Can these correlations be used in calculating the average nusselt number for cone shaed helical coils?

06 June 2016 0 2K Report

Can these two correlations be used in computing the average Nusselt number for cone shaped helical coils?

The correlations are written in the attached file.

Badges
Science topic

More Ezekwem Chidozie's questions See All

Can i know if the fluid is Newtonian from a volume concentration -viscosity graph for nanofluid?

I plotted of graph of volume concentration versus viscosity for a particular nanofluid. i got a straight line graph. i would like to know if this graph can tell me if the fluid is Newtonian or...

03 April 2018 2,410 3 View

Why does Ethylene glycol produce greater enhancement on heat transfer rate than water its flow in a tube?

Why does Ethylene glycol produce greater enhancement on heat transfer rate than water as its flow through a tube, considering that water has a higher thermal conductivity. What could be the...

01 February 2017 8,592 2 View

Why Ethylene glycol does has produce greater enhancement on heat transfer rate than water its flow in a tube?

Why Ethylene glycol does has produce greater enhancement on heat transfer rate than water its flow in a tube, considering that water has a higher thermal conductivity. What could be the possible...

01 February 2017 7,091 5 View

What is the cause of the drop in thermal conductivity?

I am measuring the thermal conductivity of CuO/EG nanofluids experimentally. At low volume concentration of 1 and 2%, thermal enhancements are very high. At 3 and 4% vol. conc., thermal...

06 July 2016 2,793 6 View

Mesh independent study?

I am carrying out mesh independent study on fluid flow in curved tubes. I am trying to vary the pitch of the curved tube. So, I have various coiled tubes with the same dimensions but with varying...

04 May 2016 910 1 View

I need help in analysing some TEM micrographs?

I need help in analysing some TEM micrographs of imaging of nanoparticles. I have interpreted them but need to see interpretation of some other professional. I would love to have your email to...

04 May 2016 1,586 4 View

Can someone explain how to use FTIR and UV-spectrometer to measure stability of nanofluids?

I want to measure the stability of alumina nanofluids at volume concentrations of 1-5vol. % concentration. The UV-Vis spectrometer needs me to dilute my samples before light can pass through. If...

01 February 2016 6,074 5 View

While sonicating AlN/water nanofluid with a probe type sonicator , the mixture forms a gel. Why is this so? How can it be averted?

Also, in order to ensure stability of the dispersion, to what pH value do I adjust the sample to? Lastly, do I mix the AlN powder with the base liquid before adjusting the pH? or do I mix the acid...

01 February 2016 3,720 1 View

Using importing geometry from autocad or solidworks for ansys simulation, which is better?

I am drawing my model in Autocad 2010 and importing into Ansys. After my simulations, the results I got where incorrect. Does drawing my geometry have something to do with this incorrect result?

11 December 2014 8,918 5 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View