The present work investigates the thermal performance of a five turn Open Loop Pulsating Heat Pipe (OLPHP). The effects of working fluid namely water and ferrofluid, heat input, ferrofluid concentration, charging ratio, and orientation will be considered. Experimental results show that using ferrofluids can enhance the thermal performance in comparison with the case of distilled water. In addition, applying a magnetic field on the OLPHP charged with ferrofluid reduces its thermal resistance. Variation of the ferrofluid concentration results in different thermal performance of the OLPHP. Best charging ratio for the distilled water and ferrofluid without magnetic field is 60% in most of the cases, while in the case of ferrofluid in the presence of magnetic field at low heat inputs, 20% and at high heat inputs 60% of charging ratios have lowest thermal resistance.
- Nanotechnology Institute
Experimental Investigation of an Open Loop Pulsating Heat Pipe Using Ferrofluid
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Mohammadi, M, Taslimifar, M, Saidi, MH, Shafii, MB, Afshin, H, & Kazemzadeh Hannani, S. "Experimental Investigation of an Open Loop Pulsating Heat Pipe Using Ferrofluid." Proceedings of the ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. Atlanta, Georgia, USA. March 3–6, 2012. pp. 175-184. ASME. https://doi.org/10.1115/MNHMT2012-75069
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