What is the flow characteristic of butterfly valves?

Does anyone know about the flow characteristic type of a butterfly valve. I think it is quick openning which means that with relatively small openning the disk high flow passing the valve. But I...

08 September 2018 2,535 1 View

Passivation of Stainless Steel before NDT test?

Is it true that passivation of stainless steel should be done before NDT (Non Destructive Testing)? What is the reason for that? Does it help to find the possible defects in the stainless steel?

03 April 2018 3,975 4 View

Increasing the strength of material reduces the chance of Stress Cracking Corrosion?

Is this sentence correct that increasing the strength of material can reduce the chance of stress cracking corrosion?

03 April 2018 4,644 10 View

Applying piant on Hot Dip Galvanized Component ?

The shared link below says that applying coating on Hot Dip Galvanized improving the effect of Hot Dip Galvanized....

03 April 2018 4,440 4 View

Electroless Nickel Plate on the closure member (ball) of a ball valve?

ENP can be applied on the ball of the ball valves for reducing the friction between ball and seat and reducing the torque values for ease of valve operation or corrosion protection (In case of...

03 April 2018 1,997 6 View

High impact Factor Mechanical Journals?

Could you please let me know on high impact factor mechanical journals about pressure vessels, piping and valves? I know about Elsevier and ASME and at the moment two of my papers have been...

02 March 2018 3,478 9 View

Springer Nature is not listed in the RG journals

I have published a paper by Springer Journal which is a famous publisher. But this journal is not listed in RG so I can not get any score maybe through publishing in this journal. Please advise...

01 January 1970 9,735 1 View

List of aproved journals in research gate with impact factors

I need the Llst of aproved journals in research gate with impact factors.

01 January 1970 4,392 11 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

MGL tools

20 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

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

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View