Muataz A Atieh
Qatar Environment and Energy Research Institute, Qatar
Title: Nanofluids as new heat transfer fluid for energy saving
Biography
Biography: Muataz A Atieh
Abstract
The development of new classes of fluids with enhanced heat transfer capabilities has been the subject of significant research. One area of interest in this field involves the use of additives to improve the properties of heat-transfer fluids. Metal and metal oxide additives are of particular interest in heat-transfer fluid applications, especially when they are manufactured on the Nanoscale. Since then, the suspension of nanoparticles in conventional heat-transfer fluids has been shown to improve the thermal conductivity and convective heat-transfer performance by an order of magnitude over the traditional base fluids (ethylene glycol, water, oils). A key consideration in using nanoparticles in heat-transfer fluids to produce nanofluids that yield reliable results is to ensure that the nanofluid is stable.By incorporating carbon nanotubes (CNTs) in fluids, it is expected that such nanofluids would exhibit major improvement in thermal conductivity due to the very high thermal conductivity of CNT. To the best of our knowledge, there is no published work on the thermo-physical properties of nanofluids using water as base fluid containing modified CNTs and their behavior as a heat-transfer fluid in turbulent flow regimes, where most of practical flows fall. Therefore, this study focuses on the measurement of the basic thermo-physical properties of CNTs impregnated with iron oxide on their surfaces, such as specific heat capacity (Cp), and thermal conductivity.