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Forced convection $B#h(Jeat transfer of He I and He II at a supercritical pressure.
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$BA0Js$G$O!"D9$5(J100mm$B$NHf3SE*C;$$N.O)$K$*$1$koNW3&G.N.B+$r!"05NO(J2.8atm$B!"N.B.(J 0$B!A(J3.2 m/s$B!"F~8}1U29(J1.8$B!A(J5.55 K$B$NHO0O$G $BD6NW3&05(J,He II,He I,$BNW3&G.N.B+(J,,