✦ LIBER ✦

An estimation for velocity and temperature profiles of nanofluids in fully developed turbulent flow conditions

✍ Scribed by Majid Emami Meibodi; Mohsen Vafaie-Sefti; Ali Morad Rashidi; Azadeh Amrollahi; Mohsen Tabasi; Hossein Sid Kalal

Publisher: Elsevier Science
Year: 2010
Tongue: English
Weight: 751 KB
Volume: 37
Category: Article
ISSN: 0735-1933
DOI: 10.1016/j.icheatmasstransfer.2010.03.012

No coin nor oath required. For personal study only.

✦ Synopsis

Theoretically convective heat transfer coefficient depends on velocity and temperature profiles. In this work friction factor and convection coefficient are used in order to compare both profiles for nanofluids and base fluids. For this purpose Al 2 O 3 /water (due to its present vast experimental study) and carbon nanotube/water (manufactured and examined with our group) are selected. The results show that velocity profile of a nanofluid is similar to the velocity profile of its base fluid. It is proposed that the change of temperature profile for nanofluids compared to the base fluids is the only variable responsible for unpredictable convective heat transfer coefficient of nanofluids using available correlations.

📜 SIMILAR VOLUMES

Temperature profiles for turbulent flow

Temperature profiles for turbulent flow of air in a pipe I. The fully developed heat transfer region

✍ W. Squire 📂 Article 📅 1964 🏛 Elsevier Science 🌐 English ⚖ 156 KB

Letters to the Editor According to our procedure, the functional relation, mixing condition and objective function are rewritten as x1.1 = fib,o; Wl) x1.0 = Q1Cl.f + Bx1.1; ct+p=1 x2.1 = x2.0 + -; (x1,1 -x1.0) -C(WI) xa,o = 0 For this case, equations (1) through (4) reduce to n z1.0 = Zl.1 afi(xl.0;

Developing and fully developed velocity

Developing and fully developed velocity profiles for inelastic power law fluids in an annulus

✍ Carlos Tiu; Satinath Bhattacharyya 📂 Article 📅 1974 🏛 American Institute of Chemical Engineers 🌐 English ⚖ 544 KB

## Abstract Developing and fully developed velocity profiles with respect to position for laminar flow of inelastic fluids in an annulus were measured using streak photography. The polymer solutions used in the investigation were found to exhibit power law behavior under the present experimental co