What is Yarn fiber volume fraction ?

More Muralishwara Kakunje's questions See All

Which method in Design of Experiments (DoE) is to be used to optimize multiple output responses ?

There are 3 input parameters with 3 levels. Output responses are say tensile strength, crystallinity index and thermal stability parameters. Can I apply fractional factorial designs to optimize...

14 May 2024 9,430 2 View

Where can I find JCPDS XRD data of natural fiber ?

Is there a single JCPDS card for natural fiber ? My understanding is that all natural fibers basically have the same constituents albeit they are in different concentration. Cellulose,...

27 March 2024 5,032 1 View

Do you know of any laboratory/research center where chemical composition of natural fibers are determined in India (South India preferably) ?

I know of a place in Tamil Nadu where for one sample cost is 5000. I am looking for a cheaper alternative.

21 March 2024 6,513 1 View

How to identify crystalline and amorphous phases and calculate percentage crystallinity from XRD plot ?

This is the XRD plot of natural fiber. Usually in almost all the papers, 2 peaks appear for natural fiber. One broader amorphous peak at lower diffraction angle and lower intensity and another...

12 March 2024 3,435 9 View

What are some Q1 journals to publish research work on natural fibers ?

Journal of natural fibers seems to have come down to Q2.

22 December 2023 4,755 1 View

What are the differences between porous silica and mesoporous silica ?

Both are different products in Sigma Aldrich or Merck company product catalogue. Both seem to have porous structure. Mesoporous is very costly. So, looks like material in demand. What exactly are...

13 December 2023 1,646 4 View

How to find chemical composition of natural fibers ?

I do know the name of analytical methods, but not the method in detail. Kurschner and Hoffer’s method for cellulose determination. Klason method to determine lignin. Wax content by conrad method....

26 October 2023 6,350 1 View

What is the process to convert short natural fibers into continuous strands ?

For example. Coir or coconut husk fibers are short. How can make a continuous fiber out of it. Idea is to prepare unidirectional continuous coir fiber polymer composite.

29 August 2023 3,174 2 View

Is it possible to lock selected rows in online excel sheet to specific email address (or users) ?

The intention is that data specific to a person should be entered/edited by only him/her. Others should not be able to edit or delete the data when online excel sheet is shared to everyone in an...

11 July 2023 1,682 1 View

Why superheated steam is not corrosive as wet steam or water particles ?

Aren't wet steam, dry steam and superheated steam are all H20 ? Then why is it that superheated steam has lesser chances of corroding metals ?

31 January 2023 7,073 4 View

I have get this error when i calculated the geometrical optimization for prco3, it takes 12 hours until gives this message in the outputfile?

Fatal error in MPI_Allreduce: Other MPI error, error stack: MPI_Allreduce(1628)......: MPI_Allreduce(sbuf=000002459254A180, rbuf=000002459F86A140, count=4851, MPI_DOUBLE_COMPLEX, MPI_SUM,...

09 August 2024 7,615 1 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View

The Bigger You Are, the Harder You Fall (some lessons from Dinosaurs)?

Evolutionary fitness is based on an organism’s ability to adapt rapidly to changing environmental circumstances. Large-bodied mammals have been equipped with large brains (and hence a high...

06 August 2024 4,849 2 View

What is the prepared reference material that can be used in inductively coupled plasma optical emission spectrometry (ICP-OES) to measure REE and U ?

What is the prepared reference material that can be used in the ICPE-9820 Shimadzu Japan instrument, which employs inductively coupled plasma optical emission spectrometry (ICP-OES) to measure...

06 August 2024 1,896 1 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 1 View

State of art in natural disasters?

Are increasing the costs of disasters in the affected countries.

01 August 2024 1,794 2 View

How can I get my Granzyme B flow cytometry stain to be consistent?

I have used PE and PE-Dazzle 594 fluorochromes and have managed to get NK cells to properly show GranzymeB expression after 4 hr PMA/ionomycin stimulaton, but for some reason my CD8 cells in the...

01 August 2024 7,677 2 View

Some new emerging problems on application of RL for scheduling in IoT networks?

I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...

01 August 2024 8,754 2 View

Rajamohan Ayiravalli

It is nothing but the same 'Fibre Volume Fraction' in composites!

Fereshteh Hassani

This might be helpful:

https://innovationspace.ansys.com/forum/forums/topic/fiber-volume-fraction-yarn-volume-fraction-yarn-fiber-volume-fraction-what-do-they-stand-for/

Van R. Mohammed

Yarn Fiber Volume Fraction (FVF) is the ratio of the fiber volume to the total yarn volume (including both fibers and voids).