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Old   June 9, 2006, 00:39
Default Basic Fluid Mechanics question
Yang Cao
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My Fluid Mechanics teacher once told me, there are 2 types of friction factors (say, in connection with pipe flows). I remember, one is Darcy-Weisbachs' other one is Mannings (?). Wondering if there is a unified view (or) simply both are different ? can some learned soul clear my confusion.
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Old   June 9, 2006, 11:20
Default Re: Basic Fluid Mechanics question
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THe other is Fanning. One of them is four times the other. Check a textbook.
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Old   June 10, 2006, 02:57
Default Re: Basic Fluid Mechanics question
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(1) on which principle Hot Air baloon works ? & give the details of principle,with some more examples

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Old   June 11, 2006, 23:25
Default Re: Basic Fluid Mechanics question
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Dear Basavaraj,

Hot air ballon works on the principle that when air becomes hot, it turns lighter and will try to go upward. This drives the balloon upward. Hoe this will help u

regards Kasyap
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Old   June 14, 2006, 16:53
Default Re: Basic Fluid Mechanics question
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Read about buoyancy ...
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