Taimaha motuhake

Pea kihai ākonga kore i nei rongo te raruraru e whai ake nei: "Ko tehea te - te kiro o fluff kirokaramu ranei pereki?". Ko te mea tino pākiki ko e, ahakoa te tito noa-waha, he maha rawa whiwhi wāhi i roto i te tautohe huakore. A, no te reira i te wahi i roto i te mahi pāpori - he mohiotia, engari e taea ana te kī reira i e kua matau te aromatawai o te raraunga taimaha o ngā karapoti ana i runga i te whakarite o ratou āhuatanga nuinga mai te wa o Archimedes. E matau āhuatanga motuhake ki te hei i te huru o te tahi mau o nga uara whanganga, hei tauira, te taimaha me te rōrahi. Tātaihia te rahi o G i te ōwehenga:

G = P / V, me te waeine inenga i roto i SI - n / mita pūtoru.

Taumaha - he mehua o te mahara o te whenua, me te mahara motuhake hoki e kore e take te āhuatanga tinana o matū, mai tei te reira i runga i te wāhi o inenga. He aha te mea te reira ki te kia? A haamana'o na e te P taimaha - ko te kaha mara āhuatanga tō, e pā nei te ki āhuatanga inertial taonga m papatipu, i te whakaterenga o free hinga g. I te tahi atu te ringa, g - vacillates me tei, tae atu, ka i taunga matawhenua. Mai te mea tika tonu a Newton tuatahi ture P = m * g, he reira taea ki te faaoti e te rerekētanga o taimaha i te wa ano ki te huringa i roto i te whakatere tō.

Ko te whakamāramatanga matarohia ko: "Ko te wahi - ko te ōwehenga o te taimaha tinana ki tona rōrahi." Heoi, i tenei tapatahi takoto matatini rawa nui - arahina wae tono hē ki te whakama o te ariā e pā ana ki te taimaha me te tinana taimaha. Ka rite ki mohiotia te, wae papatipu pūnaha (SI) he rite ki te 1 kg, me te kaha i roto i tenei pūnaha, kia rite ki te ture a Newton, kua whanganga reira i roto i Newton te, me te 1H = 0,102 kg * 9.8 m / hekona. sq.

He tokomaha hoki ngā tono hangarau he ahua ērā wae kaha Newton, na noa haere i runga i ki te waihanga i tētahi pūnaha inenga hou - pūnaha ngahuru tō. I titoa te reira o ngā waeine whakauru o inenga: mita - kgf - tuarua. He aha homai? Simplifies te reira i te whakamahi o ngā waeine o te kaha i roto i te ora tūturu e tika ana ki te whakapuaki tau taua o te taimaha motuhake, me te mahara motuhake, arā kiato i roto i ngā pūnaha rerekē, ngā e ko te tamau hokiate ranei te whakaterenga g.

Ko te hiahia ki te whakamahi i taimaha motuhake kī i te hangarau tāutu rauemi, te faaotiraa o poke i roto i to ratou hanganga porosity ranei.

Well-mohiotia tikanga mō te whakatau i te tauira o te koura, kiato kohatu hanganga, me ētahi atu whanganga te taimaha tinana e me, i te utuhiraa i roto i te wai, tona rōrahi, ka mea te toenga kei te - taputapu pakihi: te tikanga taketake o ine te mahara motuhake e hāngai ana i runga i te displacement o ngā taatou. Ngā whai hua ko te whakamahi o ngā raraunga whiwhi i roto i tenei tikanga, i roto i te ako o te konganuku me ratou alloys. Tikanga, he priori mohiotia rahi pauna o whakarewa ki ngā āhuatanga pai-ako. Ratou tuakiri ki ngā tauira hou whakaturia i roto i te tikanga maha, engari timata te ako whanganga i te mahara motuhake.

Ko te wai e whakamahia ana ko te tikanga wai, engari mo te inenga o te tika tiketike whakarato reira he tau nui o nga tawhā waho - pāmahana me te pēhanga. I te tahi taime, no te tauira, i roto i te ako o te amipere mō tapehatanga whakamahi wai motuhake ki te taimaha o neke atu i te 2 g / cc motuhake.

mahara motuhake i taketake huānga hangarau i roto i te tono ahumahi o fluids autō. Fine-karahīni slurry ki ferroporoshkom taea te papa autō ki te waihanga ngāwari te wai ki te tāupe whakahaeretia ranei preassigned mahara motuhake. Hoki te tukanga taua i runga i te haamaitairaa pokohiwi o tokahuke polymetallic me maha atu rauemi ki te rota o poke, e kua wehea ngā papa e te teitei o te pati tēnei waka i runga tino ki to ratou mahara motuhake takitahi. Ko reira taea e mo te taua hangarau beneficiation taiao ore - te heke mai kanapa.