Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

What are effects of steel jacketing on flexural strength?

Dear all, If steel jacketing is used to retrofit a reinforced-concrete (RC) column, can we use it to improve flexural strength? I understand that we leave gaps between the ends of the jacket and...

22 February 2021 1,906 5 View

How to model steel jackets using SeismoStruct?

Hi all, Does SeismoStruct support modeling rectangular RC columns retrofitted with steel jackets (e.g. rectangular, elliptical) ? Any suggestions for other software (apart from...

20 February 2021 4,521 1 View

Room Occupancy Calculation ?

15 February 2021 1,997 6 View

What Buffer should i use for T4 virus for electron microscopy ?

Hello, I currently have my T4 virus in HEPES buffer. Unfortunately, there are always crystals that are contaminating my solution (due to the buffer in which the Viruses are) when I observe them...

01 February 2021 400 3 View

Can we use control variables during Structural Equation Modeling with Amos?

We want to explore a mediating relationship employing SEM with Amos SPSS. Our independent variable is attitude toward wife abuse. mediator is exposure to male marital violence, and outcome...

07 January 2021 4,481 3 View

Response Surface Methodology?

I'm using 3 different light intensities (constant values 15,30,45 W) for the wastewater treatment of an organic compound and optimizing the parameters (pH, catalyst dose and light intensity)...

31 December 2020 2,377 4 View

Is Psychotherapy effective for children than adult? Why? Is there any good article to respond that?

I study and research about anxiety disorders in children in Iran and I sometimes face questions like this and unfortunately I could not find article or book to answer that.

30 October 2020 6,822 7 View

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30 October 2020 961 3 View

Is there any possibility to precipitating of sugars and proteins along with kefiran precipitation from fermented whey by cold absolute ethanol?

Fermentation was performed by inoculating Lactobacillus kefiranofaciens in cheese whey. I have separated the biomass after 72 h of fermentation and I want to measure exopolysaccharide i. e....

20 October 2020 7,976 2 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 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