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...

02 March 2018 1,943 1 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...

10 November 2017 8,745 8 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...

10 November 2017 5,540 7 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...

09 October 2017 8,886 7 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?

02 March 2017 2,363 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...

31 December 2016 9,902 0 View

Neural Network-MATLAB?

09 October 2016 9,891 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

01 February 2015 5,331 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.

04 May 2014 3,283 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.

02 March 2014 5,760 3 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View