FormationSayniska

Maxay yihiin noocyada kala duwan ee kala iibsiga kulaylka?

kala iibsiga Heat ee dabiiciga ah oo u ogolaanaya jiritaanka koonkan qaab taas oo aan dhamaanteen u bartayba. Way adag tahay in la yidhaahdo sida dunida u ekaan, baaba'aan hanaanka wareejinta kulaylka in mudo ah. Bal aynu eegno dhow at maxay yihiin noocyada kala duwan ee kala iibsiga kulaylka, iyo waxa loola jeedo ereyga.

Sida laga soo xigtay qeexid guud, kala iibsiga kulaylka waa hab jirka taas oo tamarta kaamerada, ama haddii kale qaybiyo meydadka dhowr darajo kala duwan ee kululaynta. Geedi socodka istaago marka ek'eysiiyo ee heerkulka, ama si kale loo dhigo, korkiisa oo gaarey hoganaya thermodynamic.

Waxaan ku qor waxa ay yihiin noocyada aasaasiga ah ee suuqa kala iibsiga kulaylka: convection, tabinta kulaylka, shucaaca. All kala duwanaansho kale oo suurto gal tahay isku-dar ah laba ama dhowr siyaabood oo aasaasi ah. dhibic waa in had iyo jeer la tixgeliyo.

Convection waa la yaqaan qof kasta tan iyo yaraantaadii. erayga Baahnayn Latin «convectio» loola jeedaa kala iibsiga. Sidaa darteed, marka uu jiro kala iibsiga kulaylka convection a barwaaqaysan oo ah walaxda laftiisa. Waa caadiga ah ee gaasaska oo cabitaanno ah, laakiin mararka qaarkood ka dhacaan qaar ka mid ah qalabka bulk. U taaga maalintii xagaaga kulul: in ka badan dhulka kulul carceero dareemi fudud - dhalanrog this waxaa sabab u ah hadda hawada goor wanaagsan. Iyadoo Bilowgii hore ee habeen marka saamayn kululaynta oo ka mid ah fallaaraha qorraxda ee joogsanayo habka ek'eysiiyo heerkulka bilaabo dhulka iyo hawada, ciidda wargelinaysaa kululeeyo hoose layers of jawiga (waa isku dhafan hab kala iibsiga kulaylka) in kor kici, lagu badalay tacsida hawada qabow. Halkan tusaale kale: riday kululeeyaha weel biyo oo u celi shabaqa. dhawrid A taxadir ah durdurrada dhaqaaqaan la arki karo oo biyo ah. mass Hot soo barakacay il kulaylka, iyo in ay meesha yimaado qabow.

Maxay noqon karaan waxa ka khayr badan hadalka xiiso badan koob shaah kulul on habeen qaboobaha? Waxaa ku filan in ay muddo gaaban ka jeedin qaato oo ayaar qaado biraha ku laayeen in ay si deg deg ah uu gacanta dib u soo jiid, ka fogaanaya gubasho. Sababta waa mid fudud - noocyo qaar ka mid ah kulaylka si dhakhso ah kululaynta iyo malqacad biraha ilaa heerkulka biyaha ee koobka ka. Waxaan ka hadleynaa tabinta kulaylka. Xaaladaha, taas oo ka mid ah la kulmi kartaa nooc sida la isugu gudbiyo kulaylka, tiro badan. Ina keena aynu u qeexaan: conductivity kaamerada - iibsiga kulaylka ka qayb jidhka kulul jidhka qabow taasi oo ka qayb dastuurka (electrons, atamka, taagoo). kiis gaar ah - wareejinta kulaylka u dhexeeya waxyaabaha kala duwan ee xiriirka. qalabka kala duwan ay leeyihiin conductivities kaamerada kala duwan. Sidaas darteed, haddii mid ka mid ah dhammaadka kulaylka block oo qoryo, ka dibna labaad waxay noqon doontaa mid qabow. Laakiin haddii aad tijaabo la bar bir ah, natiijada yahay mid kasoo horjeeda. Farqiga Tani waxaa sabab u ah kala duwanaanshaha in qaab-dhismeedka gudaha qalabka.

Ka fiirsaneysa noocyada kala iibsiga kulaylka, in aan ku xuso kala iibsiga ee kulaylka by shucaaca. il kulayl The abuuraa oscillations electromagnetic la Milanello ka mid ah ilaa 1000 microns (spectrum infrared). Xooggii uu ka daadanayo iftiinka iyo heerkulka jidhka kulul yihiin in saamiga toos ah. Si aad u fahamto sida shucaaca xanbaarsan yahay kulaylka, ku filan si ay u fuliyaan wax yar tijaabo - si ay u sameeyaan dab iyo saaray dhexeeya isaga qudhiisa iyo galaas dab hufan ee. In kasta oo caqabad ku ah, kulaylka weli waxaa loo diri doonaa. Ama ka fiiri bisad, oo ku taala ee xilliga qaboobaha on windowsill ee qorraxda, barareyso up. Waa wax iska fudud - in tusaale, tamarta kaamerada waxaa loo wareejiyey by shucaaca. Mid ka mid ah feature ee hanaanka wareejinta kulaylka sida - madaxbanaanida warbaahinta dhexe. Haddii kala iibsiga dhacdaa by convection oo ah walaxda (gaaska), halka kaamerada conductivity - Qurub, shucaaca uma baahna a "dhexdhexaadiye". Sayidka, qorraxda maraa ay kulaylka iyada oo vacuum waa iyada oo shucaac.

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