Why do closed channels filled with fluid contract from end when fluid is drawn out but expand from near the inlet when liquid is pushed in?

Say I have a flexible tube of 1 mm ID and 1 meter length with only 1 entry/exit point. I.e. It's a closed end tube. Let's call end that is closed as A and end that is open as B. I completely fill...

09 October 2018 8,559 0 View

Does an elastomer expand the same way every time it's stretched?

Say there is an elastomer strip of length L, width W and uniform thickness -T. All other parameters like material density, temperature are constant. I mark this strip with N points starting...

09 October 2018 5,033 3 View

High RI silicone or similar material?

Is there any material that can be coated on silicone rubber which will have full adhesion to silicone, is flexible and also has refrective index of mote than 1.8? I have read of hight RI silicone...

09 October 2018 1,220 0 View

Removing ink without sheer force just by dipping in solvent or ink-remover?

I am looking for fast drying inks that that be completely removed without leaving any traces or ghosts behind by just dipping the substrate in ink remover. I am not able to apply any sheer force...

05 June 2017 1,054 2 View

Photo chemical etching?

07 August 2016 7,612 2 View

Low viscosity oil?

04 May 2016 3,472 5 View

What is laplace pressure for series and parallel constrictions?

02 March 2016 554 2 View

How stable are 1D droplet array storage coils?

Hi, I am trying to understand stability behind droplet transportation in microfluidic droplet storage coil or droplet storage tube which are used for droplet-on-demand systems. Say I am creating...

01 February 2016 9,620 1 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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View