Can we use infrared-transmitting materials like silicon to dissipate heat energy from exhaust gases through radiation?

Can we use infrared-transmitting materials like silicon (on upward-facing hemisphere of exhaust pipes) to dissipate heat energy from exhaust gases discharged from Generators, vehicles etc,...

07 August 2019 9,757 11 View

To include a numerical or drawing for publication in my book, is it enough to mention it's source (bibliography) or copyright required?

To include a numerical or drawing for publication in my book, is it enough to mention it's source (bibliography) or copyright has to be obtained? There are certain free e-books. What about them?...

01 February 2019 5,581 2 View

I believe TIME was BORN after Energy; and Absolute Entropy of the universe came into existence together with TIME (T=0). What you say?

I believe, Energy is, what existed before the existence of time. The laws like conservation of Energy were imposed on the eternal Energy by nature/ God. Then some part of it got condensed into...

05 June 2017 8,709 8 View

Could anyone please suggest research paper/ reference for aqueous Ethanol's Chemical properties please?

I am looking specifically for E10 or E15. But any reference about corrosive nature of aqueous Ethanol would be helpful.

02 March 2017 5,647 1 View

How are racists different from patriots?

A blind patriot may be another racist in the making.

31 December 2016 7,376 0 View

How would two immiscible liquids interact when pushed back to back (without any separation)in the pipeline under turbulent flow (Re=100000)?

Pushed at Re=100000 & pipeline pressure around 50 bar.

31 December 2016 4,419 1 View

What is the speed of thoughts / maxm. frequency of human nervous system?

what is the minimum time lapsed in generation of any new idea?

04 May 2016 7,653 3 View

Would GPS work under a steel pipeline buried 2m under soil?

I have researched, & so far found that GPS device needs the view of satellite, open sky to work properly. But, I'm confused because one of the MNCs claim to have built a system having GPS that...

31 December 2015 3,286 8 View

Would gasoline vapour rich air at ambient temperature when passed through a heat exchanger (water cooled) result in condensation of gasoline vapours?

The heat exchanger is immersed in chilled water & gasoline vapor containing air is circulated through it at atmospheric pressure.

11 December 2015 3,575 5 View

Is there a non-inflammable/non-volatile solvent for gasoline vapours?

a chemical that disintegrates or precipitates gasoline would also be acceptable. What about Moya Oil?

10 November 2015 2,799 2 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

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 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