Essam M. Abo-Zahhad

4 Questions 2 Answers 0 Followers

Questions related from Essam M. Abo-Zahhad

For HOT DISK TPS2500S what heating power and measurement time are for Low-viscosity liquids (nanofluids)?

I have HOT DISK 2500S and need to measure thermal conductivity and specific heat capacity of nanofluids which their viscosity near to water ones.i have tried to measure them but the results were...

14 October 2016 4,009 1 View

What is the refractive index of graphene RI ?

I need to measure the zeta potential value for graphene/water nanofluid. The RI of graphene is needed. N.B. Lauryl sodium benzene sulfonate acid was used as a surfactant.

05 April 2016 495 3 View

Is it valid to apply Wiedemann–Franz law to determine thermal conductivity of a liquids?

i need to measure the thermal conductivity K of nano fluid ,but i not have measuring devices for this , at the same time i can measure the electrical conductivity

02 April 2016 383 4 View

What are the factors that effect of the measurement accuracy of zeta potential?

I repeated many sample at same PH but there is different between them? it was for graphene at ethanol it given me 0.226 ,-0.260,and 0.0602 mv

24 August 2015 8,839 4 View