Heat transfer media

Specific heat c_i (kJ/(kg∙K))

Mass of heat transfer media fulfilling the whole evacuated tube collector (kg)

Methane

2.206

1.558 × 10⁻²

Ammonium

2.200

1.487 × 10⁻²

Hydrogen

14.34

1.882 × 10⁻³

Air

1.006

2.769 × 10⁻²

Water

4.182

23.71