Mechanical Engineering - Steam Nozzles and Turbines - Discussion
Discussion Forum : Steam Nozzles and Turbines - Section 1 (Q.No. 6)
6.
The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)
Discussion:
16 comments Page 1 of 2.
Patel uvesh said:
5 years ago
Mass flow is always constant and m = area * velocity /specific volume.
Q = area * velocity.
Q = area * velocity.
(1)
Patel uvesh said:
5 years ago
Mass flow is always constant and m = area * velocity /specific volume.
Q = area * velocity.
Q = area * velocity.
Bereket said:
5 years ago
Q = V1A1 = V2A2 is flow rate thus Q is constant.
Vishnu Gopi said:
6 years ago
Discharge is always remaining constant after the throat that means in divergent portion of the nozzle.
Shadab Alam said:
7 years ago
What does discharge mean?
(1)
Lalu said:
8 years ago
What if flow is compressible?
Sharad said:
9 years ago
C is the answer. Because the discharge is not constant as area varies from convergent section to throat and throat to divergent section also velocity is different therefore Q = A * V.
A and V varies so Q also varies it us not constant.
To have higher velocity and discharge we use C-D nozzle.
In convergent nozzle, we have a constraint for above two factor.
A and V varies so Q also varies it us not constant.
To have higher velocity and discharge we use C-D nozzle.
In convergent nozzle, we have a constraint for above two factor.
Prasad said:
9 years ago
The only varying parameters are area and velocity assuming density as constant for sub sonic flow. Discharge is always constant for entire nozzle.
Arijit jana said:
10 years ago
How can it possible? I can not understand please describe.
Sudesh jangid said:
10 years ago
P decrease then v increase, so according av = c.
v increase Q discharge increase. So in divergent portion of nozzle P remain constant.
So Q will be remain content.
v increase Q discharge increase. So in divergent portion of nozzle P remain constant.
So Q will be remain content.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers