Danshi

Danshi
Bayanai
Ƙaramin ɓangare na	intensive quantity (en) da climatic factor (en)
Facet of (en)	iska
ISQ dimension (en)	${\displaystyle 1}$
Digital Atlas of Idaho URL (en)	https://digitalatlas.cose.isu.edu/clima/imaging/humid.htm

Rashin zafi shine maida hankali ga tururin ruwa da ke cikin iska. Rashin ruwa, yanayin gas na ruwa, gabaɗaya ba a ganuwa ga idon mutum. Rashin zafi yana nuna yiwuwar hazo, raɓa, ko hazo ya kasance.

Rashin zafi ya dogara da zafin jiki da matsin lamba na tsarin sha'awa. Irin wannan tururin ruwa yana haifar da zafi mai yawa a cikin iska mai sanyi fiye da iska mai ɗumi. Wani fasalin da ya danganci shi ne raɓa. Adadin tururin ruwa da ake buƙata don cimma saturation yana ƙaruwa yayin da zafin jiki ke ƙaruwa. Yayin da zafin jiki na iska ya ragu zai kai ga saturation ba tare da ƙarawa ko rasa ruwa ba. Adadin tururin ruwa da ke cikin iska na iya bambanta sosai. Misali, wani yanki na iska kusa da saturation na iya ƙunsar 28 g na ruwa a kowace cubic mita na iska a 30 ° C (86 ° F), amma kawai 8 g na ruwa da kowace cubic metre na iska a 8 ° C (46 ° F).

Ana amfani da ma'auni uku na farko na danshi a ko'ina: cikakke, dangi, da takamaiman. Ana bayyana cikakken danshi a matsayin ma'auni na tururi na ruwa ta hanyar iska mai laushi (a cikin gram a kowace cubic mita) ko kuma a matsayin maɓallin tururi na iska mai bushe (yawanci a cikin gram a kowane kilogram). Rashin zafi, sau da yawa ana bayyana shi a matsayin kashi, yana nuna halin yanzu na cikakkiyar zafi dangane da matsakaicin zafi da aka ba da wannan zafin jiki. Takamaiman danshi shine rabo na tururi na ruwa zuwa jimlar iska mai laushi.

Rashin zafi yana taka muhimmiyar rawa ga rayuwa ta sama. Ga rayuwar dabba da ta dogara da gumi (sweating) don daidaita zafin jiki na ciki, babban danshi yana lalata ingancin musayar zafi ta hanyar rage yawan motsi daga farfajiyar fata. Ana iya lissafin wannan tasirin ta amfani da teburin ƙididdigar zafi, wanda aka fi sani da humidex.

Ma'anar iska "mai riƙe" tururi na ruwa ko kuma kasancewa "cike" da shi ana yawan ambaton shi dangane da manufar zafi. Wannan, duk da haka, yana yaudara - adadin tururin ruwa wanda ke shiga (ko zai iya shiga) sararin da aka ba shi a zafin jiki da aka ba kusan yana da 'yanci daga adadin iska (nitrogen, oxygen, da dai sauransu) wanda ke nan. Lalle ne, iska tana da kusan ƙarfin daidaitawa iri ɗaya don riƙe tururin ruwa kamar yadda aka cika da iska; duka biyun an ba su ta hanyar matsin tururi na ruwa a zafin da aka ba su. Akwai ƙananan bambanci da aka bayyana a ƙarƙashin "Mahimmanci" a ƙasa, wanda za'a iya watsi da shi a cikin lissafi da yawa sai dai idan ana buƙatar daidaito mai yawa.