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Diffstat (limited to '3845/CH14/EX14.1/Ex14_1.sce')
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1 files changed, 22 insertions, 0 deletions
diff --git a/3845/CH14/EX14.1/Ex14_1.sce b/3845/CH14/EX14.1/Ex14_1.sce new file mode 100644 index 000000000..d627447c3 --- /dev/null +++ b/3845/CH14/EX14.1/Ex14_1.sce @@ -0,0 +1,22 @@ +//Example 14.1
+T_f=80;//Final temperature (C)
+T_i=20;//Initial temperature (C)
+delta_T=T_f-T_i;//Temperature change (C)
+rho=1000;//Density of water (kg/m^3)
+V=0.250;//Volume (L)
+V=V*10^-3;//Volume (m^3)
+m_W=rho*V;//Mass of water (kg)
+c_W=4186;//Specific heat of water (J/kg.C), See Table 14.1
+Q_W=m_W*c_W*delta_T/1000;//Heat required by water(kJ)
+printf('a.Heat required by water= %0.1f kJ',Q_W)
+m_Al=0.5;//Mass of aluminum (kg)
+c_Al=900;//Specific heat of aluminum (J/kg.C), See Table 14.1
+Q_Al=m_Al*c_Al*delta_T/1000;//Heat required by aluminum (kJ)
+printf('\n Heat required by pan = %0.1f kJ',Q_Al)
+Q_total=Q_W+Q_Al;//Total heat transferred (kJ)
+printf('\n Total Heat required = %0.1f kJ',Q_total)
+printf('\nb.Percentage of heat used to heat the pan = %0.1f%%',Q_Al/Q_total*100)
+printf('\nc.Percentage of heat used to heat the water = %0.1f%%',Q_W/Q_total*100)
+//Openstax - College Physics
+//Download for free at http://cnx.org/content/col11406/latest
+
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