calculation

Calculations

By means of VLW code , the detonation performance of high energy
density materials, common military explosives, fuel air explosives, and civil
industrial explosives, emulsion explosives, and combustion properties of
propellants are computed as follows:

Table 01 high energy density materials

Explosive	Composition	Density (g/cm³)	Pc-j (Gpa)		Dc-j(km/s)		Tc-j(K)
Explosive	Composition	Density (g/cm³)	Cal	Exp	Cal	Exp	Cal
HMX	C₄H₈N₈O₈	1.90	39.6	39.3	9.107	9.100	4840
HNB	C₆N₆O₁₂	1.972	37.7	------	9.384	9.300	6087
CL-20	C₆H₆N₁₂O₁₂	2.10	49.8	(42.0)*	9.850	(9.400)*	5252
Note: * the estimated valuation from NWC-TP-8020, 1989

Table 02 common military explosives

Explosive	Composition	Density (g/cm³)	Pc-j (Gpa)			Dc-j (km/s)		Tc-j (K)
Explosive	Composition	Density (g/cm³)	Cal	Exp		Cal	Exp	Cal
RDX	C₃H₆N₆O₆	1.80	34.7	34.7	8.764		8.754	4909
TNT	C₇H₅N₃O₆	1.64	18.8	19.0	6.923		6.950	4095
PETN	C₅H₈N₄O₁₂	1.77	31.3	33.5	8.333		8.300	5.86

Table 03 fuel air explosives

Fuel	Composition	Density (g/cm³)	Pc-j (Gpa)		Dc-j (km/s)		Tc-j(K)
Fuel	Composition	Density (g/cm³)	Cal	Exp	Cal	Exp	Cal	Exp
Methane (7.25%)	C₁H₅N_11.8O_3.0	1.12 ×10^-3	1.809	1.780	1.873	1.837	2811	2717
Epoxy propane (9.62%)	C₃H₆N_29.78O_9.0	1.26 ×10^-3	2.111	2.106	1.847	1.826	2987	2930

Table 04 civil emulsion explosives

Explosives	Composition	Density (g/cm³)	Pc-j(Gpa)		Dc-j(km/s)		Tcj(K)
Explosives	Composition	Density (g/cm³)	Cal	Exp	Cal	Exp	Cal
RJ-52	C_0.4919H_5.923N_1.811	1.11	6.613	-----	5.006	5.096	2624
EL105	C_0.6118H_5.788N_1.923O_3.723Na_0.1412	1.11	6.274	-----	4.757	4.700	2702

Table 05 Propellants

Name	Composition	T_c(K)		T_e(K)		I_s(S)
Name	Composition	Cal.	Theory	Cal.	Theory	Cal.	Theory
HMX	C₄H₈N₈O₈	3419	3293	1543	1633	266.1	266.5
Complex	C_12.3H_24.6N_15.8O_24.5CL_0.70AL_7.00	3848	3877	2277	2263	273.8	273.3

　Note:
    T_c is the combustion chamber temperature.
        T_e is the exhaust temperature.
        I_s is the specific impulse.