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Why Water Condenses Over The Wing At Takeoff?  
User currently offlineAak777 From Qatar, joined Apr 2001, 284 posts, RR: 0
Posted (11 years 3 months 3 weeks 5 days 17 hours ago) and read 3094 times:

I know that over the wing there is a region of low pressure, and at high humidity percentages, water vapor becomes visible, but I thought high pressure helps water to remain in the liquid state not the low pressure. Now am I right or am I confused??

5 replies: All unread, jump to last
 
User currently offlineStaffan From , joined Dec 1969, posts, RR:
Reply 1, posted (11 years 3 months 3 weeks 5 days 16 hours ago) and read 3070 times:

The faster flowing air creates a lower pressure, and when pressure drops, so does temperature. And when temperature drops below the local dewpoint, you get condensation. It's not the low pressure that causes condensation, it's the drop in temperature.

Staffan


User currently offlineAak777 From Qatar, joined Apr 2001, 284 posts, RR: 0
Reply 2, posted (11 years 3 months 3 weeks 5 days 16 hours ago) and read 3022 times:

Makes sense .... Thanks

User currently offlineJETPILOT From United States of America, joined May 1999, 3130 posts, RR: 29
Reply 3, posted (11 years 3 months 3 weeks 5 days 12 hours ago) and read 2976 times:

Deja Vu ??????

JET


User currently offlineGoboeing From United States of America, joined Jun 2000, 2682 posts, RR: 14
Reply 4, posted (11 years 3 months 3 weeks 4 days 21 hours ago) and read 2916 times:

JET,
Are you referring to the fact that the same post was on here a few days ago? I remember that too.

Nick


User currently offlineStaffan From , joined Dec 1969, posts, RR:
Reply 5, posted (11 years 3 months 3 weeks 3 days 20 hours ago) and read 2839 times:

Not everyone reads these forums everyday, so questions are likely to be asked more than once. It's good though to do a search before asking something that might have been answered before.

Staffan

[Edited 2003-04-03 19:12:17]

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