1. Nanofluid Challenge & its applications
In the name of my lovely
God
Nanofluid Challenge & its applications
Supervisor :
Dr.Sarreshtedari
Presented by
Matin Ghadiri
December 2013 – Shahrood university of technology

2. Introduction
Challenge
Application
1.Introduction
Nanofluids are a relatively new class of fluids which consist of a base fluid with nano-sized particles (1–100 nm) suspended within them
Nanofluids possess the following advantages :
High dispersion stability
Reduced pumping power
Reduced particle clogging
Adjustable properties

3. Introduction
Challenge
Application

4. 2.Challenges of nanofluids
Introduction
Challenge
Challenge
Application
2.Challenges of nanofluids
Long term stability of nanoparticles dispersion
1. Surfactant or activator adding
2. pH control (surface chemical effect)
3. Ultrasonic vibration

5. 2.Challenges of nanofluids
Introduction
Challenge
Challenge
Application
2.Challenges of nanofluids
Increased pressure drop and pumping power

6. 2.Challenges of nanofluids
Introduction
Challenge
Challenge
Application
2.Challenges of nanofluids
Nanofluids thermal performance in turbulent flow and fully
developed region
Higher viscosity
Lower specific heat
Thermal conductivity
High cost of nanofluids

7. 2.Application a) Cooling of electronics Introduction Challenge

8. 2.Application b) Biomedical applications (e.g. Drug delivery)
Introduction
Challenge
Challenge
Application
Application
2.Application
b) Biomedical applications (e.g. Drug delivery)

9. References :
A review of nanofluid stability properties and characterization in stationary conditions by A. Ghadimi. International Journal of Heat and Mass Transfer 2011
A review on applications and challenges of nanofluids by R.Saidur. Renewable and Sustainable Energy Reviews 2011
A review on how the researchers prepare their nanofluids by Zoubida Haddad. International Journal of Thermal Sciences 2014
A review on Nanofluids: Preparation, Stability Mechanisms and Applications by Wei Yu . Journal of Nanomaterials 2012

10. Speacial thanks to your attention
Matin Ghadiri
Fall 2013
Shahrood university of technology