Rizwan Ul Hassan

18 Questions 11 Answers 0 Followers

Questions related from Rizwan Ul Hassan

How can we get average velocity of of open channel by integrating over the channel height and length?

I am following one paper about the "Electrokinetic actuation of low conductivity dielectric" but did not understand the equation 35 derivations. Can anyone please help me to find Maxwell gradient...

02 February 2020 9,522 3 View

I am following one paper about Tribo Electric Nano generator but getting 10000 times less results?

I have followed all the parameters and also changed them as well. But still values are 10000 times lower than the published one. I have focused on 1. Thickness of surfaces 2. Contact area 3....

05 May 2019 5,688 0 View

Is it possible to get 1700 v from 25 mm^2 area from tribo nanogenerator?

I am following this paper but the results are too high to get from mentioned data? Can anyone guide me about this? Carbon Electrodes Enable Flat Surface PDMS and PA6 Triboelec...

05 May 2019 2,797 1 View

How can I measure or check the adhesion( interface force) between cured consecutive layers of PDMS?

Let suppose we make a PDMS lines( 50um) on glass/PET substrate and after fully curing PDMS, we cover the PDMS lines by spin coating with PDMS and again cured the whole sample. Now, how can I...

03 March 2019 3,156 4 View

Why DMA(Dynamic mechanical analysis) results of shape memory polymers are showing odd behavior?

Dear members, I have a Benzyl methacrylate (monomer) and two types of crosslinkers , di(ethylene glycol) dimethacrylate (DEGDMA),poly(ethylene glycol) dimethacrylate (PEGDMA) and Carbonyl iron...

05 May 2017 6,111 4 View

Whats can be expected applications of 2 different shape memory polymers layered one another?

Dear all, If we have 2 different shape memory polymers with different glass transition temperatures, layered one another along the thickness, then what can be expected applications? What can be...

04 April 2017 9,999 1 View

How wave length dimension play a role in curing time for 3D printing?

I am trying to cure my photo polymer using SL 3D printing technique, but material is not being cured by UV light of 405 nm. What type of parameters should be changed to cure my material?

01 January 2017 5,207 1 View

Can we fabricate four different polymers using 3D technique?

Dear all, I am trying to fabricate multi materials in a single process using 3D technique? what type of parameters should be kept in mind to make it more reliable?

12 December 2016 8,555 0 View

Can we use our own polymer resin for SLA and Multi Jet 3D printers?

I have my own resins, how can I confirm that they are compatible for SLA and Multijet 3D printers?

11 November 2016 4,772 2 View

What is difference between graphite and CNT in terms of mechanical properties?

Dear researchers, How can we differentiate CNT and graphite without characterization techniques like SEM, XRD??

10 October 2016 8,489 2 View

Which type of methods can be used to fabricate a functionally graded polymer?

Let suppose, we have two type of materials, one is in liquid shape and other one is in powder shape, is it possible to make FGM type structure?? IS possible then how can we proceed?

10 October 2016 4,434 1 View

How to find the the material properties along the thickness?

I am trying to find out the the properties of bulk graded composites, along the thickness. Should I have to cut off the the sample and follow the hardness tests and characterization techniques?...

09 September 2016 9,523 5 View

Why frequency response of beam gives us absolute value?

I am performing experiment on function generator and software TSWA. I got results for frequency response curve. In results, it is showing only absolute values(+ve) of displacement. I draw a graph...

07 July 2016 581 8 View

I am doing experiment on beam but i am unable to get displacement unit in Time displacement curve?

Why we don't get units in some experiments?

07 July 2016 10,012 0 View

Is there any way to find Loss Modulus and Storage Modulus, Damping factor using experimental determined time displacement values and FFT graph ?

I am new and don't know exactly,what to do other than rheometer determination?

06 June 2016 5,998 2 View

How to construct phase plane diagram for Simply supported beam?

Please assume data for drawing graph.

06 June 2016 3,622 0 View

Can Any one help to review MAT-LAB program for Probability density function?

I am new and trying to construct PDF for column A and C, but is is not giving the required results?

06 June 2016 4,473 3 View

Is there any software to construct Probability density function(PDF) graph?

I am working on simply supported beam, please let me know any hint or idea?

06 June 2016 6,673 13 View