Masoud Mohammadian

13 Questions 36 Answers 0 Followers

Questions related from Masoud Mohammadian

Thermally fully developed flow in ducts?

Hello dear friends Can we assume thermally fully developed flow for a flow in a duct with constant wall temperature? It is assumed there is transient energy equation that means temperature varies...

03 March 2018 2,008 1 View

Finned channel VS. simple channel?

Hello dear friends There is two channels that one of them is finned and another one is simple and without fin(as attached file). The fluid mass flow rates and inlet fluid temperatures in both...

11 November 2017 5,592 7 View

Thermally fully developed in internal flow?

Hello dear friends What is the conditions that we can assume that we have thermally fully developed flow for both laminar and turbulent flows? I mean can we assume that we have thermally fully...

11 November 2017 8,837 8 View

Energy equation with periodic boundary condition?

Hello dear friends What is your idea to solve energy equation analytically in a channel with cyclic boundary condition along the channel that its amplitude is variable? Is it doable?(Please find...

10 October 2017 9,001 7 View

Borehole Wall Temperature?

Hello dear researchers How can I calculate ground temperature and after that how can I find temperature distribution along borehole wall? kind regards

03 March 2017 2,164 0 View

Solving Partial Differential Equation(PDE)?

Hello dear friends I have a PDE problem(attached file) with its boundary and initial conditions. Could you please give me your opinion and methods about solving it?

03 March 2017 2,415 53 View

Solar irradiatio calculation problem?

hi friends The attached file is MATLAB code for solar irradiation on tilted surface. Why for latitude=60 and surface angle=60, total irradiation at the night (e. g. 1 or 2), is positive but it...

01 January 2017 9,953 0 View

Neural Network-MATLAB?

Hi I did my NN project and target and output results were close to each other but when I calculate Output=W2*(TANSIG(W1*X+B1))+B2, that X is my input, then output is not equal to target. Please...

10 October 2016 9,952 1 View

Any suggestion on the pressure and velocity Probe situation?

what should be the flow situation for locating pressure and velocity probe? I mean what should be the boundary layer situation for having the best place to locate these probes? regards

02 February 2015 5,413 5 View

Can anyone help with a problem in ANSYS ICEM?

I have modeled my geometry and blocked it in ICEM as attached file. The problem is that I cannot have a good meshing since determinant 2*2*2 says.

05 May 2014 3,340 12 View

What are the best boundary conditions that I should impose in inlet and outlet for modelling a compressible flow in a pipe?

I want to model a compressible flow with Ma~0.8 in a pipe in ANSYS CFX.

03 March 2014 5,821 3 View

How can I start designing test rig for transonic radial turbines?

I mean aerodynamics consideration. Does anyone know any references?

11 November 2013 6,508 3 View

How can I find basic information about turboexpanders?

I am looking for designing turbo-expanders' blade. Is there any reference for it?

09 September 2013 3,859 4 View