Halin Dakatarwa: Tasirin Tsayi da Zazzabi

Lokacin da keken dutsen ku ya fallasa ga yanayin canzawa kamar zafin jiki ko tsayi (sauƙaƙan gyare-gyare, kamar yin amfani da wurin shakatawar keke), halayen dakatarwa suna canzawa.

Zuƙowa kan abin da ke canzawa.

Zafin jiki

Yanayin zafin da aka fallasa slurry yana rinjayar matsa lamba a cikinsa.

Masu kera suna haɓaka tsarin don sarrafa zafin jiki yayin saukarwa. Maƙasudin maƙasudin shine kiyaye zafin jiki na ciki kamar yadda zai yiwu daga sama zuwa ƙasan dutsen.

Ka'idoji irin su "bankin piggy" an ɓullo da su don amfani da ƙarin ruwa da zagayawa a waje da slurry.

Yana aiki kamar radiator: mai da ke wucewa ta piston damper yana haifar da zafi saboda gogayya. A hankali matsawa da sake dawowa, mafi girman ƙuntatawa don wucewar mai, yana ƙaruwa. Idan wannan zafi ba ya ɓace ba, zai ɗaga yawan zafin jiki na dakatarwa kuma saboda haka iska a ciki.

Duk da haka, dole ne mu sanya abubuwa cikin hangen nesa.

Duk da bayanin da ya gabata, babu buƙatar daidaita dakatarwar ku zuwa matsakaicin buɗaɗɗen saitunan su don rage rikici. An ƙera abubuwan lanƙwasa na yau don jure wa waɗannan sauyin yanayin zafi. Iskar da ke ƙunshe a cikin tushen tana da matukar damuwa ga sauyin yanayi. A lokacin abubuwan da ke faruwa a ƙasa ko DH, ba sabon abu ba ne ganin yanayin zafi yana tashi 13-16 digiri Celsius daga farkon zafinsa. Don haka, babu shakka wannan canjin yanayin zafi zai yi tasiri a kan matsewar iska a cikin ɗakunan.

Lallai, ka'idar gas mai kyau ta sa ya yiwu a ƙididdige canjin matsa lamba a matsayin aiki na girma da zafin jiki. Duk da yake kowace dakatarwa ta bambanta (saboda kowanne yana da nasa ƙarar), har yanzu muna iya kafa jagororin gaba ɗaya. Tare da canjin zafin jiki na digiri 10 Celsius, zamu iya lura da canjin yanayin iska a cikin dakatarwa da kusan 3.7%.

Ɗauki girgiza Fox ta ruwa DPX2, alal misali, wanda aka kunna zuwa 200 psi (masha 13,8) da 15 ma'aunin Celsius a saman dutsen. A lokacin da aka yi nisa mai tsanani, yi tunanin zafin lokacin da muka dakatar ya karu da digiri 16 ya kai ma'aunin Celsius 31. Sakamakon haka, matsa lamba a ciki zai ƙaru da kusan 11 psi zuwa 211 psi (bar 14,5).

Tsarin lissafin canjin matsa lamba shine kamar haka:

Ƙarshen matsa lamba = Fara matsa lamba x (Ƙarshen zafin jiki +273) / Fara zazzabi + 273

Wannan tsari yana da kusan kamar yadda nitrogen ke yin kashi 78% na iskar da ke kewaye. Ta wannan hanyar za ku fahimci cewa akwai gefen kuskure kamar yadda kowane gas ya bambanta. Oxygen ya ƙunshi ragowar 21%, da kuma 1% na iskar gas mara aiki.

Bayan wasu gwaje-gwaje masu mahimmanci, zan iya tabbatar da cewa aikace-aikacen wannan dabara yana kusa da gaskiya.

L'altitude

A matakin teku, duk abubuwa suna fuskantar matsin lamba na mashaya 1, ko 14.696 psi, wanda aka auna akan ma'auni.

Lokacin da kuka kunna dakatarwa zuwa 200 psi (13,8 mashaya), kuna karanta ma'aunin ma'auni, wanda aka ƙididdige shi azaman bambanci tsakanin matsa lamba na yanayi da matsa lamba a cikin firgita.

A cikin misalinmu, idan kun kasance a matakin teku, matsa lamba a cikin mai ɗaukar girgiza shine 214.696 psi (14,8 mashaya) kuma matsa lamba a waje shine 14.696 psi (1 bar), wanda shine 200 psi (13,8 bar) square inch (XNUMX bar) .

Yayin da kake hawa, yanayin yanayi yana raguwa. Bayan ya kai tsayin mita 3, matsa lamba na yanayi yana raguwa da 000 psi (bar 4,5), ya kai 0,3 10.196 psi (0,7 bar).

A cikin sauƙi, matsa lamba na yanayi yana raguwa da 0,1 mashaya (~ 1,5 psi) kowane 1000 m na tsayi.

