How can we study the corrosion behavior of the nonmetallic inclusions in pipeline steels?

31 December 2014 7,445 16 View

What verification we need on the latest BICEP2's universe inflation?

There are a few points being raised lately on the first direct evidence on the universe inflation and the detection of gravitational waves: 1. The cosmic microwave polarization patterns referred...

04 May 2014 3,997 3 View

What is so unique about the egg?

The egg is one of the unique feats of natural engineering. Its three-dimensional arch structure can support the weight of a standing human being yet it is so delicate that a baby bird can peck its...

03 April 2014 4,497 4 View

Can fracture mechanics predict when the whole Universe will fracture?

This question is open for chemists, metallurgists, physicists and astrophysicists: Check out this diagram which has been released today on Universe inflation. It describes how the universe has...

03 April 2014 171 22 View

How should the corresponding author approach a journal editorial office when the status 'With Editor' did not vaguely change for so long?

In case for example the status 'With Editor' did not change for two months or so, Are there risks of any kind the corresponding author should be aware of when reaching the journal's editorial...

02 March 2014 6,930 2 View

How does H2S affect the corrosion reactions in CO2 solutions?

Please see attached this figure from a journal paper I am currently reviewing. I made slight changes to it to maintain the anonymity. The paper addresses the significance of H2S with the...

02 March 2014 6,392 1 View

Why the rate of hydrogen generation increases with chloride concentration?

Please check out these potentiodynamic profiles for experiments I recently carried out: it shows potentiodynamic scans for a pipeline steel immersed in CO2-saturated solutions of different...

02 March 2014 2,918 13 View

On the relationship between speed and time, have the standardized tests gone too far?

Please check out this question excerpted from a standardized test for high-school students in a North American country; It says: Which of the following would be a graph of speed vs. time for the...

02 March 2014 8,241 3 View

Can computational fluid dynamics help calculate corrosion rates of pipelines?

I am currently reviewing a research paper presenting an electrochemical study on corrosion-enhanced erosion. It attempts to link the CFD of a modeled flow to the corrosion rates of an elbow made...

02 March 2014 4,129 5 View

How reliable is the potentiodynamic polarization in predicting the corrosion behavior?

To test the corrosion behavior (or resistance) of an engineering material in an aqueous medium one can carry out immersion tests for specific periods of time across which the mass loss and...

02 March 2014 4,540 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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View