Mechanical Engineering - Hydraulics and Fluid Mechanics - Discussion
Discussion Forum : Hydraulics and Fluid Mechanics - Section 3 (Q.No. 1)
1.
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.
Discussion:
11 comments Page 1 of 2.
Vinay BEL said:
5 years ago
For external mouthpice vena contracta occurs at D/4.
For internal mouthpice vena contracta occurs at D/2.
For internal mouthpice vena contracta occurs at D/2.
(5)
Ankita said:
5 years ago
Yes, D is the correct answer.
Pratik said:
6 years ago
It's d/2.
Rajneesh singraul said:
7 years ago
D is correct because this vena contracta occurs at a distance of half the diameter of orifice.
Jai maurya said:
7 years ago
For external mouthpice vena contracta occurs at D/4.
For internal mouthpice vena contracta occurs at D/2.
For internal mouthpice vena contracta occurs at D/2.
(3)
Mahesh Krishnan said:
7 years ago
For orifices, vena contracta occurs at 0.5D.
For mouthpiece it is D/4.
For mouthpiece it is D/4.
(2)
Ram said:
7 years ago
D is the correct answer.
(2)
SUJEET KUMAR PRAJAPATI said:
7 years ago
Option D is the correct answer.
(1)
Sanjeev said:
8 years ago
The distance of vena-contracta from the orifice is half the diameter of the orifice.
So, The option (D) should be correct.
.
So, The option (D) should be correct.
.
Apoorva gupta said:
9 years ago
Venna is point of minimum area of stream flow, which occurs after throat due to sudden compaction and hence its diameter is less than orifice diameter.
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