Takamaiman zafi

Takamaiman zafi (c) shine adadin zafi (Q) da ake buƙata don ɗaga zafin jiki (T) na nauyin raka'a ɗaya (m) na wani abu da digiri ɗaya. Tsarin c shine:

Tsarin Raka'o'i na Ƙasa da Ƙasa shine J/Kg K.

Takamaiman zafin abu yana canzawa tare da zafin jiki. Idan canjin zafin bai yi yawa ba, ana iya ɗaukar ƙimar a matsayin mai dorewa. Ga waɗannan ƙimar c ga abubuwa da yawa a matsin lamba na 1 atm da zafin jiki na 20 ^° C (wanda aka samu ta hanyar gwaji).

Takamammen zafin wani abu yana nuna ikonsa na sha ko sakin zafi. Mafi girman zafin da aka ƙayyade, haka nan ƙarancin ikon abu na sha ko sakin zafi. Mafi ƙarancin zafin da aka ƙayyade, mafi kyawun ikon abu na sha ko sakin zafi. Zinare yana da ƙaramin zafi, don haka yana sha ko sakin zafi da sauri. Akasin haka, ruwa yana da zafi mai yawa, don haka yana sha ko sakin zafi a hankali.

Misalin matsalolin

1. Zafin da ake buƙata don ɗaga zafin kilogiram 1 na ruwa mai nauyin c 300 J/Kg.K daga 20^oC ya zama 30^oC shine….
Tattaunawa
An sani :
An tambaya : zafi (Q)
Jawab :
Tsarin zafi :
Kalori da ake buƙata sune:
Q = (1)(300)(10)
Q = Joule 3000

2. Ana dumama ruwa mai nauyin kilogiram 2 daga zafin jiki na 20^oC ya zama 80^oC, yana buƙatar zafi 6 × 10⁵ Joule. Takamaiman zafin ruwan shine…
Tattaunawa
An sani :
An tambaya : vs
Jawab :
Tsarin dabara:
Babban c:
c = 600.000 / (2)(60) = 600.000 / 120
c = 5000 J/Kg. K