*

*EXIT 1.4

*EXIT 1.4.1

*EXIT 1.4.1 (1) (2)

*h11 22

*p0

*atm()SI PammHgmH2O h = pA /g

*[1] (),Ah. h

*[2] U

*[3] U

*4 p2 l p1 a h1 r 0 h2r A2A1

*EXIT 1.4.2

*EXIT

*EXIT

* 21hys

*

*

*

* 21h

* 1.5 Reynolds

*dy AxxyABCD, ABdx, ADdy DxAyByz

* x-yz x-zy y-zx =0,

* k > 0 x[6]1(t y = C (C)

*x-y[6]2xx, yx-y:

*********