Two different viewpoints about using aerosol-carbon nanofluid in corrugated solar collectors: thermal-hydraulic performance, and heating performance

Soroush Sadripour Briefs about my research: In this study the effects of corrugated absorber plate and using aerosol-carbon black...

Soroush Sadripour

Briefs about my research:
GJRE: Global Journals Blog

In this study the effects of corrugated absorber plate and using aerosol-carbon black nanofluid on heat transfer and turbulent flow in solar collectors with double application and air heating collectors, were numerically investigated. The two-dimensional continuity, momentum and energy equation were solved by finite volume and SIMPLE algorithm. In the present investigation all the simulations were done for two different angles of tilt of collector according to horizon, that these angles were the optimum ones for the period of six months setting. As a result the corrugated absorber plate was inspected in the case of triangle, rectangle and sinuous with the wave length of 1 mm and wave amplitude of 3 mm in turbulent flow regime and Reynolds number between 2500 to 4000. Choosing the proper geometry was carried out based on the best performance evaluation criteria (PEC), for collectors with dual usage and increasing the air temperature from collector inlet to outlet for air heating collector. The results revealed that using corrugated absorber plate has a considerable influence on flow field and heat transfer. For all times of the year the highest PEC was obtained for corrugated Sinusoidal model, however the highest temperature increase from inlet to outlet was obtained for rectangular corrugated model. Also it was understood that in the case of using air as a base fluid, whether for the case of temperature increment from inlet to outlet or the highest PEC, the optimum Reynolds is 2500. For each of the corrugated absorber plate with sinusoidal and rectangular models, the carbon black nanoparticles were added to air base fluid in volume fractions of 0.1% to1%. The results indicated that in sinusoidal model the nanoparticles volume fractions increase leads to heat performance coefficient increase and the best heat performance conditions were attained in volume fraction of 1% and Reynolds number of 4000 for both six months period. In rectangular corrugated model using nanofluid and Reynolds number increase do not worth and lead to outlet temperature decrease. Therefore for this model using air and Reynolds number of 2500 is recommended.

Spent time:
From September 2014 to January 2017

Who/What inspired me to research on this topic and over what time:
Our professor, Ghanbar Ali Sheikhzadeh, had a remarkable effect to inspire us for researching on this paper. On the other side, one way in order to reach the highest thermal performance in heat exchangers is to apply some changes in their geometry. Getting the heat exchanger jagged and grooved on the interior side is one of the methods for breaking the laminar sub layer and creating the local wall turbulence (due to repetitive flow separation and adhesion between successive grooves). This method decreases the thermal resistance and increases the heat transfer considerably. Stationary and rotational obstacles are good choices due to fulfill this demand.

My suggestions or ideas for future works in this field
  • 3D modeling of present study.
  • Entropy generation analysis for present study.
  • Analysis of nanoparticle size of Carbon Blacks particles.

My publishing experience with Global Journals:
I want to thank Dr. Shaoping Xiao, Dr. Alexander S. Walker and Dr. Cindy C. Davisn because of their excellent responsiveness.

GJRE: Global Journal of Research in Engineering

Soroush Sadripour is an Engineering Lecturer in Faculty of Mechanical Engineering, University of Shahreza. He got his M.Sc. and B.Sc. from Mechanical Engineering Department, University of Kashan in 2016 and 2014, respectively. Also he is R&D Manager in Isfahan Science and Technology Town and Editorial Member in American Journal of Modern Energy. Fields of interest: Energy Conversion, Renewable Energy, Nanofluids, Thermal Comfort and Combustion Furnaces. He is a member of National Elites Foundation of Iran.

GJRE: Global Journal Blog
Mohammad Adibi is a Ph.D. candidate of Mechanical engineering University of Isfahan. He studied in Kashan university (M.S degree) and Shahr-e-Kord university (B.S degree). He is working on nano-fluids and everything related to that. He has some articles about nano-fluids in micro tubes with micro scale steps in some conferences.

Global Journal of Engineering Research
Ghanbar Ali Sheikhzadeh is an Associate Professor of Mechanical Engineering Department at University of Kashan, Kashan, Iran. He received his PhD in Mechanical Engineering from Shahid Bahonar University of Kerman. His research work concerns numerical analysis and application of heat transfer in nano-systems and other areas of thermal and fluid sciences. Dr. Sheikhzadeh has published many journal and conference papers on these topics.

Research Article:



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Global Journals | Engineering Innovations & Stories Blog: Two different viewpoints about using aerosol-carbon nanofluid in corrugated solar collectors: thermal-hydraulic performance, and heating performance
Two different viewpoints about using aerosol-carbon nanofluid in corrugated solar collectors: thermal-hydraulic performance, and heating performance
Global Journals | Engineering Innovations & Stories Blog
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