How to find the number of packets in a queue within a device in NetSim?

In a network, I want to set the buffer size of a device and then measure the number of packets in the buffer queue. The number of packets in the queued, dequeued an dropped, I need to calculate...

12 September 2020 4,654 4 View

Apply frensel absorption in COMSOL in laser keyhole welding model ?

Hello Everyone, I want to apply fresnel absorption in my laser keyhole welding model. I have seen fresnel equations on the COMSOL websites. It's kinda different from the one I see it in the...

08 September 2020 9,943 1 View

Cytoplasmic staining of BCL-6 in spleen tissue of treated groups rather than nuclear?

I have 3 groups of animal apart from PBS controls where i treat them under different immunosuppressive conditions. when the animals are subjected to partial or no immunosuppressive conditions, i...

31 August 2020 9,012 5 View

In IHC - Alkaline phosphatase method, do we dry the slides or not before mounting in aqueous medium?

In IHC for double staining i use DAB and AP. DAB works fine but AP after mounting is a headache as i see precipitates and also sometimes dissolves.I have tried drying the slides a bit and then...

26 July 2020 219 2 View

Applying Convective heat flux in COMSOL Multiphysics in 2D axis-symmetric geometry ?

07 July 2020 10,020 5 View

How do i use a rabbit monoclonal antibody on rabbit tissues with minimal or no background staining?

I am working with rabbit spleen and as it is difficult to obtain antibodies against rabbits as most of them are raised in rabbits. I had to purchase a few antibodies raised in rabbits. But as...

17 June 2020 3,930 8 View

Interface normal term in COMSOL during using Multipysics ?

Hello Everyone, I want to write the expression for interface normal. How can I write it? Cannot find it properly in "Equation view". Please see the attched figure. Please comment if someone...

13 June 2020 5,464 3 View

I want to know the BET surface area of nano-rod shaped ZnO nano-particles?

Anyone if you know the BET surface area of nano-rod shaped ZnO nano-particles than please comment. The nano rod-shaped ZnO nanoparticles are synthesized by chemical precipitation method. If...

25 May 2020 8,856 1 View

Heaviside funtion on delta(phils) function in COMSOL?

Hello everyone. I want to apply the Heaviside function on the delta(phils) as shown in the figure. Can I apply the step function as a Heaviside function shown in the figure?

19 May 2020 310 7 View

To define Heaviside function in COMSOL ?

Hello Everyone. This might be very easy but I cannot figure it out whats wrong. Equivalent visosity: "((mus)*(TTl)" It turns to yellow text>> unexpected unit of input. >> (mul and mus...

25 April 2020 7,482 6 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Where can I find life cycle inventory or assessment of non woven materials?

Dear network, I am looking for the LCA or LCI or at least the energy balances of the non woven fabrics process for my master project, in specific for natural fibers, yet I have found...

02 March 2021 9,662 1 View

Glass fiber content in a gypsum board ?

Any idea on how to get the volumic ratio of glass fiber in a gypsum board ? Thank you for your help !

01 March 2021 2,501 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 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

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

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 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