Don haka, ma'aunin ma'auni a cikin mai ɗaukar girgiza yanzu shine 204.5 psi (214.696 - 10.196) ko mashaya 14,1. Don haka, zaku iya ganin karuwa a cikin matsa lamba na ciki saboda bambanci tare da matsa lamba na yanayi.

Me ke tasiri halin dakatarwa?

Idan bututu mai girgiza 32 mm (shaft) yana da yanki na 8 cm², bambancin mashaya 0,3 tsakanin matakin teku da 3000 m sama da matakin teku shine kusan kilogiram 2,7 na matsa lamba na piston.

Don cokali mai yatsa na diamita daban-daban (34 mm, 36 mm ko 40 mm), tasirin zai bambanta, tun da girman iska a ciki ba daidai ba ne. A ƙarshen rana, bambancin mashaya 0,3 zai kasance kaɗan sosai a cikin halayen dakatarwa, saboda, tuna, ka sauko kuma matsa lamba zai dawo zuwa ga asalinsa yayin karatun.

Wajibi ne don isa tsayin kusan 4500 m don a iya lura da tasirin tasirin abin sha na baya ("shock absorber").

Wannan tasirin zai kasance da yawa saboda rabon tsarin tare da ƙarfin tasirin da aka yiwa motar baya. A ƙasan wannan tsayin, tasirin tasirin gabaɗaya zai zama maras kyau saboda raguwar matsin lamba da wannan zai haifar.

Ya bambanta ga cokali mai yatsa. Daga 1500 m za mu iya lura da canji a cikin aikin.

Lokacin da kuka haura zuwa tsayi, yawanci kuna ganin raguwar zafin jiki. Don haka, wajibi ne kuma a yi la'akari da abin da ke sama.

Ka tuna cewa jujjuyawar matsi na yanayi suna da tasiri iri ɗaya akan halayen tayoyin ku.

Yana da mahimmanci a tuna cewa babu wata takamaiman bayani da mu a matsayinmu na masu hawan dutse za mu iya aiwatar da su don rage zafin kayan aikinmu ko tasirin tsayi a kansu.

Duk da abin da muka nuna muku, a cikin filin, mutane kaɗan ne kawai za su iya jin illar yanayin zafi da tsayi a kan kayan aikin.

Don haka zaku iya hawa ba tare da damuwa game da wannan lamari ba kuma ku ji daɗin waƙar da ke gaban ku. Ƙara matsa lamba zai haifar da raguwar juyawa da jin daɗin bazara lokacin damp.

Shin yana da mahimmanci da gaske?

Dangane da abin da ke ɗaukar girgiza, matukan jirgi masu girma ne kawai za su iya jin wannan tasirin yayin da jujjuyawar ta yi ƙanƙanta. Canjin sag daga 2 zuwa 3% a kan wani ɗan lokaci kusan ba zai iya yiwuwa ba. An bayyana wannan ta hanyar ka'idar hannun dakatarwa. Sa'an nan kuma tasirin tasirin yana da sauƙin canjawa zuwa mai ɗaukar girgiza.

Wannan lamari ne daban-daban don cokali mai yatsa, saboda ƙananan sauye-sauyen matsa lamba zai yi tasiri mai yawa akan sag. Ka tuna, a surebet ba shi da wani amfani. Matsakaicin zai zama 1: 1. Ƙarfafawar bazara zai ƙara girgiza da ake watsawa zuwa hannaye, ban da ɗaukar girgiza yayin hawa ƙasa da inganci.

ƙarshe

Ga mai sha'awar, a lokacin tafiye-tafiyen hunturu ne za mu iya samun babban tasiri ko lokacin da muka kunna dakatarwa sau ɗaya kawai sannan mu yi tafiya.

Yana da mahimmanci a tuna cewa wannan ka'ida ta shafi ba kawai ga yanayin zafi da ke faruwa a lokacin saukowa ba, har ma da zafin jiki na waje. Idan ka ƙididdige juzu'i na digiri 20 a cikin gidan ku kuma ku hau keken ku a digiri -10, ba za ku sami jujjuya iri ɗaya kamar na ciki ba, kuma wannan zai shafi aikin dakatarwar da ake so. Saboda haka, tabbatar da duba rashin jin daɗi a waje ba a ciki ba. Ditto idan kuna lissafin sag a farkon kakar wasa da tafiya. Wannan bayanan zai bambanta dangane da yanayin zafi a wuraren da kuke son ziyarta. Don haka, dole ne a duba shi akai-akai kafin kowace tafiya.

Ga masu sha'awar tasirin tsayin daka, kamar tashin jiragen sama, lokacin jigilar keke, da fatan za a lura cewa ana matsawa sashin kaya na jirgin kuma motsin motsi yana da ƙasa sosai. Saboda haka, babu wani dalili don rage matsa lamba a cikin taya ko dakatarwa, saboda wannan ba zai iya lalata su ba. Dakatarwa da tayoyin na iya jure matsi sosai.