How can express unbounded function ?

Hello, In applied mathematics, we generally study functions. If we want to express/represent all values from 0 to 1 including 0 and 1, it is simple to express like [0,1]. However, if we want to...

05 June 2018 6,399 1 View

What is the equation for laminar flow ?

Dear Sir, As we all know, turbulence phenomena can be resolved and explained by the help of various mathematical model equations. like k-e, k-w, RANS, LES etc etc.. As shown in figure, I am using...

02 March 2018 7,353 24 View

How to write abstract ?

Dear Expert, As time is passing, Journal requirement is changing day by day. New trend comes with mandatory highlights and graphical abstract. With this, abstract of engineering journals is keenly...

01 February 2018 8,969 25 View

Problem in 2D mesh !

Dear Experts, While making 2D mesh, how to make an inner zone ? Actually, 5*5 cm box filled with water. Air injection is from bottom INLET 0.1 cm. There is an inner zone that occupies the inlet...

05 June 2017 3,972 6 View

How to implement Acoustic model in FLUENT ?

Hi everyone , I am implementing Acoustic model in FLUENT. Geometry is 2D. By using FW-H model, I am facing difficultly to understand these things. ( I have already read FLUENT manuals and one...

04 May 2017 9,824 5 View

How to write Highlights for the research paper ?

02 March 2017 4,584 13 View

How to specify mixture of gas at inlet in Fluent ?

Dear all, In my simualtion domain, I need to use mixture of gas ( N2 gas with 20% CO2) at INLET in ANSYS Fluent. Mixture model, and species model, may be these models work. Actually, I need your...

01 February 2017 6,237 6 View

How to get permission for republished pictures ?

Hi every one ! I need to know how to get permission to reuse some previous pictures for the next coming paper and different journal. I read some article in which some previous experimental setup...

08 September 2016 8,433 3 View

Does the Time Step Size effects the accuracy of Results ?

07 August 2016 9,766 9 View

What is best practice to simulate Bubble Column ?

Hi every one ! While using CFD codes ( Fluent 16 ) what should be the best practice for the following ? Suppose a vertical rectangular bubble column( 30*60*6 = X,Y,Z cm ) , Single inlet at bottom...

07 August 2016 478 3 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

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03 March 2021 5,360 2 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 separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How can we raise the figure when we writing a paper with Latex ?

Hi, everyone. I'm a starter to write a paper by Latex. But I have some difficulty using it. I'm writing the paper with 2 columns. And, there is one figure that occupies the 2 both-sides. I want to...

26 February 2021 3,738 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View