Wei Xian Hong

4 Questions 5 Answers 0 Followers

Questions related from Wei Xian Hong

Preparing nanofluid in large quantity. Is it advisable to prepare few batches or prepare a concentrate and followed by dilution later?

I fixed my ultra-sonication duration on my samples. If I prepare my samples by batch, the previous batch might start agglomerating. The maximum quantity on 1 preparation is 500 ml and few hours....

03 September 2019 7,571 2 View

Why mixture of water and ethylene glycol shows double degradation in TGA?

- No other substances - 10 C/min of heating rate - Obtained same results several times

09 April 2019 8,829 6 View

I was acknowledged that true density must be used to compute required amount of nanopowders. How if only bulk density is available from supplier?

Functionalized graphene nanoplatelets

19 September 2018 2,096 3 View

Will the heat generated in gear tooth transferred to the center of gear and escape through convection?Heat generated will affect efficiency of system?

1. gearing system 2. heat transfer through convection from side surfaces 3. friction between gear tooth 4. how to reduce heat generated instead of using lubricant

19 February 2016 6,751 2 View