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The mbụ na nke abụọ iwu nke thermodynamics

Tupu anyị na-atụle nke mbụ na nke abụọ iwu nke thermodynamics, ọ dị mkpa na-akọwa ihe a pụtara na okwu bụ "thermodynamics". Na nke a, okwu na-ekwu okwu maka onwe ya: ọ dị mfe iji chọpụta ndị ọzọ na abụọ - "thermal" na "ike". Mgbe Greek amama "okpomọkụ okpomọkụ" na "ike, ije, mgbanwe." Ndị ọzọ okwu, thermodynamics na-anọchi anya otu n'ime alaka nke physics, na-amụta na nke okpomọkụ akakabarede ụdị ndị ọzọ nke ike na Anglịkan. Na nke a kwes ngagharị nke ihe microcosm (atọm, na ụmụ irighiri ihe, ahụ) na-adịghị gụnyere si ngalaba na na-na-amụ na akụkụ ndị ọzọ nke nkà mmụta sayensị. Thermodynamics ekwukwa dum nnukwu usoro, nke na-ji ego, nrụgide na otú pụta.

Nke a sayensị dabeere na ụfọdụ nkiti atụmatụ (efu, na mbụ, nke abụọ iwu nke thermodynamics), nakweere na postulates. Ha kpebisiri experimentally na nkwenye site n'ọnụ calculations. Na mmekọrịta dị n'etiti ha bụ naanị anọ, ebe ọ bụ na mmalite nke kpọmkwem mmepụta nke otu si ọzọ bụ ekwe omume.

E nwere ihe anọ mmalite - na a efu na nke atọ. Ka anyị tụọ pụtara na onye ọ bụla nke ha. Efu iwu nke thermodynamics na-ekwu na ọ bụla usoro nēche na thermodynamic ịha, ya na ọgwụgwụ ahụ bụ a itule na ofufe nke mpụga ihe. O nwere ike ịbụ ihe ndị dịpụrụ adịpụ usoro ruo mgbe ebighị ebi.

Otu n'ime ndị isi na - bụ nke mbụ iwu nke thermodynamics. Ya na nke mbụ chepụtara na narị afọ nke 19. N'ezie, ọ bụ iwu nke umu ihe nche nke ike na mmekọrita ihe na-eme macrosystems thermodynamic Filiks. Site n'ụzọ, ọ bụ mgbe na-enyemaka nke a postulate agọ ekwe omume nke ịdị adị nke a ebighi-ebi ngagharị igwe, n'ihi na ime ndị na-arụ ọrụ dị mkpa ka externally na-ekwurịta okwu ọzọ ume usoro. Dị ka ya, na a mechiri emechi dịpụrụ adịpụ usoro ume uru mgbe niile na-anọgide n'otu.

The abụọ iwu nke thermodynamics bụ maara na onye ọ bụla kemgbe ha bụ nwata. Dị ka ya, ihe kwes ume nwere ike ndammana ibunye nanị otu direction - si a ọkụ ahụ ka a na-erughị kpụ ọkụ n'ọnụ. Ka ihe atụ, ihe mere n'oge oyi n'okporo ámá ya na o yiri ka oyi, ebe ọ bụ na ihere okpomọkụ dị obere karịa nke mmadụ, nke na-akpata okpomọkụ. The abụọ iwu nke thermodynamics bụ otu n'ime ndị kasị ama. Onye nke ya na ya pụta na-egosi na dum esịtidem ike nke usoro nwere ike ghara kpamkpam converted n'ime bara uru ọrụ. Gịnị bụ na-akpali, nke abụọ iwu nke thermodynamics bụ mathematically Kere. Site mwube a plurality nke nwere, a ụkpụrụ e nwetara, mgbe e mesịrị nakweere dị ka ihe axiom.

Nke bụ otu n'ime akụkụ na ya mara na nke abụọ iwu nke thermodynamics? Entropy! Nke a na okwu Grik pụtara "mgbanwe." Entropy bụ ihe e ji mara nke ọ bụla thermodynamic usoro na bụ a ọrụ nke ala. Ke ofụri ofụri, ọ ga-ẹkekerede na entropy egosi a nkwa ọ bụla usoro aghara. R. Clausius, onye chọrọ okwu maka thermodynamic Filiks dị ka nkọwa nyere ihe atụ nke kefriza mmiri:-anọchi anya mmiri na mmiri mmiri obodo dị n'ókè nke ala efu degrees Celsius. Ọ bụ uru na ya na-akọ a òkè nke mpụga ike, zuru ezu maka ahaghị nhata, mmiri mmiri amama n'ime a siri ike ala (ice). Mgbe mgbanwe a n'ihi na esịtidem Ọdịdị nke ahụ ike a tọhapụrụ. Na nke a, ọ bụ a reversible usoro. Ntem, na entropy mgbanwe bụ a ruru nke ngụkọta ego nke kwes ike kpam kpam okpomọkụ uru. Otu pụta na-egosi na mechiri emechi usoro enweghị mpụga mmetụta entropy abawanye.

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