You are getting funny.

来源: 应犹在- 于 2014-11-03 14:51:18 [] [旧帖] [给我悄悄话] 阅读数 : (38845 bytes)

“For renetry vehcile, slowing down the speed, or deacceleration means increasing the surface temperature of the vehicle, speaking one is like speaking the other.”

Does that mean the re-entry vehicle will slow down to the ideal speed if I heat up the surface of it by hook or by crook?

所有跟帖： 

• physics: conservation of energy. -bi-elliptic- ♂ 给 bi-elliptic 发送悄悄话 (0 bytes) () 11/03/2014 postreply 15:31:01

• Physics 101: Frictions. -应犹在-- ♂ 给 应犹在- 发送悄悄话 (72 bytes) () 11/03/2014 postreply 15:34:03

• it is called drag in aerodynamic, not friction. -bi-elliptic- ♂ 给 bi-elliptic 发送悄悄话 (0 bytes) () 11/04/2014 postreply 08:30:39

• LOL, show me an aerodynamic drag example w/o friction then! -应犹在-- ♂ 给 应犹在- 发送悄悄话 (72 bytes) () 11/04/2014 postreply 09:23:11

• skin friction is only a component of drag. -bi-elliptic- ♂ 给 bi-elliptic 发送悄悄话 (357 bytes) () 11/04/2014 postreply 10:48:55

• Can't you answer my question? -应犹在-- ♂ 给 应犹在- 发送悄悄话 (1533 bytes) () 11/04/2014 postreply 11:02:03

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