōpae, ā, ka mutu te waka. Mā te arotau i ngā rauemi me te hoahoa o te pūnaha aukati, ka taea e ngā kaihangarau te whakapai ake i te whai huatanga o te aukati me te whakaiti i te kaha o te kino o ngā wāhanga.
Pūnaha Whakatārewatanga
Te Mārama me te Whakaiti
Ko te mahi matua o te pūnaha whakatārewatanga he mimiti i te ru me te pupuri i te pa o te wira ki te rori kia pai ai te noho haumaru me te whakamarie o te kaieke. Ko ngā mātāpono ā-tinana e whakamahia ana i konei ko te pakari me te whakamātao. Ka arotauhia e te pūnaha whakatārewatanga pai ēnei āhuatanga e rua kia pai ai te urupare ki ngā āhuatanga rerekē o te rori. Ko te whakamahinga o ngā whakamātao ru e whakahaerehia ana e te hau, te hinu rānei, he tauira o te whakamahinga o te ahupūngao i roto i ngā pūnaha whakatārewatanga.
Ngā Āhuahanga Newtonian
Nekehanga me te Momentum
Ko ngā mātāpono o te miihini Newtonian te pūtake mō ngā āhuatanga maha o te hoahoa aunoatanga. Ko te ture tuatahi a Newton, e pā ana ki te inertia, e whakamārama ana he aha te take e hiahiatia ai he kaha nui mō te waka hei tīmata i te nekehanga me te wikitoria i te ātete pēnei i te ātete hau me te waku. Ko te ture tuarua, e whakaahua ana i te whanaungatanga i waenga i te kaha, te papatipu, me te whakaterenga (F=ma), te pūtake mō te tatau i te mahi miihini me te hoahoa i ngā wāhanga pēnei i ngā tuku me ngā pūnaha urungi.
Ngā Ahumahi Waka
Ka whakamahia e te pūnaha hihiri waka ngā mātāpono o te ahupūngao hei tātari me te matapae i te whanonga o te waka i raro i ngā āhuatanga rerekē. Hei tauira, ina tahuri te waka, ka hiahiatia te kaha pokapū hei pupuri i tōna ara. Ka pāngia te pai o te whakahaere a te waka i tēnei nekehanga e ngā tawhā pēnei i te tere, te pūtoro tahuri, me te tohatoha papatipu. Kua hangaia ngā pūnaha whakapūmau hou pēnei i te mana kukume me te mana whakapūmau hiko (ESC) hei whakamahi i ngā mātāpono o te hihiri waka hei whakapai ake i te haumaru me te mahi.
Hangarau Hiko me te Hikohiko
Pūnaha Puku Hiko
Ko ngā waka hiko (EV) tētahi o ngā auahatanga matua i roto i te umanga motuka, e whakamahi ana i ngā mātāpono o te ahupūngao i roto i tā rātou mahi. Ko te mātāpono taketake o te ture a Ohm (V=IR), te whanaungatanga i waenga i te ngaohiko, te iahiko, me te ātete, he mea nui i roto i te hoahoa o ngā pākahiko me ngā pūnaha taraiwa hiko. Hei tāpiri, ko te hurihanga o te pūngao mai i te matū ki te hiko i roto i ngā pākahiko me te hiko ki te miihini i roto i ngā motuka pana e uru ana ki ngā mātāpono maha o te ahupūngao me te miihini hiko.
Hangarau Pūoko me te Whakaoho
Ka whakamahia e ngā pūnaha hiko pēnei i ngā pūnaha aukati-raka (ABS), ngā pēke hau, me ngā pūnaha whakatere ngā pūoko hei ine i ngā tawhā ā-tinana pēnei i te pēhanga, te tere, me te whakaterenga. Kātahi ka tukuna e ēnei pūoko ngā raraunga ki tētahi waeine whakahaere hiko (ECU), e tukatuka ana i ngā mōhiohio, ā, ka tukuna ngā tohu ki ngā kaiwhakaoho hei mahi i ngā mahi motuhake. Hei tauira, i roto i tētahi pūnaha ABS, ka aroturukihia e ngā pūoko te tere o te wira, ka whakahaere hoki i te pēhanga o te parai hei ārai i te raka o te wira i te wā o te parai ohorere.
Te Whakawhiti Wera me te Thermodynamics
Pūnaha Whakamatao
Ka pupuri te pūnaha whakamatao o te waka i te pāmahana tino pai o te mīhini. Ka whakamahia te mātāpono o te whakawhiti wera i konei, arā, ka mimiti te wai whakamatao i te wera mai i te mīhini, ka whakamararatia mā roto i te radiator. Mā te whakamahi i ngā tara whakamatao me te pā radiator ka tere ake te tukanga whakamararatanga wera ki te hau. Ko ngā mātāpono o te kawe wera me te convection te pūtake mō te hoahoa me te arotau i ngā pūnaha whakamatao waka.
Te Whai Hua o te Mīhini
Ka whakahaerehia ngā miihini mura ā-roto i runga i te huringa thermodynamic, arā, te huringa Otto, te huringa Diesel rānei. Ka whakamahia ngā mātāpono pēnei i ngā ture tuatahi me te tuarua o te thermodynamics hei tātari i te whai huatanga o te miihini me te pūngao wera e puta mai ana i te mura wahie. Ka whai ngā miihini ki te whakanui ake i tēnei whai huatanga mā te whakanui ake i ngā ōwehenga kōpeketanga, te whakapai ake i ngā pūnaha weronga wahie, me te whakamahi i te hangarau turbocharging hei whakanui ake i te putanga mana me te kore e whakanui ake i te whakapaunga wahie.
Whakamutunga
He mea nui te mahi a te ahupūngao i roto i ngā āhuatanga maha o te umanga motuka. Mai i te hoahoa aerodynamic me ngā pūnaha aukati ki te whakatārewatanga, ki te hangarau hiko me te thermodynamic, ka whakamahia ngā mātāpono o te ahupūngao hei whakapai ake i te whai huatanga, te haumaru, me te mahi a te waka. Mā te whakamahinga whai hua o te ahupūngao, ehara i te mea ka taea te whakawhanake i ngā waka matatau ake me te utu nui, engari ka tautoko hoki i ngā mahi tiaki pūngao me te taiao. Ka whai pānga tonu te heke mai o te umanga motuka ki ngā auahatanga i roto i te ahupūngao me te hangarau, ka kawea mai he huringa me te whakapainga tonu ki te huarahi e taraiwa ai tātou.
