How to solve melting and solidification of PCM using ANSYS Fluent?

Dear colleagues; I modeled 3D melting and solidification of phase change material filled heat exchanger and generated a (as in the picture below). First, I enabled melting and solidification...

19 January 2021 1,126 4 View

What are the shape functions of rectangular Q4 and triangular CST element models in natural coordinate system with (s,t) that ANSYS APDL will be used?

What are the shape functions of CST triangular and Q4 rectangular element models in terms of natural coordinate system (N.C.S) with (s,t) not with (x,y) in software programs as ANSYS mechanical APDL?

13 January 2021 7,968 4 View

What's the best suitable area element type like 182,and 183 quadrilateral and triangle for analysis of 2D FE modeling results, beams in ANSYS APDL?

I want to analysis of 2D FE modelling beams cantilever/simple support in ANSYS, then compare it with exact solutions (elementary) such as deflection or stresses, however what element types (solid...

07 January 2021 8,744 1 View

What's the best appropriate area element type like 182,and 183 quadrilateral and triangle for FE modeling results,analysis of 2D beams in ANSYS APDL?

I'm trying to carry out analysis of 2D FE modelling beams cantilever/simple support, then comparing it with exact solutions (elementary) such as deflection or stresses, but what element types...

06 January 2021 1,038 3 View

Why does bending stress(Sx) in ANSYS APDL direct below of point load FE 2D modelling simply supported point load higher than exact solution in value?

Why does normal bending stress/flexural stress value (Sx) just direct below a concentrated load of simply supported beam which is compression stress higher than the hand calculation Exact solution...

03 January 2021 8,462 3 View

Why does shear stress (Sxy) result in ANSYS APDL area element type solid 182 or 183 quadrilateral or triangle will be efferent in a cantilever beam?

Why does shear stress (Sxy) result in ANSYS APDL area element type solid 182 or 183 quadrilateral or triangle will be different in a cantilever beam with point load at fixed end or uniform load at...

31 December 2020 9,359 3 View

How to show effects of baffles on fluid flow?

Hello All I'm working on baffles inside a circular pipe, the problem that I'm facing is when I draw contour or streamlines, I have not found any effects for the baffles on fluid flow where fluid...

23 October 2020 2,002 3 View

How to select best Probability Distribution Function (PDF) for time series of extreme value data sets based on multiple Goodness of Fit (GOF) tests?

I have prepared an analysis of time series extreme values data sets (9 sets for different storm durations) by using three PDFs i.e. General Extreme Value (GEV), LogPearson III (LP III), and Gumbel...

11 October 2020 3,331 2 View

Can oligo hexamer primer produce sequencing error?

Hello everyone I conducted sequencing prosedure for RNA genome segment (about 700nt) , for this reason I employed the random hexamer primer for cDNA synthesis . after sequencing (by sanger...

16 August 2020 3,994 3 View

How do I know which type of mesh and its method is suitable for my geometry in ANSYS? How do I choose the right mesh?

If I wanna work on geometry and wanted to create a mesh for it, how can I be sure that my mesh I choose it is the best to give the right results

21 January 2020 6,095 4 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

can I treat waste water containing solvents and alcohol with electrocoagulation?

there are solvents and alcohol in the waste water of a factory that produces disinfectants. Increasing this waste water requires very serious operations. Can I treat this waste water with...

27 February 2021 2,609 3 View