Horsepower naúrar ƙarfin injin ne. Yadda za a canza km zuwa kW? Karanta!

Menene karfin doki? Yaya ake lissafin ƙarfin injin?

Don samun amsar tambayar menene ƙarfin dawakai, dole ne ku koma tarihi zuwa karni na XNUMX. Ya fara ne da gaskiyar cewa an maye gurbin dabbobi a cikin ma'adinai. Ƙirƙirar injin tururi mai iya yin irin wannan aikin ya faru ne saboda ƙaddara ƙarfinsa. Mai ƙirƙira kuma injiniyan Ingilishi Thomas Savery ya fito da sauƙi mai sauƙi kuma a lokaci guda ra'ayi na gani mai ban mamaki. Ya bayyana cewa ana iya kwatanta karfin rukunin da yawan dawakan da ke aiki tare da inganci iri daya a lokaci guda. Don haka, injin konewa na cikin gida, wanda ke yin aikin sa'o'i 24, wanda dawakai ke da shi, dole ne ya kasance yana da ƙarfin dawakai 10-12.

Koyaya, wannan ba ita ce hanya mafi inganci don aunawa ba. A gaskiya ma, ba shi da alaƙa da iko na gaske. A cikin 1782, James Watt ya zo don taimakon kimiyya da motsa jiki. Ya yi amfani da wata sabuwar hanya ta kirga karfin doki ta hanyar amfani da runfunan hukuma. Ya lura cewa dokin da ke kan fage (kwal) yana tafiya mai nisa na mita 55 a cikin minti daya. Ya sanya kimar nauyin kilogiram 82, wanda ya ba shi damar yin lissafin aikin da dabbar ta yi. Sakamakon haka, ya ƙaddara cewa ƙarfin doki 1 daidai yake da 33 ft x lbf/min. Wannan shine yadda aka halicci watt 000.

Raka'a Wuta - Canza kW zuwa km

A wani mataki na gaba a cikin ci gaban fasahar naúrar tuƙi, matsaloli sun taso tare da rabon ƙimar ƙarfin injin. Wannan ya faru ne saboda dabaru daban-daban da aka yi amfani da su a cikin kasar. Misali, a cikin kasashen Anglo-Saxon an amince da nomenclature Ƙarfin dokiwanda har yanzu yana aiki a yau. Horsepower, a gefe guda, ya samo asali ne daga Jamus kuma yana da alaƙa da sunan Ku Pferdester (PS, doki mai karfi). Wani ma'ana daban-daban - hp. (Ƙarfin birki), wanda shine ikon da aka auna akan dynamometer, la'akari da juriya na tsarin watsawa. A halin yanzu an yarda cewa 1 hp. ya yi daidai da 0,74 kW.

Yadda za a lissafta karfin doki?

Duba ta hanyar takardar shaidar rajista, za ku sami a cikinta kawai ƙimar kW, saboda kasancewarsa a hukumance a cikin tsarin raka'a da matakan ƙasa (SI). Idan kana son sanin yawan doki na motarka, yakamata ka ɗauki darajar 1 kW = 1,36 hp. Alal misali, injin 59 kW yana samar da 80 hp. A cikin yanayin dokin tururi (hp), ƙimar ta ɗan bambanta, tun 1 kW = 1,34 hp. Don haka, motocin iri ɗaya da ake siyarwa a kasuwanni daban-daban na iya samun nau'ikan nau'ikan wutar lantarki daban-daban. Abin mamaki shine ikon ba shine mafi mahimmanci ga aikin injin konewa na ciki ba. Yana da kawai abin da aka samu daga karfin juyi, wanda tabbas shine mafi mahimmanci ga ingantaccen motsi na mota.