Thermal Characteristics of a Stratospheric Airship with Natural Convection and External Forced Convection

Table 3

Heat flux of the upper envelope calculated by different forced convection equations.

Equation	Time
Equation (viii)	5:00	0	0	0	20.09	45.34	86.68	−7.50	−13.75
	8:00	112.92	39.07	3.89	20.09	45.34	166.23	1.21	52.76
	12:00	242.70	43.76	7.47	20.09	45.34	253.93	2.78	102.64
	16:00	112.86	39.07	3.89	20.09	45.34	170.91	−4.53	55.91
	19:00	0	0	0	20.09	45.34	88.27	−10.62	−12.03
Equation (ix)	5:00	0	0	0	20.09	45.34	91.26	−4.00	−21.82
	8:00	112.92	39.07	3.89	20.09	45.34	138.32	0.71	81.54
	12:00	242.70	43.76	7.47	20.09	45.34	189.58	2.00	167.78
	16:00	112.86	39.07	3.89	20.09	45.34	140.05	−2.91	84.82
	19:00	0	0	0	20.09	45.34	91.71	−5.56	−20.65