Are there models to estimate the specific enthalpy and other thermophysical properties of nano-refrigerants?

Are there models to estimate the specific enthalpy and other thermophysical properties of nano-refrigerants?

02 March 2019 9,582 6 View

Is it legal to upload our scientific articles that are a published in non-open-access journals in other websites?

Is it legal to upload our scientific articles that are a published in non-open-access journals in other websites? What about the Journals copyrights? I ask this question aiming to discuss the...

01 January 1970 6,728 12 View

What is the difference between "study" and "Investigation" in the research?

I read many articles that have in their title the two words; study and investigation. I want to know more about the difference between them.

01 January 1970 2,042 5 View

The relation between the wall superheat (dTsat) and the flow Reynolds number in flow boiling?

In flow boiling, numerous researches found that the wall superheat (the difference between the wall temperature and the working fluid saturation temperature) does not depend on the flow Reynolds...

01 January 1970 6,561 3 View

What is the true or preferred method in calculating Reynolds no., friction factor .......etc, in saturated flow boiling?

In flow boiling, the fluid enters the heated tube with certain values of vapor quality x and velocity, and due to the heating process, the vapor quality value increases, therefore, the fluid...

01 January 1970 281 0 View

Do non-Newtonian fluids require special considerations for the experimental investigation of heat transfer and pressure drop characteristics?

For the experimental study of heat transfer and pressure drop for Newtonian fluid flow through a pipe, heat transfer and friction factor can be calculated by measuring the fluid inlet and outlet...

01 January 1970 9,372 7 View

Any recommendation (in general) for studying the flow boiling?

Any recommendation (in general) for studying the flow boiling? Experimental methodology, data reduction, ... etc.

01 January 1970 9,646 3 View

Is there a standard or a preferred ratio of shell length and shell diameter?

For shell and tube heat exchanger, is there a standard or a preferred ratio of shell length and shell diameter?

01 January 1970 2,761 15 View

What is the preferred form for the thermal performance index?

When applying more than one heat transfer enhancement technique, a comparison can be done by calculating the performance index. But there are many forms for it; sometimes it can be calculated...

01 January 1970 5,757 1 View

What is the method used to accurately estimate the exponent "n" in Wilson Plot Method ?

The Wilson Plot Method may be used to calculate the surface heat transfer coefficients from the measured overall heat transfer coefficient at different mass flow rates in the heat exchangers. The...

01 January 1970 6,144 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View