TABLE 175.— HEAT VALUES AND ANALYSES OF VARIOUS FUELS 181 



Part 1. — Coals 



Part 2. — Peats and Woods (air dried) 



Peats : 



Franklin County, N. Y. 

 Sawyer County, Wis.. 



Woods : 



Oak, dry 



Birch, dry 



Pine, dry 



Vol. 

 hydro- 

 carbon 



67.10 

 56.54 



Fixed 

 carbon 



28.99 

 27.92 



Ash 



3.91 

 15.54 



.37 

 .29 

 .37 



Sul- 

 fur 



.15 

 .29 



Hydro- Nitro- 



gen Carbon gen 



5.93 

 4.71 



6.02 

 6.06 

 6.20 



57.17 

 51.00 



50.16 

 48.88 

 50.31 



Oxy- 

 gen 



Calories 

 per g 



1.48 31.36 5726 

 1.92 26.54 4867 



.09 

 .10 

 .04 



43.36 4620 

 44.67 4771 

 43.08 5085 



Btu 

 per 



pound 



10307 

 8761 



8316 



9153 



Part 3. — Liquid fuels * 



Fuel Gravity API t Btu per pound Btu per gallon 



Aviation gasoline 68 20,420 120,700 



Motor gasoline 58 20,120 125,800 



Kerosene 42 19,810 134,700 



Domestic fuel oil 32 19,450 141,200 



Diesel fuel oil 28 19,350 143,100 



Medium industrial fuel oil 18 18,930 149,400 



Heavy industrial fuel oil 11 18,590 153,900 



Petroleum ether 68* 22,000 12,220§ 



Alcohol, fuel or denatured with 7-9% water 



and denaturing material 82* 11,600 6,450§ 



* Prepared by E. W. Dean, Standard Oil Co. of New Jersey. t API (American Petroleum 



141 5 



Industry) unit = " ,^„ - 131.5. % Spec, gravity 15°C. § Calories per gram. 



sp.g.60 /60 



(continued) 



SMITHSONIAN PHYSICAL TABLES 



