What is the difference between Hex Dominant and Cut Cell Meshing methods in CFD?

Though both the methods look similar I believe there may be differences in them. What are the disadvantages of cut-cell meshing method and why is not widely used in research in comparison with...

12 July 2020 5,636 3 View

Is SIMSCALE software a good to go option for visualizing and understanding academic concepts?

On what scale can SIMSCALE simulation software be helpful for students in their engineering course work comprising CFD ( Computational fluid dynamics ), thermal and structural concepts? Can...

29 March 2020 2,952 3 View

What is the correct procedure to balance the e viscous radiator fan. should we balance it with full assembly like fan, drive with visous oil & clutch?

1. How is / should be the balancing of Viscous Fan carried ? Is balancing of Fan blade & Drive separately to meet final assembly specification a correct method of balancing ? or it should be...

10 November 2019 1,782 1 View

How is the processive enzyme which ratchets DNA through a (oxford) nanopore attached the "right way about" to the nanopore?

I am curious about how the ratcheting of a DNA strand through a nanopore works in (oxford) nanopore sequencing. I think that the enzyme motor is first attached to one end of the DNA strand to be...

30 August 2018 7,786 1 View

What are the purification techniques available for water purification other than UV and RO system?

I need low cost water purification technique with readily available material for designing solar water heater cum purifier for rural households.

22 December 2017 864 2 View

Problem with DNA standard optamization?

I am preparing DNA standard curve using gag cloned plasmid by SYBR green assay. I have optimized my primers concentration (250nM) and prepared different DNA concentration based on the copy number....

29 August 2017 1,553 2 View

In scan rate study (sensor), why the diffusion controlled process shows negative intercept and adsorption controlled process shows positive intercept?

Because, I am getting negative intercept for my dopamine sensor (diffusion controlled process). When i am plotting the peak current vs square root of scan rate, i am getting negative intercept....

16 April 2017 2,200 3 View

Is there any way to find if my splice mutation has caused an alternative splice site .?

Although i have the cDNA sequence by RT- PCR..how do i still prove the alternative splicing

10 March 2017 8,262 3 View

Weather 3 wheels or 4 wheels are most suitable for hybrid electric vehicles?

what are the flexibility/importance of wheel selection in hybrid electric vehicle.

25 January 2017 4,768 2 View

Formulation of marine microalgae medium using commercial fertilizer/chemicals?

naturally seawater contains lot of nutrients, however I want to formulate my own commercial medium for my own marine microalgae isolate to grow in open pond/photobioreactors (Nannochloropsis sp),...

11 September 2016 4,302 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

No title

25 February 2021 5,713 1 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

Does Gaussian 09W software take too long to give a result if we have a large chemical structure ?

DFT - gaussviev - gaussian09W - HOMO - LUMO

08 February 2021 6,012 5 View

I am desigining UWB antenna with ecllipse shaped patch on HFSS.Why gain is coming negative ?

I am attaching my design and result of Gains.S11 parameter is less than -10dB from 3.1 to 9.8 Ghz.Z11 magnitude also lies between 40 -60 ohm for this range .Still gain is negative. Pls help

29 January 2021 4,334 3 View

Where to add metamaterial unit cells in microstrip patch antenna to enhance the antenna parameters?

In order to enhance the antenna parameters, meta-material unit cells are added but where to load them is more advantageous either at ground plane or at the patch side, also is it necessary to add...

24 January 2021 2,999 4 View

Why the bandgap of CH3NH3PbCl3 films are different for spin-coating method and electrospinning method?

The observed bandgaps are 3.8 eV and 3.4 eV for spin-coated and electrospun films, respectively. What are the possible reasons?

08 January 2021 5,646 6 View

Same sample, significantly different trace for DMF vs. THF for cyclic voltammetry?

Dear reader, I've been having trouble with my cyclic voltammetry recently, but I then had a break through and managed to get apparently "clean" results using dry, deoxygenated THF and/or DMF,...

06 January 2021 4,312 3 View

How to calculate the band potential of a semiconductor material using energy band gap?

I am looking for methods to calculate the band potential of ZnFe2O4 and Fe2O3.

05 January 2021 6,416 2 View

Are there any molecular dynamics sofware easy to use for homo lumo interraction in molecular dynamics or some sofware for magnetic interraction spins?

I am working with molecular dynamics in a nanotube but I need easy to use software to be able to homo lumo, molecular dynamics and also charge densities in a chemical doping, I am also looking in...

30 December 2020 7,482 1 View