Open AccessNumerical and experimental Study of Heat Transfer Enhancement in Contour Corrugated Channel Using nanofluid and Engine Oil
Author(s) -
Naseer Dawood khata,
Zena Khalefa Kadim,
Kamil Abdulhussein Khalaf
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1076/1/012086
Subject(s) - nanofluid , nusselt number , heat transfer , materials science , mechanics , pressure drop , reynolds number , heat transfer enhancement , micro heat exchanger , heat exchanger , laminar flow , thermodynamics , mechanical engineering , heat transfer coefficient , engineering , physics , turbulence
Research on improving heat transfer methods in heat exchangers has received wide attention in response to the increasing demand for high-efficiency devices in this field. Wherefore, the corrugated wall is one of the many suitable techniques used to enhance the heat transfer in heat exchangers. In the present investigation, laminar flow thermal and hydraulic efficiency of the trapezoidal, and straight counter heat exchanger with SiO2/water nanofluid and engine oil was carried out numerically and experimentally over Reynolds number ranges of 1100-2300 for nanofluid and 0.250 for engine oil. The results indicate that the numerical simulation of the laminar flow of nanofluids was performed with fractions of 0-4% volume. It should be noted that SiO2/water nanofluid has resulted in a significant improvement in heat transfer for all Reynolds numbers. Moreover, The error deviation of the Nusselt number is 0.0102% and 0.0208% between numerical and experimental work and the error deviation of the pressure drop is 0.0512% and 0.0325% between numerical and experimental work over the Reynolds number of 2300. The use of corrugated surfaces in reverse heat exchangers with nanofluid can improve heat transfer in many engineering applications, therefor the improving of the design and engineering parameters of a heat exchanger increases the heat transfer and makes it more compact, which in turn increases the efficiency of the thermal process, which leads to saving operating costs.