Mohamed Reda Salem

12 Questions 61 Answers 0 Followers

Questions related from Mohamed Reda Salem

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

03 March 2019 9,725 6 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 2,905 15 View

How to attach thermocouples at aluminum surface?

I need to know a good technique to attach thermocouples at thin aluminum wall

01 January 1970 8,539 4 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 6,861 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 2,156 5 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 9,482 7 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 5,871 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 6,253 2 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 6,684 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 391 0 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 9,767 3 View

I want to learn a simple and accurate optimization method. What are your suggestions?

I am interested in experimental engineering researches, and numerous investigations require an optimization for the studied parameters. I want to learn a simple and accurate method (not software...

01 January 1970 7,934 12 View