simulation of a flow out from a nozzle with a free surface
Posted: Thu Jun 29, 2017 7:13 pm
hello
I m very new to CodeSaturne, so I search first informations for this problem:
I want to simulate a stationary flow problem: a jet (or beam) of gas coming out from a nozzle. The tube with nozzle is vertical to a plate and at some distance from it. The flow hits vertically on that plate and the streamlines are bended such that the flow leaves in radial direction. The gas is compressible. The flow is at rather high speed and turbulent. It is stationary with a free surface, the free surface is not known a priory. Around the flow there is nearly vacuum.
The plate is at much higher temperature than the gas and is cooled by the gas. What I want as a result from Saturne is the coefficient of heat exchange on the surface of the plate (depending on the radius).
I suppose (but I m not shure) that the flow and the solid-thermal-analysis can be solved sequentially (not coupled): first using Saturne to get the heat exchange coeff, then Code-Aster to solve the cooling of the solid plate.
Questions:
1 can this be simulated with CodeSaturne (I suppose yes)?
2 is it possible to calculate the coefficient of heat exchange on the surface of the plate which should depend only on the radius? Is this possible calculating the flow without thermal effects, or must I include thermal things in the Saturne-model?
3 can this be done with an axialsymmetric model?
4 is/are there a tutorials or examples with which I could start?
many thanks for your advices
kathi
I m very new to CodeSaturne, so I search first informations for this problem:
I want to simulate a stationary flow problem: a jet (or beam) of gas coming out from a nozzle. The tube with nozzle is vertical to a plate and at some distance from it. The flow hits vertically on that plate and the streamlines are bended such that the flow leaves in radial direction. The gas is compressible. The flow is at rather high speed and turbulent. It is stationary with a free surface, the free surface is not known a priory. Around the flow there is nearly vacuum.
The plate is at much higher temperature than the gas and is cooled by the gas. What I want as a result from Saturne is the coefficient of heat exchange on the surface of the plate (depending on the radius).
I suppose (but I m not shure) that the flow and the solid-thermal-analysis can be solved sequentially (not coupled): first using Saturne to get the heat exchange coeff, then Code-Aster to solve the cooling of the solid plate.
Questions:
1 can this be simulated with CodeSaturne (I suppose yes)?
2 is it possible to calculate the coefficient of heat exchange on the surface of the plate which should depend only on the radius? Is this possible calculating the flow without thermal effects, or must I include thermal things in the Saturne-model?
3 can this be done with an axialsymmetric model?
4 is/are there a tutorials or examples with which I could start?
many thanks for your advices
kathi