Civil Engineering - Hydraulics - Discussion
Discussion Forum : Hydraulics - Section 2 (Q.No. 41)
41.
When water flows over a rectangular suppressed weir, the negative pressure created beneath the nappe
Discussion:
2 comments Page 1 of 1.
Kcube said:
6 years ago
Refer RS Khurmi (Page-226). Ventilation of Rectangular Weirs.
Ishfaq Hamid said:
9 years ago
Depressed Nappe: If the pressure below the nappe is negative, it is called a depressed nappe.
The discharge of the nappe, depends upon the amount of ventilation and the negative pressure. Generally, the discharge of a depressed nappe is 6% to 7% more than that of a free nappe.
The discharge of the nappe, depends upon the amount of ventilation and the negative pressure. Generally, the discharge of a depressed nappe is 6% to 7% more than that of a free nappe.
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