A i r i n l e t r a t e = 56.3 m g m i n ÷ 1000 2 ÷ 0.2769 k g m 3 × 1000 L m 3 = 0.203 L m i n {\displaystyle Air\ inlet\ rate=56.3\ {\frac {mg}{min}}\div 1000^{2}\div 0.2769\ {\frac {kg}{m^{3}}}\times 1000\ {\frac {L}{m^{3}}}=0.203\ {\frac {L}{min}}}