Is the sinovac vaccine safe and effective for people over the age of 60 ?

Dear respective researchers, I was asked by my institution to be vaccinated this week using the sinovac vaccine. However, from some of the information I got, this vaccine is not recommended for...

01 March 2021 7,781 6 View

Does the corpse of the Covid-19 virus victim still have the potential to transmit this virus?

If there is still potential, how long can this virus still be infected? Please give your comment. Thank you very much. Best regards.

23 December 2020 1,363 8 View

Which turbulence model is most suitable for numerical calculations of flow and heat transfer in annular finned tubes geometry?

Which turbulence model is most suitable for numerical calculations of flow and heat transfer in annular finned tubes geometry?

16 December 2019 3,117 13 View

What is the effect of free stream turbulence on the transition from laminar to turbulent?

Is there a universal theory that explains the effect of free turbulence on the flow transition from laminar to turbulent? Please give your opinion here. Thank you very much.

16 December 2019 5,979 8 View

What is the maximum efficiency that can be achieved by a solar cell?

Technological developments in the field of solar-cell show efficiency improvements that are not very impressive. How much is he maximum efficiency that can be achieved by this device? Could it be...

08 December 2019 8,243 6 View

What is the error of the flow analysis in the pipe, between the one using the Bernoulli equation and the actual situation?

Bernoulli equation is very well-known equation and is very often used to analyze and design piping systems. But we know that in this equation there are at least 4 assumptions applied, namely: 1)...

18 July 2019 7,151 12 View

What are the strategies so that our papers are always accepted?

Publishing papers in reputed international journals is not easy. The right strategy is needed to write and submit it. Please help to contribute suggestions so that our papers can always be...

08 May 2019 7,061 7 View

Does each research have an applicative value?

To carry out a study, it takes a lot of cost, time and energy. Does research always have an applicative value? Does every research have to be commercialized? Your suggestions and opinions are...

08 May 2019 7,897 17 View

How to share discussion on RG effectively and politely?

Dear kind and distinguished lecturer and scholars, Currently we are discussing an exciting and essential topic for all of us, namely about the plan to create an international organization for...

01 January 1970 7,854 3 View

The physical meaning of Reynolds number

Reynolds number is a very involved parameter we use in the flow and heat transfer problem. It is a non dimensional parameter. One of its physical meaning is the ratio of inertia force to viscous...

01 January 1970 2,074 40 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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

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

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 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

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

How to size battery banks?

I am designing a small grid connected solar PV power-plant. As the battery's capacity is specified in Ah and demand in kWh. What is the best way to size the battery bank? I have battery price in...

28 February 2021 1,638 3 View