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CHT ANALYSIS ON EXHAUST PORT About CHT analysis: - CHT means Conjugate Heat Transfer which can tell combination of heat transfer in solids and fluids. This numerical analysis will give brief idea about conduction, convection and radiation or coupling of anyone of these three. The CHT analysis is used in process…
SHAIK SYDAVALI
updated on 21 Jun 2021
CHT ANALYSIS ON EXHAUST PORT
About CHT analysis: -
CHT means Conjugate Heat Transfer which can tell combination of heat transfer in solids and fluids. This numerical analysis will give brief idea about conduction, convection and radiation or coupling of anyone of these three. The CHT analysis is used in process which involves variations of temperature within solids and fluids due to thermal interaction between the solids and fluids. The rate of heat transferred heat is directly proportional to the temperature difference between the bodies.
The physics of conjugate heat transfer is common in many engineering applications, including heat exchangers and electronic component design.
y+ value according to the turbulence model:
Fig (1): - Geometry of exhaust port of a 4-cylinder engine
Input parameters and boundary conditions: -
Fig (2): - Meshing of exhaust port of a 4-cylinder engine
In below figure we can see the y+ value of wall surface which is in between solid and fluid.
Fig (3): - Y-plus of the wall surface between solid and fluid part
Velocity and temperature contours: -
Fig (4): - Pressure and velocity contours
Fig (5): - Temperature contour
Heat transfer coefficient calculation: -
Factors effecting on the results prediction: -
Verification of HTC results: -
Nu = h*L/K
Where,
h- heat transfer coefficient
Nu – Nusselt’s number
L- Characteristic Length
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Week 4 - CHT Analysis on Exhaust port
CHT ANALYSIS ON EXHAUST PORT About CHT analysis: - CHT means Conjugate Heat Transfer which can tell combination of heat transfer in solids and fluids. This numerical analysis will give brief idea about conduction, convection and radiation or coupling of anyone of these three. The CHT analysis is used in process…
21 Jun 2021 12:26 PM IST
Week 3 - External flow simulation over an Ahmed body.
EXTERNAL FLOW SIMULATION OVER AN AHMED BODY AHMED BODY: - Ahmed body is a simplified car, used in automotive industry to investigate the flow analysis and find the wake flow around the body. This is made up of round front part, a moveable slant plane in ear…
20 Jun 2021 03:05 PM IST
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