Is there a time dependency effect on fracture toughness of spot welded Dual Phase 780 DP 1200 steel specimens???

Is there a time dependency effect on fracture toughness of spot welded Dual Phase 780 DP 1200 steel specimens??? just after welding fracture toughness appears to be 1,5 kn and after some days the...

03 April 2016 7,438 0 View

What is the relevance of an excess function in a liquid mixture?

The thermodynamic relevance?

01 February 2015 8,934 7 View

How can we calculate work done in irreversible adiabatic expansion ?

01 February 2015 7,376 1 View

Why is heat capacity at constant pressure not infinite for second order transition ?

31 December 2014 3,319 3 View

Is there any material whose colour changes with time ?

is there any material whose colour changes with time.

31 December 2014 9,549 1 View

Why is there no face centered tetragonal lattice in Bravais lattices?

please explain.

31 December 2014 8,643 4 View

Why is there a cracking behavior in noble gas ?

Since at elevated temperatures slip planes also get activated and it becomes ductile why is it that it shows cracking behavior? Is it something to do with thermodynamic concept as well

31 December 2014 5,776 2 View

Is it just the interaction of particles with Higgs field that gives it the mass ??

11 December 2014 3,796 1 View

No title

In regard to schmid factor the two different angles are complementary to each other?

11 December 2014 5,189 7 View

How can I estimate the monolayer adsorption time of a residual gas?

tm ( sec) ~ 10-6 / P (0.2)where P is the pressure in mbar. what is the physical interpretation of this?

10 November 2014 1,504 1 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

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

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 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

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 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