Umlobi: Monica Porter
Usuku Lokudalwa: 16 Hamba 2021
Ukuvuselela Usuku: 1 Ujulayi 2024
Anonim
Heat transfer around a pipe [Tutorial]
Ividiyo: Heat transfer around a pipe [Tutorial]

-Delile

Ukushiswa ukulimala okubangelwa ukushisa, ugesi, ukungqubuzana, amakhemikhali, noma imisebe. Ukushisa kwe-steam kubangelwa ukushisa futhi kuwela esigabeni sama-scalds.

Ichaza izikali njengokusha okushiwo uketshezi olushisayo noma umusi. Balinganisela ukuthi izigaxa zimelela amaphesenti angama-33 kuya kwangama-50 abantu baseMelika abalaliswe esibhedlela ngenxa yokusha.

Ngokusho kwe-American Burn Association, amaphesenti angama-85 okusha kwesikhumba kwenzeka ekhaya.

Isikali sokushisa esishisayo

Ukushiswa kwesitimu kungabukelwa phansi, ngoba ukusha okuvela kusitimu kungenzeka kungabukeki kulimaza njengezinye izinhlobo zokusha.

Ucwaningo ngesikhumba sezingulube yiSwitzerland Federal Laboratories for Materials Science and Technology kukhombisile ukuthi umusi ungangena engxenyeni engaphandle yesikhumba futhi ubangele ukusha okukhulu ezingqimbeni eziphansi. Ngenkathi ungqimba olungaphandle lubonakala lonakele kakhulu, amazinga aphansi angalimala kakhulu.

Ubukhulu bokulimala kokushisa okushisayo kungumphumela walokhu:

  • izinga lokushisa ketshezi elishisayo noma umusi
  • isikhathi lapho isikhumba sasixhumana noketshezi olushisayo noma umusi
  • kushe indawo yomzimba
  • indawo yokusha

AmaBurns ahlukaniswa njengeziqu zokuqala, iziqu zesibili, noma ibanga lesithathu ngokuya ngomonakalo owenziwe ezicutshini ngokusha.


Ngokusho kweBurn Foundation, amanzi ashisayo abangela ukusha kwezinga lesithathu ku:

  • 1 umzuzwana ngo-156ºF
  • 2 imizuzwana ngo-149ºF
  • Imizuzwana emi-5 ngo-140ºF
  • Imizuzwana eyi-15 ngo-133ºF

Ukwelapha ukulimala kwesikhumba

Thatha lezi zinyathelo ukunakekelwa okuphuthumayo kokulimala kwe-scald:

  • Hlukanisa isisulu se-scald nomthombo ukumisa noma yikuphi ukushisa okungeziwe.
  • Indawo epholile eshisiwe enamanzi apholile (hhayi abandayo) imizuzu engama-20.
  • Ungafaki okhilimu, usawoti, noma amafutha.
  • Ngaphandle kokuthi zinamathele esikhunjeni, susa okokugqoka nobucwebe noma eduze kwendawo ethintekile
  • Uma ubuso noma amehlo eshile, hlala uqonde ukusiza ukunciphisa ukuvuvukala.
  • Vala indawo eshisiwe ngendwangu eyomile noma ngebhandeshi.
  • Shayela ku-911 noma inombolo yakho ephuthumayo yasendaweni.

Amaqembu anobungozi obukhulu be-scalds

Izingane ezincane yizisulu ezihlukumezeka kakhulu zokulimala nge-scald, kulandelwa abantu abadala asebekhulile nabantu abanezidingo ezikhethekile.

Izingane

Nsuku zonke, abaneminyaka engu-19 nangaphansi bayelashwa emakamelweni okuphuthumayo ngokulimala okuhlobene nokusha. Ngenkathi izingane ezindala zisengozini yokulimala ngokuthintana ngqo nomlilo, izingane ezisencane zinamathuba amaningi okulimala yiziphuzo ezishisayo noma umusi.


Ngokusho kwe-American Burn Association, phakathi kuka-2013 no-2017 amakamelo aphuthumayo aseMelika alaphe abantu abalinganiselwa ku-376,950 abalimala ngokusha okuhlobene nemikhiqizo yasendlini yabathengi. Kulokhu kulimala, amaphesenti angama-21 ayengabantwana abaneminyaka engu-4 ubudala nangaphansi.

