نتایج جستجو برای: Conjugated Heat Transfer

تعداد نتایج: 486923  

Hossein Shokouhmand Javad Rostami

In this paper conjugated heat transfer in thermal entrance region through the sinusoidal wavy channel has been investigated. The fluid flow is assumed to be laminar, steady state, incompressible, and hydrodynamically fully developed. A constant heat flux is assumed to be applied on the outer edge of the channel wall. In this study the governing equations including continuity, momentum and energ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...

Journal: :The Journal of Experimental Medicine 1968
Fred S. Kantor

Exposure to picryl guinea pig albumin with 3-6 picryl groups per mole failed to affect the ability of peritoneal exudate or peripheral blood leukocytes from sensitized donors to transfer delayed sensitivity to normal recipients. In contrast, conjugates containing 40-48 picryl groups per mole altered the ability of exposed leukocytes to transfer delayed sensitivity. Evidence is presented that hi...

Journal: :transport phenomena in nano and micro scales 2014
r. aghayeri h. maddah f. ashori m. aghili

in this work, the characteristics of flow and heat transfer of a fluid containing nano particles of aluminum oxide with the water volume fraction (0.1-0.2-0.3)(v/v) percent of the reports. the overall heat transfer coefficient, heat transfer and the average heat transfer fluid containing nano water - aluminum oxide in a horizontal double pipe counter flow heat exchanger under turbulent flow con...

Journal: :international journal of nanoscience and nanotechnology 2014
m. a. safi a. ghozatloo a. a. hamidi m. shariaty-niassar

the objective of the present study is the synthesis of mwcnt-tio2 hybrid nanostructures by solvothermal synthesis method with ticl4 as precursor. the heat transfer enhancement due to the use of mwcnt-tio2 nanofluid was investigated. as-prepared hybrid materials were characterized by x-ray diffraction (xrd) and scanning electron microscopy (sem). the results showed that mwcnts were uniformly dec...

Journal: :Chemical communications 2012
Helga Seyler David J Jones Andrew B Holmes Wallace W H Wong

A selection of conjugated polymers, widely studied in organic electronics, was synthesised using continuous flow methodology. As a result of superior heat transfer and reagent control, excellent polymer molecular mass distributions were achieved in significantly reduced reaction times compared to conventional batch reactions.

Journal: :international journal of nano dimension 0
m. falahaty naghibi school of mechanical enginnering, shahid rajaee teacher training university, tehran, iran. m. rahimi-esbo young researchers and elite club, buin zahra branch, islamic azad university, buin zahra, iran. r. mohammadyari young researchers and elite club, buin zahra branch, islamic azad university, buin zahra, iran. k. mobini school of mechanical enginnering, shahid rajaee teacher training university, tehran, iran.

using of nanofluids and ducts with corrugated walls are both supposed to enhance heat transfer, by increasing the heat transfer fluid conductivity and the heat transfer area respectively. use of a diverging duct with a jet at inlet section may further increase heat transfer by creating recirculation zones inside the duct. in this work two-dimensional incompressible laminar flow of a nanofluid e...

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