How does inner vortex creates upward flow while outer vortex doing downward?

Hi all, How does inner vortex creates upward flow while outer vortex doing downward? what is diference between them? why flow is upward in inner vortex?

05 June 2019 4,842 4 View

How to calculate time for complete mixing?

Imagine, there is huge closed system in which water circulation happens ( such as cooling system ). Pumps circulate the water through different heat exchnagers. Then, it is needed to add the...

08 September 2018 2,471 4 View

How presure will change?

Oil is transported from A,B and C to main pipeline. main pipeline goes to terminal. A B and C discharge pressures are 20 barg with same flow rate. what will be happen if I close the valve in A...

08 September 2018 2,114 4 View

Is Rate equation the same for both directions of reversible reaction? or it is needed to change parameters?

I have found the following rate kinetics for the following reaction. As you see, the reaction is reversible one in which Xylene disproportionates and toluene and trimethylbenzene form ( r is...

01 February 2018 175 14 View

What are typical dimensions of tatoray reactor?

I need the dimensions of tatoray reactor such as diameter, height and so on. Could you please provide me with related information. Thank you in advance.

31 December 2017 5,100 9 View

How can I find the rate expressions (kinetics) for reactions of tatoray process?

I need rate expressions for reactions of tatoray process in order to design reactor. Could you please help me?

31 December 2017 563 12 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 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

MD MOE RMSD

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

07 August 2021 0 0 View

MGL tools

20 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

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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View