Mohammad Alipour

11 Questions 16 Answers 0 Followers

Questions related from Mohammad Alipour

Why does the classification_report for K_nearest Neighbors change by each run?

I am performing a KNN classification for a sample with n=5 and m= 200 (n:# features, m:#samples). To find the optimum value for K, I calculated an error rate for each K (1:50). However, I found...

29 October 2020 8,466 4 View

Gas pump in Simulink MATLAB?

I need to put a gas pump that circulates a gas in a closed-loop system. However, I could not find a proper pump. Most of the available pumps are used for thermal liquids and are not suitable for...

25 April 2020 7,562 3 View

Which empirical Nusselt number should be used for the forced convection inside a rectangular box?

I try to model gas-based cooling of a pouch type battery cell which is inside a rectangular cooling box. therefore, I wanna find an empirical equation for a Nusselt number . To see the geometry,...

19 November 2019 3,624 0 View

Should thermal conductivity of gasses be considered as isotropic or not?

I am modeling a gas-based cooling system. To compute the total heat flux, I need the effective thermal conductivity of a gas in 3D. However, In many papers published in high impact journals,...

17 November 2019 434 3 View

What is the volumetric flow rate range for the refrigerant flow in the AC compressor used in a car air conditioning system ?

https://www.cars.com/auto-repair/glossary/ac-compressor/

06 April 2019 8,462 3 View

What is the optimal operation temperature range for LiFePO4 batteries?

I am looking for an optimal operation temperature range for LiFePO4 batteries. In literature, this data is limited for LiFePO4 battery.

27 July 2018 3,225 1 View

I set the time range to get data from every 10s in COMSOL but still it gives arbitrary data. Does anybody know how to solve this problem?

I study a time dependent process in COMSOL. I set the time interval to get data from every 10s. However in output I get arbitrary data.

22 March 2018 2,969 3 View

The difference between the Kalman Filter and the traditional control systems?

I started to learn the Kalman filter. However, I couldn't understand its' difference with the feedback/feedforward control system. Ultimately both systems are used to minimize the errors between...

01 January 1970 2,096 5 View

Multi-class classification with more than one true labels and varying number of classes?

I am trying to select a right neural network structure for my data. I have similar input data, however, the number of classes are different for various cases. Moreover, more than one labels can be...

01 January 1970 5,815 10 View

Selecting the optimum values for the number of batches, number of epochs, number of hidden layers, and number of steps?

How to select the optimum values for the number of batches, number of epochs, number of hidden layers, and number of steps for classification using the deep learning algorithm?

01 January 1970 2,125 6 View

Does anybody know any big data set available in literature for battery aging?

I am trying to develop a hybrid physical-data driven model for battery aging estimation. For this aim, I need big data set to train my model. In literature, the biggest data set I found was from...

01 January 1970 4,748 12 View