I am trying to simulate phase change of refrigerant inside pipe extracting heat from panel in comsol. Can anyone help with how to simulate this?

My model is a rectangular multi layered structure under which refrigerant flows through cylindrical pipes. A heat flux of 600W/m2 applied on panel and internal forced convection is used for...

20 January 2021 9,478 1 View

Why does the ghost atoms gives error in NICS calculation with wb97xd in gaussian09 ?

In a trial, I am trying to calculate NICS (0 and 1) values for benzene ring using gaussian09. I have placed the ghost atoms at the center, 1A, and 2A above the rings. On using the method/basis...

19 January 2021 3,188 3 View

Rejected manuscript for journal publish after 1st revision, what needs to be done next?

Hello, My manuscript has been rejected by the editor and reviewers even after the 1st revision. Though I tend to disagree some of the points raised, assume I can't request for another revision...

28 December 2020 6,062 3 View

Acetylene reduction assay procedure?

Do anyone have the detailed step wise procedure(practical) to do the acetylene reduction assay? Or if anyone can let me know in which institute can i analyse my samples in India?

28 December 2020 6,717 2 View

How to capture UV- fluorescence from a substance using a camera?

I have a liquid that glows when UV light is shined. However, when I use my phone camera I can't see the glow, I just see a violet hue. What is the best way of capturing the fluorescence-glow from...

02 October 2020 8,664 3 View

What is the actual basis on which amount of Perovskites materials are to be taken?

In some discussion people took 112 mg of MAI and 461 mg of PbI2 in 1 mL DMF and some took 461mg of PbI2 too but 159mg of MAI there are many other authors took different amount of these materials...

17 September 2020 9,998 3 View

Forums to get online survey responses?

For my journal publish, I have been asked to increase the sample size by 200. I have been individually contacting more than 1000 Linkedin contacts and posted in all professional groups. But have...

04 September 2020 2,564 5 View

Derivation of Rice and Tracey equation???

12 July 2020 6,555 1 View

Can anyone suggest me where to get a low cost 2D Heterostructure Transfer System?

Except the 2D transfer system sold by HQ Graphene

09 July 2020 3,276 4 View

What digital technologies are more helpful to sustain Agriculture?

With the global Corona Pandemic situation, it looks to be inevitable to move towards digital technologies to get adapted in various farming sectors. With the advent of IoT, Robotics, Data Science,...

10 May 2020 8,570 5 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

Is there such a thing as Igg specific MHC class II epitopes or do all non-self MHC class II epitopes trigger antibody production of all subtypes?

I know there are bioinformatic tools that allow epitope prediction to determine if a certain peptide would trigger an immune response. I also read that for allergen diagnoses IgE of sensitised...

09 February 2021 4,173 3 View

How to eliminate noise when using a sensor with instrumentation amplifier and giving it's output to Arduino?

When I am trying to implement a pressure sensor through instrumentation amplifier and then giving it's output to Arduino, I am getting garbage value due to noise, so how to eliminate it.

05 February 2021 8,598 11 View

How to save data when i plug out Arduino Board?

I sent the data to the Arduino Board by CSharp . But when i plug out the data i sent is reseted .Is there anyway to save the data to the file as library file ? Because i want to use this file to...

03 February 2021 5,130 7 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

How to get sensor data in real time to apply machine learning technique?

I am trying to get MPU6050 sensor data to a database or something else to apply the machine learning technique by using Arduino UNO. Is there any way or a different way?

25 January 2021 9,697 5 View

High Power control for 48V battery pack - High current control?

Hi, I am working on 48V Lithium-Ion battery pack. I am wondering if there is fast MOSFET (or any other technology), to control the current of charging and discharging the battery with high...

20 January 2021 1,717 4 View

How robust are open source soil moisture sensors connected to an arduino board for field monitoring?

Seeking recent experiences in the development and deployment of low-cost soil moisture sensors (ideally under $50/sensor) connected to arduino-based dataloggers. What is the longetivity of the...

19 January 2021 6,256 2 View

How to build aero engine fuel system online prognostics simulation model using Matlab, Simulink and Simscape?

How to build aero engine fuel system online prognostics simulation model using Matlab, Simulink and Simscape?

17 January 2021 5,181 1 View