Samuwar, Kimiyya
Mene ne bakin ciki iska? Da kaddarorin da kuma ka'idojin
Air yawa dabam. Inda shi ne kasa rarefied iska. Bari mu gano abin da ake nufi bakin ciki iska da kuma abin da siffofi da shi yayi.
A gaseous ambulan na Duniya
Air - ko iskar, amma musamman muhimmanci na wannan duniya tamu. An hannu a samar da makamashi metabolism, rike duk da harshen damo na kwayoyin. Shi facilitates da canja wurin sauti, ya hana overcooling na Duniya da kuma kare shi daga wuce kima hasken rana radiation tasiri.
Air - wannan shi ne cikin matsanancin harsashi na duniya, da ake kira da yanayi. Ya ƙunshi wani jam'i na gas .. Neon, argon, hydrogen, methane, helium, krypton, da dai sauransu The main sulusi da murabba'i da dama a cikin oxygen da kuma nitrogen, wanda sune daga 98% zuwa 99% iska.
A rabo daga gas da kuma lambar iya bambanta. Saboda haka, saboda shaye watsi da motoci da masana'antu fiye da birnin iska ne tare da cikakken carbon dioxide. A cikin dazuzzuka, a kan ƙasa, inda a can ne ba samarwa, qara adadin oxygen. Amma a cikin makiyaya yanki kara rabo daga methane, wanda aka ware saniya a lokacin narkewa.
yawa daga iska
A da yawa daga cikin gas harsashi da aka rinjayi mutane da yawa dalilai, a sassa daban daban na duniya da kuma a daban-daban altitudes, shi ne daban-daban. Iska da low yawa - shi ke da bakin ciki iska (daga kalmar "rare"). Kasa da shi ne, da mafi ta kwayoyin rabu da juna.
The yawa nuna nawa iska ne a daya cubic mita iya aiki. Kamar yadda wannan misali darajar an saita zuwa 1.293 kilo da cubic mita a karkashin al'ada yanayi da kuma bushe iska.
A zahirin kimiyya, rarrabe tsakanin takamaiman yawa da taro. Specific kayyade nawa nauyi a cikin iska daya cubic mita. Ya dogara da latitud da innertsii na duniya ta juyawa. A taro ne m dogara ne a kan barometric matsa lamba, da cikakkar zafin jiki da kuma takamaiman gas m.
Babban dokokin na asalin da ka'idodinta bakin ciki iska da aka bayyana da dokar Gay-Lussac da Boyle. A cewar su, da hakan da zafin jiki da kuma ƙananan matsa lamba, da iska ne m. A daidai wannan lokaci, yana da muhimmanci da kuma zafi: tare da ta kara yawa rage-rage.
Thin iska da kuma tsawo
Ikon janye daga Duniya, kamar maganadisu, janyo hankalin dukan samuwa ga jikin ta to shi. Saboda haka mu tafi, maimakon da ka shawagi a sararin samaniya. Saboda haka, kwayoyin daga cikin kayan da yake faruwa a babban sunan a kasa, wanda ke nufin cewa ta yawa da kuma mafi girma matsa lamba a bãyan ƙasa. The m daga gare shi, don haka wadannan alkaluma suna ƙananan.
Shin, ba ka lura cewa, tare da Yunƙurin zuwa high altitudes, kamar a tuddai, da numfashi zama mutum? All saboda gaskiyar cewa akwai wani rarefied iska. Tun da total tsawo na oxygen abun ciki a cikin daya lita na iska zama karami. Ya ba saturate da jini yadda ya kamata, kuma mun yi wahala a numfashi.
A tsawo daga Dutsen Everest - 8488 mita. A saman da shi cikin iska yawa ne daya bisa uku na misali yawa a teku matakin. Lura da wani canji da mutum zai iya riga a tsawon 1,500 zuwa 2,500 mita. Bugu da ari canje-canje a cikin da yawa da kuma matsa lamba da aka ji karin sa samun abinci, da kuma riga wakiltar wani m kiwon lafiya hadarin.
Mafi halayyar ga sallami iska exosphere - matsanancin Layer na yanayi. Yana farawa daga tsawo daga 500-1000 km sama da ƙasa ta surface. Ta hankali ya jũya a cikin wani fili, inda sarari ne kusa da injin jihar. Matsa lamba da kuma yawa daga cikin gas a cikin sarari ne ragu.
Helikofta da rarefied iska
Daga cikin iska yawa dogara sosai. Alal misali, shi ma'anar da "rufi" for Yunƙurin ta duniya surface. Ga wani mutum shi ne dubu goma mita. Amma hawa don haka high, kana bukatar wani dogon shiri.
A aircrafts ma yana da iyaka. A jirage masu saukar ungulu da shi ne game da 6000 mita. Yawa kasa da jirgin sama. All bayyana siffofin da gine da kuma aiki da wannan "tsuntsu".
Bar helikofta samun ta wajen sukurori. Sun juya, raba da iska zuwa cikin biyu qarqashinsu: daga samansu, kuma su. A saman iska motsi a cikin shugabanci na sukurori, kasa - da. Saboda haka, da yawa a karkashin reshe na na'ura zama ya fi girma fiye da sama da shi. Helikofta kamar dangane da iska a karkashin kanta, da kuma daukan kashe.
Thin iska ba zai iya haifar da da ake so matsa lamba. A irin wannan yanayi, akwai bukatar kara da engine iko da gudun da sukurori cewa ba zai jure da kayan kansu. Matsayin mai mulkin, jiragen sama shawagi a cikin denser iska a tsawon 3-4 dubu mita. Sau ɗaya kawai matukin jirgin Zhan Bule gudanar up motarsa a 12 mita 500, duk da haka, engine kama wuta.
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