How can I perform Fast Fourier Transform on an experimental data?

Dear Researchers, I have an sensor output data recorded over a period of time. Now, I would like to convert this time domain data into frequency domain to obtain the bandwidth of the sensor. Can...

03 April 2018 8,623 2 View

How to set thickness for a 2D model?

Dear Researchers, I'm drawing a 2D model to simulate Joule heating. How can I set a desired thickness in a 2D COMSOL model? If I don't have the luxury of setting the thickness, what is the...

01 February 2018 1,526 2 View

How much resistance can an acrylic(PMMA) plate provides on heat subjection?

Dear Researchers, Is acrylic heat resistant ? If so, what is the maximum temperature that an acrylic plate sustain when operated in harsh environments? Thank you

01 February 2018 1,315 2 View

Why my COMSOL 3D model is taking long time to run?

Dear Researchers, I'm running a simulation on calorimetric thermal flow sensors. I tried to use Joule heating and Laminar flow interfaces to obtain the temperature distribution on the surface of...

01 February 2018 4,804 4 View

Where do I find some research works/papers that reports COMSOL simulation of a calorimetric thermal flow sensor?

Dear Researchers, I'm working on simulating and studying the behaviour of calorimetric flow sensor numerically. Hence, COMSOL multiphysics can be a great choice of...

09 October 2017 2,625 2 View

Why is the output of AD 623 does not change irrespective of the resistor gain?

08 September 2017 2,637 1 View

Transient model problem

07 August 2017 3,592 9 View

How to solve two 4 non-linear complex equations obtained using 2 boundary and continuity conditions each?

In this mathematical problem, I have two non-linear ODE solutions solved analytically. Furthermore, I need to apply two boundary and continuity conditions each to the two solutions which resulted...

10 November 2016 5,238 2 View

How to solve two non-linear second order ODE with 4 boundary and continuity conditions(coupled) analytically?

06 July 2016 6,925 11 View

What could be the challenges in designing a silicon carbide based pH sensor for high temperature applications?

What could be the challenges in designing a silicon carbide based pH sensor for high temperature applications?

01 February 2016 637 1 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

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 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

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 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

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View