Which CFD software to use for a rough simulation?

Hi I'm a beginner in CFD simulations. I have a complex geometry and I want to approximately visualize the airflow passing through this geometry. I don't need the simulation to be fully accurate,...

01 March 2020 3,337 20 View

What studies contain methods on the synthesis or development of nanocomposites made up of graphene membranes and carrageenan?

I am currently working on a paper on the development of varied nanocomposites which are made up of graphene membranes and various polymers

02 March 2018 2,860 4 View

Are there studies which show methods of synthesis of graphene membranes?

We are planning to synthesize nanocomposites made up of graphene membranes and natural polymers

02 March 2018 1,477 2 View

Are there studies about development of nanocomposites made up of graphene membranes and some natural polymers?

We are planning on working on a project which would develop nanocomposites made up of graphene membranes and polymers

02 March 2018 6,950 4 View

Hello! Are there any researchers who can help us in analyzing and interpreting the data that we got from UV-Vis spectroscopy?

We are high school students from the Philippines and we used the UV-vis spectrophotometer for the data that we need in our study, however, we would like to seek professional help and opinion...

27 January 2018 4,517 5 View

Are there any studies that focus on the negative effects of too much fertilizers on plants?

We are looking for literature which can support or show the negative effects of excess fertilizer application on plants

14 October 2017 1,906 5 View

Do superabsorbent polymers/hydrogels have a negative effect on plants, soil, the environment or in humans, when it is being applied in agriculture?

I am looking for negative effects of SAPs/hydrogels when it is being used as a water reservoir in agriculture

18 March 2017 9,544 4 View

Hello everyone, Is it possible to use steady flow analysis instead of unsteady flow analysis in hec ras ?

because i don't have enough data to apply unsteady flow analysis. if it would be able it would be very good.

11 December 2016 4,074 3 View

How can I purify (recrystallization) NIPAm?

30 December 2015 306 1 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

How to do a surface treatment of uncoated TiO2 with polymer?

Basically, I would like to know how to treat or coat on the uncoated bare TiO2 (Ti-OH rich) surface with polymer which has anchoring groups in the polymer structure like trimethoxygroups. What is...

21 February 2021 4,657 6 View