How can I use an air blower or fan inside a temperature oven?

Dear Researchers, I am trying to study the behavior of thermal sensor at high temperatures. I have a temperature oven to control the temperature which has an inlet(12mm dia) and exhaust...

04 May 2018 2,987 3 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View

Please. Could you help be in implementing Fractal Discrete Cosine Transform algorithm in Matlab?

I do need the Matlab code of Fractal Discrete Cosine Transform (FDCT). Can anyone who has already implement this code, help me with the implementation of this transform?

24 February 2021 5,602 2 View

D2D implementation in Matlab in Vienna LTE software?

Hi Hope you are well. Can you please share your code for D2D implementation in Matlab. I want to implement D2D in Matlab based Vienna simulator and struggling to deploy D2D. Thanks

24 February 2021 9,378 3 View

Multi effect distillation modeling in EES?

Dear colleagues If anyone has a model of multi-effect distillation in EES or MATLAB software, please send it to me.

24 February 2021 7,282 1 View