Izingane eziningi eziningi zisengozini yokulimala ngokushiswa ngenxa yezici zazo zemvelo zezingane, njenge:

  • ilukuluku
  • ukuqonda okulinganiselwe ngengozi
  • amandla alinganiselwe okuphendula ngokushesha ukuxhumana noketshezi olushisayo noma umusi

Izingane nazo zinesikhumba esincanyana, ngakho-ke ngisho nokuchayeka isikhashana ku-steam noketshezi olushisayo kungadala ukusha okujulile.

Abantu abadala asebekhulile

Njengezingane ezincane, abantu abadala asebekhulile banesikhumba esincane, okwenza kube lula ukuthola ukushisa okujulile.

Abanye abantu asebekhulile bangaba nengozi ephezulu yokulimala nge-scalding:

  • Izimo ezithile zezokwelapha noma imishanguzo inciphisa ikhono lokuzwa ukushisa, ngakho-ke kungenzeka zingasuki emsini noma kumthombo oketshezi oshisayo kuze kube yilapho zilimala.
  • Izimo ezithile zingabenza bathambekele ekuweni ngenkathi bephethe iziphuzo ezishisayo noma eduze kweziphuzo ezishisayo noma umusi.

Abantu abakhubazekile

Abantu abanokukhubazeka bangaba nezimo ezibenza babe sengozini enkulu ngenkathi behambisa izinto ezinamandla zokushiswa, njenge:


  • ukukhubazeka kokuhamba
  • ukunyakaza okuhamba kancane noma okungahambi kahle
  • ubuthakathaka bemisipha
  • Izimo ezihamba kancane

Futhi, izinguquko ekuqwashisweni komuntu, inkumbulo, noma ukwahlulela kungenza kube nzima ukubona isimo esiyingozi noma ukuphendula ngokufanele ukuze zisuse engozini.

Ukuvimbela ukusha kwesitimu namakhaza

Nawa amanye amathiphu okunciphisa ubungozi bokushiswa kwamakhishi okuvamile nokusha kwesitimu:

  • Ungalokothi ushiye izinto zipheka esitofini zinganakiwe.
  • Shintsha izibambo zebhodlela ngemuva kwesitofu.
  • Musa ukuphatha noma ukubamba ingane ngenkathi upheka esitofu noma uphuza isiphuzo esishisayo.
  • Gcina iziphuzo ezishisayo lapho izingane nezilwane ezifuywayo bengenakufinyelela kuzo.
  • Gada noma ukhawulele ukusetshenziswa kwezingane izitofu, kuhhavini, nama-microwave.
  • Gwema ukusebenzisa izindwangu zetafula lapho izingane zikhona (zingazidonsa kuzo, zingadonsela uketshezi olushisayo kuzo).
  • Qaphela futhi ubheke izingozi ezingase zibe khona ohambweni, njengezingane, amathoyizi, nezilwane ezifuywayo, lapho uhambisa izimbiza zoketshezi olushisayo esitofini.
  • Gwema ukusebenzisa omata bendawo ekhishini, ikakhulukazi eduze kwesitofu.
  • Setha i-thermostat yakho yeheater yamanzi ibe ngaphansi kuka-120ºF.
  • Hlola amanzi okugeza ngaphambi kokugeza ingane.

Ukudla okudlela endlini

Ukushisa kwe-steam, kanye nokushisa oketshezi, kuhlukaniswa njengama-scalds. Ama-Scalds ukulimala kwendlu okujwayelekile, okuthinta izingane kakhulu kunanoma yiliphi elinye iqembu.

Ukushisa kwe-steam kuvame ukubukeka sengathi benze umonakalo omncane kunalokho abanakho futhi akufanele kubhekwe phansi.

Kunezinyathelo ezithile okufanele uzenze lapho ubhekene ne-scald kusuka kuziphuzo ezishisayo noma umusi, kufaka phakathi ukupholisa indawo elimele ngamanzi apholile (hhayi abandayo) imizuzu engama-20.

Kukhona nezinyathelo eziningi ongazithatha ekhaya lakho ukwehlisa ubungozi bokulimala kwesikhumba, njengokujika izibambo zamabhodwe ngemuva kwesitofu nokusetha i-thermostat yakho yokushisa amanzi ibe sezingeni lokushisa elingaphansi kuka-120ºF.

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