The comparison between academic engineering teaching and technical engineering teaching?

31 December 2016 2,258 0 View

What is the factors effected the performance of the nano lubricant?

03 April 2016 7,397 1 View

Does the Nu number increase or decrease for nanofluids?

The Nu number for a nanofluid increases based on the increase of the heat transfer coefficient. At the same time, the thermal conductivity of the nanofluids were highly increased.

02 March 2014 698 6 View

Is the heat transfer coefficient a thermophysical property for a fluid?

The heat transfer coefficient is a very important parameter during the thermal application, and depends on many parameter such as the materials of fluid temperature. But the other important group...

01 February 2014 5,401 18 View

Which statistical software is better to determine the correlation?

There are many statistical software can use to find the nonlinear correlation for any data. I was use the minitap and spss but the equation form still not wide as I want.

31 December 2013 8,578 14 View

What is the difference between the average Nu and the fully developed Nu?

In the laminar flow in the constant heat wall pipe the fully developed Nu magnitude is 4.36, then is the average Nu still same or different in magnitude?

11 December 2013 2,985 9 View

What is the factors that effected the performance of oil pan?

01 January 1970 5,684 2 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View