Question about the nano particle (AL2O3 OR CUO)to base fluid of PTC?

I have one question about the application of nano particle in PTC(parabolic through collector). I have prepared a mathematical model and MATLAB code about the simulation of PTC. I also validate...

01 February 2019 1,309 4 View

In next summer , if any colleagues have a program or teaching in their university, please let me know about this. They can see my page in researchgat?

In next summer , if any colleagues have a program or teaching in their university, please let me know about this. They can see my page in researchgate. For better evaluation I can send my full CV

03 April 2018 7,649 0 View

Anyone has a paper about modeling of fernel collector?

Anyone has a paper about modeling of fernel collector?

02 March 2018 5,581 2 View

How you can recover heat in Stirling engine?

How you can recover heat in Stirling engine?

02 March 2018 7,438 1 View

How can we calculate entropy in bigbang time?

Entropy level in bigbang time

04 May 2017 7,223 2 View

Can any researcher propose a method to calculate entropy generation in earth? totally per (J/K)?

Can any researcher propose a method to calculate entropy generation in earth? totally per (J/K)?

03 April 2017 6,976 1 View

How we could obtain a new method to optimization?

Optimization methods such as genetic algorithm, searching method,.....?

31 December 2015 2,959 0 View

How we can calculate social cost of air pollution?

Social cost of air pollution of negative effects of air pollution on society life,health,.....

31 December 2015 1,166 0 View

Cooperation in research energy and optimization field

I am an associate professor of pardis branch, islamic azad university. He received hid PhD in mechanical engineering from sharif university of technology in 2007 (first rank:19.13/20) and his...

01 January 1970 8,934 0 View

Development a novel method to calculation entropy production of earth

I developed a method to calculation the entropy production of earth Please read it and let me know about your comments. I have considered some problem in it so I should correct it.

01 January 1970 8,961 3 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

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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 kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View