Humidity gabaɗaya yana wakiltar adadin bushewar yanayi na zahiri. A wani yanayin zafi da kuma wani nau'in iska, ƙarancin tururin ruwa da ke cikinsa, iskar tana bushewa; yawan tururin ruwa da ke cikinsa, to haka iskar take da danshi. Matsayin bushewa da zafi na iska ana kiransa "humidity". A wannan ma'ana, ana amfani da adadi na zahiri kamar cikakken zafi, ɗanɗano ɗanɗano, zafi kwatance, rabon hadawa, jikewa da raɓa don bayyana shi. Idan ya bayyana nauyin ruwa mai ruwa a cikin rigar tururi a matsayin kashi na jimlar nauyin tururi, ana kiran shi zafi na tururi.
Manufar zafi shine adadin tururin ruwa da ke cikin iska. Akwai hanyoyi guda uku don bayyana shi:
1. Cikakken zafi yana wakiltar adadin tururin ruwa da ke cikin kowace mita cubic na iska, naúrar shine kg/m³;
2. Abubuwan da ke cikin danshi, yana nuna adadin tururin ruwa da ke cikin kilogiram na busassun iska, naúrar shine kg / kg * bushewar iska;
3. Dangantakar zafi yana wakiltar rabon cikakken zafi a cikin iska zuwa cikakken zafi a daidai zafin jiki. Adadin shine kashi ɗaya, wato, cikin ƙayyadaddun lokaci, adadin tururin ruwa da ke cikin iska a wani wuri yana raba ta da cikakken adadin tururin ruwa a wannan yanayin. kashi.
Lokacin da janareta na tururi ke aiki, ƙaramin ɗanɗanon dangi, mafi girman nisa tsakanin iska da matakin jikewa, don haka ƙarfin ɗaukar danshi ya fi ƙarfi. Wannan shine dalilin da ya sa riguna na iya bushewa cikin sauƙi a ranakun sanyi a cikin hunturu. Yanayin zafin raɓa da zafin kwan fitila Kamar yadda aka ambata a baya, tururin ruwa a cikin iska mara nauyi yana cikin yanayi mai zafi sosai.
A akai-akai samuwar matsa lamba tsari na superheated tururi
An kasu kashi uku kamar haka: m matsa lamba preheating na unsaturated ruwa, akai-akai vaporization na cikakken ruwa, da kuma kullum matsa lamba superheating na busassun cikakken tururi. Zafin da aka ƙara a cikin matsa lamba preheating mataki na unsaturated ruwa ake kira ruwa zafi; zafi da aka kara a cikin matsananciyar turɓayar matsa lamba na cikakken ruwa ana kiransa zafi mai zafi; zafin da aka ƙara a cikin matsi na akai-akai superheating mataki na busassun cikakken tururi ana kiransa superheat.
(1) Cikakken tururi: A karkashin wani matsa lamba, ruwa yana zafi zuwa tafasa, cikakken ruwa ya fara yin tururi, kuma ruwa a hankali ya zama tururi. A wannan lokacin, yawan zafin jiki na tururi yana daidai da yanayin zafi. Turi a cikin wannan jiha ana kiransa cikakken tururi.
(2) Turi mai zafi yana ci gaba da dumama bisa ga cikakken tururi. Zazzabi cikakken tururi wanda ya wuce wannan matsi shine tururi mai zafi.
Lokacin aikawa: Oktoba-09-2023
