Page 488 - Boiler_Operators_Handbook,_Second_Edition
P. 488

Appendices                                                                                          473


                                                         Appendix R

                                              Specific  Heats  of


                                    Some Common Materials





               It takes less heat to raise the temperature of most sub-  of the substance by it’s specific heat and the quantity in
               stances than it does to raise the temperature of water.  pounds. The result is the number of Btus needed. For
               To determine how much steam or hot water is needed  heating products continuously use pounds  per hour of
               to heat another substance, multiply the temperature rise  the substance to get the result in Btuh.
   483   484   485   486   487   488   489   490   491   492   493