Tsarin Barra

Tsarin Barra fasahar gine-ginen Hasken rana ce da Horazio Barra ya kirkira a Italiya. Yana amfani da bango mai tarawa don kama hasken rana a cikin nau'in zafi. Har ila yau, yana amfani da tasirin thermosiphon don rarraba iska mai dumi ta hanyar tashoshin da aka sanya a cikin bene mai ƙarfi, yana dumama bene kuma saboda haka ginin. A madadin haka, a yanayin zafi, za'a iya jawo iska mai sanyi ta dare ta bene don sanyaya su a cikin nau'in iska. 

An gina tsarin nasara da yawa a Turai, amma Barra da alama ba a san shi ba a wasu wurare.

 Mai tara hasken rana mai amfani 
Don canza hasken rana zuwa zafi a kaikaice, an gina wani sarari mai rufi a gefen hasken rana na bangon gidan. Dubi waje, kuma yana motsawa ta hanyar sashi na giciye akwai wani bayyane na waje. An gina wannan ta al'ada ta amfani da gilashi, amma tare da zuwan mai arha, mai ƙarfi na Polycarbonate mafi yawan kayayyaki suna amfani da nau'i biyu ko uku na polycarbonate greenhouse. Yawanci an tsara gilashi don wuce haske mai ganuwa, amma toshe IR don rage asarar, da toshe UV don kare kayan gini.Breihan, Tom (January 6, 2020). "The Number Ones: Nick Glider's "Hot Child in the City"". Stereogum. Retrieved January 21, 2020. ...his panting power-popper "Hot Child In The City"...[is] a tight, well-constructed rocker...

Layer na gaba shine sararin sha. Wannan yana shan mafi yawan hasken da ke shiga mai tarawa. Yawancin lokaci yana kunshe da rata ta iska ta kusan 10 cm kauri tare da ɗaya ko fiye da meshes na sha da aka dakatar a tsaye a sararin samaniya. Sau da yawa ana amfani da allon allon fuka-fuki na taga, ko zane-zane na inuwa. Ma'aunin da kansa na iya riƙe zafi kaɗan kuma yana da zafi da sauri a cikin haske. Ana shawo kan zafi ta iska da ke wucewa a kusa da kuma ta hanyar raga, don haka ana dakatar da raga tare da rata ta iska a bangarorin gaba da na baya.

A ƙarshe wani nau'i na rufi yana zaune tsakanin sararin samaniya da gidan. Yawancin lokaci wannan shine rufin gida na yau da kullun, ta amfani da kayan kamar su polyisocyanurate kumfa, ulu na dutse, foil da polystyrene.

Wannan mai tarawa yana da amsawa sosai - a cikin rana yana dumama da sauri kuma iska a ciki ta fara farawa. Idan mai tarawa ya haɗa kai tsaye zuwa ginin ta amfani da rami kusa da bene da rami kusa na rufin za a ƙirƙiri tsarin samun hasken rana kai tsaye. Ɗaya daga cikin matsala tare da wannan, kamar Ganuwar Trombe, zafi zai haskaka da dare, kuma wutar lantarki za ta sanyaya dakin da dare. Maimakon haka, ana iya dakatar da motsi na iska ta amfani da dampers na atomatik, kamar waɗanda aka yi amfani da su don iska a cikin sararin tushe a cikin yanayin sanyi, ko dampers na fim na filastik, wanda ke aiki ta hanyar toshe iska a cikin hanya ɗaya tare da flap mai sauƙi na filastic. Ƙarin damper ya sa ƙirar ta zama ingantaccen tsarin samun hasken rana.

 Gidan ajiya mai zafi 
Don adana makamashi mai zafi daga mai tarawa, tsarin Barra ya dakatar da "spancrete" slab na kankare a matsayin rufin don adana zafi. Wannan yana da tsada sosai kuma yana buƙatar goyon baya mai ƙarfi. Wani madadin shine amfani da ruwa, wanda zai iya adana sau 5 na zafi don nauyin da aka ba shi. Hanyar da ta fi sauƙi, mai arha kuma mai tasiri ita ce adana ruwa a cikin bututun guguwar PVC mai diamita 100 tare da ƙwanƙwasawa. 

Ko ana amfani da ruwa ko kankare, ana canja wurin zafi daga iska a cikin mai tarawa zuwa cikin kayan ajiya a rana, kuma a saki akan buƙata ta amfani da fan na rufi zuwa cikin dakin da dare.

Inda ake amfani da slabs "spancrete", rufin kuma yana dumama gidan ta hanyar radiation. Wasu gidaje suna da louvers (kamar waɗanda aka yi amfani da su a kan tauraron dan adam) don daidaita canjin radiation. Iska mai dumi tana tafiya ta hanyar bututun dutse daga kudu zuwa arewa, inda yake fita kuma yana tafiya zuwa kudu ta hanyar yawancin dakin zuwa shigarwar mai dumama iska kusa da ƙasa.

 Manazarta 
Rukuni:Shafuka masu fassarorin da ba'a duba ba