P. 2 QUESTION 1 (10 POINTS) Calculate the heat release rate of a 0.9 meter diameter Heptane pool fire. Use Table 76 in Fire Dynamics to solve. TABLE 7.6 Large Pool Fire Burning Rate Data DENSITY EMPIRICAL CONSTANT kB (m) HEAT OF COMBUSTION A Herr (kJ/kg) ASYMPTOTIC MASS LOSS RATE ma (kg/m2 - sec) p (kg/m) 70 415 585 12,000 50,000 46,000 0.017 0.078 0.099 6.1 1.1 1.4 796 794 20,000 26,800 100 100 0.017 0.015 573 874 650 675 870 791 1,035 714 2.7 2.7 1.9 1.1 1.4 1.9 5.4 0.7 MATERIAL Cryogenics Liquid Hz LNG (mostly Cha) LPG (mostly C3H) Alcohols Methanol (CH3OH) Ethanol (CH3OH) Simple Organic Fuels 45,700 Butane (C4H10) 0.078 Benzene (CH) 0.085 40,100 44,700 Hexane (CH4) 0.074 0.101 44,600 Heptane (CH16) Xylene (CHI) 0.090 40,800 Acetone (CH3O) 0.041 25,800 Dioxane (CHO) 0.018 26,200 Diethyl ether (CGH100) 0.085 34,200 Petroleum Products OST Benzine 0.048 44,700 Gasoline 0.055 43,700 Kerosene 0.039 43,200 JP-4 0.051 43,500 JP-5 0.054 Transformer oil, hydrocarbon 43,000 0.039 Fuel oil, heavy 46,400 0.035 Crude oil 39,700 0.022-0.045 42,500 42,700 Solids Polymethylmethacrylate (CHO2) Polypropylene (CH) 0.020 24,900 Polystyrene (CH3) 0.018 0.034 43,200 Miscellaneous 39,700 561 Silicon transformer fluid 0.005 These values are to be used only for computation purposes, the true values are unknown. 28,100 138 Chapter 7 Hotelu N 740 740 820 760 810 760 940-1,000 830-880 3.6 2.1 3.5 3.6 1.6 0.7 1.7 2.8 1,184 905 1,050 3.3 100 100" 960 100