Civil Engineering - Water Supply Engineering - Discussion
Discussion Forum : Water Supply Engineering - Section 4 (Q.No. 8)
8.
The discharge
for the confined tube well is obtained from

Discussion:
12 comments Page 1 of 2.
Niki said:
8 months ago
Option A Theims formula is the correct answer.
Heer said:
5 years ago
r2 and r1 = radii of two observeration wells. In Thiem's formula.
And
In Dupuit's formula,
R = radius of influence,
Rw = radius of the main pumped well.
So, the given answer is correct.
And
In Dupuit's formula,
R = radius of influence,
Rw = radius of the main pumped well.
So, the given answer is correct.
Heer said:
5 years ago
Given answer is correct one because in question it is given R and Rw.
Which is considered in Dupuit's confined aquifer equation.
In Dupuit's method, the integration limit is considered is R and Rw.
Where R = radius of influence.
Rw = radius of the main pumped well.
While in Thiem's formula for confined aquifers it is given r2 and r1,
In Thiem's formula the integration limit is considered is r2 and r1.
Where r2 and r2 = radii of two observation wells.
Which is considered in Dupuit's confined aquifer equation.
In Dupuit's method, the integration limit is considered is R and Rw.
Where R = radius of influence.
Rw = radius of the main pumped well.
While in Thiem's formula for confined aquifers it is given r2 and r1,
In Thiem's formula the integration limit is considered is r2 and r1.
Where r2 and r2 = radii of two observation wells.
Satish Verma said:
7 years ago
Option A is right.
Roop Kumar said:
7 years ago
Dupits for unconfined aquifer.
Garry said:
7 years ago
The correct answer is B.
Garry said:
7 years ago
This equation for confined well obtained from steady flow using darcy equation and the equation achieved is called Thieme's equation.
Roy said:
7 years ago
Yes, A is the correct answer.
Bhaskar said:
8 years ago
Thiem's equation is the correct answer.
Pritamdas said:
8 years ago
Dupit is correct. I agree.
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