Given that a commercial airliner has a range of 6000 miles using 200 metric tonnes of JP4 fuel, estimate the range of the aircraft burning either gaseous or liquid hydrogen when the same mass of hydrogen as JP4 is used and, the same volume of hydrogen as JP4 is used. The dry mass of the aircraft is 800 tonnes. The fuel properties are as follows Fuel Density kg/m3 JP4 :- 800 H2 gaseous stp :- 0.0824 H2 liquid :- 70.8 Heating Value kJ/kg JP4 :- 45000 H2 gaseous stp :- 120900 H2 liquid :- 120900

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