Abubuwan dumama lantarki kayan aiki ne ko na'urori waɗanda kai tsaye suke jujjuya makamashin lantarki zuwa zafi ko makamashin zafi ta hanyar ka'idar dumama Joule. Zafin Joule al'amari ne da madugu ke haifar da zafi saboda kwararar wutar lantarki. Lokacin da wutar lantarki ke gudana ta cikin wani abu, electrons ko wasu masu ɗaukar kaya suna karo da ions ko atom a cikin madugu, yana haifar da gogayya a ma'aunin atomic. Wannan gogayya sai ta bayyana kamar zafi. Ana amfani da dokar Joule Lenz don bayyana zafin da wutar lantarki ke haifarwa a cikin madugu. Ana wakilta wannan azaman: P=IV ko P=I ² R
Bisa ga waɗannan ma'auni, zafi da aka haifar ya dogara da halin yanzu, ƙarfin lantarki, ko juriya na kayan jagoran. Juriya abu ne mai mahimmanci a cikin ƙirar gabaɗayan kayan dumama wutar lantarki.
A wata ma'ana, ingancin abubuwan dumama wutar lantarki kusan kusan 100% ne, yayin da duk makamashin da aka bayar yana jujjuya shi zuwa nau'in sa. Abubuwan dumama lantarki ba za su iya watsa zafi kawai ba, har ma suna watsa makamashi ta hanyar haske da radiation. Idan aka yi la'akari da tsarin dumama, asarar ta zo ne daga zafin da aka watsar daga ruwa mai sarrafa ko injin da kanta zuwa yanayin waje.
Keɓance abubuwan dumama wutar lantarki da masu dumama, sabis na shawarwari don hanyoyin sarrafa thermal:
Angela Zhong:+ 8613528266612(WeChat)Jean Xie:+ 8613631161053(WeChat)
Lokacin aikawa: Satumba-16-2023
