Lokacin da aka sanya jiki guda biyu da ke yanayin zafi daban -daban, wanda ya fi zafi yana ba da wani bangare na makamashinsa ga wanda ke da karancin zafin jiki, har ya kai ga yanayin zafi duka daidai yake.
An san wannan halin ma'aunin zafi, kuma shine ainihin yanayin da yanayin zafin jikin biyu da farkon yanayin zafin ya bambanta. Yana faruwa cewa yayin da yanayin zafi yayi daidai, an dakatar da kwararar zafi, sannan kuma an kai yanayin daidaitawa.
Duba kuma: Misalan Zafi da Zazzabi
A ka'idar, ma'aunin zafi yana da mahimmanci a cikin abin da aka sani da Dokar Zero ko Ka'idar Zero na thermodynamics, wanda ke bayanin cewa idan tsarin guda biyu ya kasance a lokaci guda a ma'aunin zafi tare da tsarin na uku, suna cikin ma'aunin zafi da junansu. Wannan Dokar tana da mahimmanci ga dukkan horo na thermodynamics, wanda shine reshe na kimiyyar lissafi wanda ke hulɗa da kwatanta jihohin daidaituwa a matakin macroscopic.
Ƙididdigar da ke haifar da ƙididdige adadin zafin da ake musanyawa a cikin canja wurin tsakanin jikin, yana da siffa:
Q = M * C * T
Inda Q shine adadin zafin da aka bayyana a cikin adadin kuzari, M shine yawan jikin da ake nazari, C shine takamaiman zafin jiki, kuma ΔT shine bambancin zafin jiki.
A cikin yanayin daidaituwa, taro da takamaiman zafi suna riƙe ƙimarsu ta asali, amma bambancin zafin jiki ya zama 0 saboda daidai an daidaita yanayin daidaiton inda babu canje -canje a yanayin zafi.
Wani mahimmancin daidaituwa don ra'ayin ma'aunin zafi shine wanda ke neman bayyana yanayin zafin da tsarin haɗin kai zai kasance. An yarda cewa lokacin da aka haɗa tsarin ƙwayoyin N1, wanda ke cikin zafin T1, a tuntuɓi wani tsarin na N2 barbashi wanda ke cikin zafin T2, ana samun ma'aunin ma'aunin ta hanyar dabara:
(N1 * T1 + N2 * T2) / (N1 + N2).
Ta wannan hanyar, ana iya ganin hakan lokacin da dukkan bangarorin biyu ke da adadin barbashi iri ɗaya, ana rage zafin ma'aunin zuwa matsakaici tsakanin yanayin zafi biyu na farko. Wannan na iya zama gabaɗaya don alaƙa tsakanin fiye da ɓangarorin biyu.
Ga wasu misalai na yanayi inda ma'aunin zafi ke faruwa:
- Auna ma'aunin zafin jiki ta ma'aunin zafi da sanyio yana aiki ta wannan hanyar. Tsawon lokacin da dole ne ma'aunin ma'aunin zafi da sanyin jiki ya sadu da jiki don auna ma'aunin zafin jiki daidai gwargwado ga lokacin da ake buƙata don isa ma'aunin zafi.
- Samfuran da ake siyar da su 'na halitta' na iya wucewa ta firiji. Koyaya, bayan ɗan lokaci a waje da firiji, cikin hulɗa da yanayin yanayi, sun kai ma'aunin zafi da shi.
- Dorewar dusar ƙanƙara a cikin tekuna da kan sanduna wani lamari ne na ma'aunin zafi. Daidai, gargaɗin game da ɗumamar yanayi yana da alaƙa da haɓaka zafin ruwan teku, sannan ma'aunin zafi inda yawancin wannan kankara ke narkewa.
- Lokacin da mutum ya fito daga wanka, yana da ɗan sanyi saboda jiki ya shigo cikin ma'aunin tare da ruwan zafi, kuma yanzu dole ne ya shigo cikin daidaituwa da muhalli.
- Lokacin neman sanyaya kofi kofi, ƙara masa madara mai sanyi.
- Abubuwa kamar man shanu suna da saukin kamuwa da canje -canje a yanayin zafi, kuma tare da ɗan gajeren lokacin hulɗa da muhalli a yanayin zafin jiki, suna zuwa cikin daidaituwa da narkewa.
- Ta hanyar ɗora hannunka a kan gindin sanyi, na ɗan lokaci, hannun ya yi sanyi.
- Gilashi mai kilo na ice cream zai narke a hankali fiye da wani tare da rubu'in kilo na ice cream iri ɗaya. Ana samar da wannan ta hanyar lissafin da taro ke tantance halayen ma'aunin zafi.
- Lokacin da aka sanya ƙanƙara kankara a cikin gilashin ruwa, ma'aunin zafi yana faruwa. Bambanci kawai shine daidaiton yana nuna canjin yanayi, saboda yana wuce 100 ° C inda ruwa ke tafiya daga ƙarfi zuwa ruwa.
- Ƙara ruwan sanyi zuwa adadin ruwan zafi, inda ake samun daidaituwa cikin sauri a yanayin zafin jiki fiye da na asali.
