Is there a thorough Thermodynamic analysis of radiation emitted from finite size objects?

It is well known that finite size objects can emit radiation beyond the Planck ( or black body) limit. Is there a good thermodynamic base explanation for this phenomenon?

02 March 2018 1,886 1 View

What are the units of intensity of a laser beam?

What are the units of intensity of a laser beam? as an example say Gaussian laser beam. is it W/m2? in some document they have stated this as " irradiance" Then in that case units of W/m2 is ok....

10 November 2017 8,951 24 View

Is it possible to exceed the mean occupation number ( number of photons per mode) of black-body radiation?

Boltzmann distribution determines the expected occupancy of the modes in thermal equilibrium. Are there any passive ways of increasing the occupancy number?

06 July 2017 9,244 3 View

What is the rationale method for deciding whether going for high efficiency or high throughput in power generations?

06 July 2017 465 4 View

Anybody know a good dye that can absorb about 1 micron to 2 micron range to be used in Dye-Sensitized Cells?

05 June 2017 2,989 2 View

What is Gaussian Schell-model source?

09 October 2016 5,016 0 View

What is fresnel entropy?

08 September 2016 2,474 0 View

How does the enhanced near-field due to nanoparticles increase the absorption in the semiconductor?

31 December 2015 8,994 4 View

What are the factors that determine (decide) the fabrication cost of different nano-particles?

05 June 2015 824 5 View

What are the resent industrial applications of spin coating?

04 May 2015 7,281 2 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Anyone that can help with Maxquant TMT16plex which is missing?

Hi I am very new to proteomics analysis. I have got raw files from core facility running thermofisher TMT 16plex 4 hours. I cannot find on maxquant the option TMT16Plex there is only up to 11...

25 February 2021 1,675 3 View

How to properly calculate the fluid solid heat transfer between polypropylene matrix and glass fiber in a porous medium?

I'm building a cfx model of thermoplastic pultrusion process on ansys and i have a doubt on how is the proper way to set this parameter in a porous medium

24 February 2021 1,915 1 View

How to properly calculate Interfacial area density in a porous domain?which are possible value for glass fiber?

I'm doing a cfx simulation of a multiphase flow in pultrusion and i set the Interfacial Area density in the heat exchange of a porous medium in this way IAD=Total fiber lateral surface of fiber...

23 February 2021 6,043 1 View