Sharuɗɗan fitowar haɗari
 Sharuɗɗan fitowar haɗari |
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Kalmomin fitowar haɗari sune lissafin lissafi wanda ke ƙididdige yawan kwararar da aka saki na ruwa ko gurɓataccen iskar gas a cikin yanayin da zai iya faruwa a wuraren masana'antu kamar su masana'antun man fetur, tsire-tsire na man fetur. Dokokin gwamnati a kasashe da yawa suna buƙatar a bincika yiwuwar irin wannan fitowar haɗari kuma a ƙayyade tasirin su a kan muhalli da lafiyar ɗan adam don a tsara kuma a aiwatar da matakan ragewa.
Akwai hanyoyi da yawa na lissafin lissafi don ƙayyade yawan kwararar da za a iya saki gurɓataccen gas da ruwa daga nau'ikan haɗari daban-daban. Irin waɗannan hanyoyin lissafi ana kiransu kalmomin tushe, kuma wannan labarin game da kalmomin fitowar asali na haɗari ya bayyana wasu hanyoyin lissafi da aka yi amfani da su don ƙayyade yawan yawan kwararar da za a iya saki gurɓataccen gas ba da gangan ba.
Sakin gas na hadari
[gyara sashe | gyara masomin]Lokacin da iskar gas da aka adana a ƙarƙashin matsin lamba a cikin jirgin da aka rufe ta fito zuwa yanayi ta hanyar rami ko wani buɗewa, saurin iskar gas ta hanyar wannan buɗewa na iya ƙuntatawa (watau, ya kai matsakaicin) ko kuma ba a ƙuntata shi ba.
Saurin da aka buga, wanda k ake kira saurin sauti, yana faruwa ne lokacin da rabo na matsin lamba na cikakke zuwa matsin lamba daidai yake da ko mafi girma fiye da [ (k + 1) / 2]k / (k − 1) , inda k shine takamaiman rabo na zafi na isentropic da aka fitar (wani lokacin ana kiransa isentropic fadada factor kuma wani lokacin ana nuna shi kamar yadda
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