Browsing by Author "Ghaffari, Omidreza"
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Effect of actuator deflection on heat transfer for low and high frequency synthetic jets
Ikhlaq, Muhammad; Ghaffari, Omidreza; Arık, Mehmet (IEEE, 2014)Synthetic jets are being investigated over the last four decades. Researchers have been interested in its unique applications for a wide range of flow control to thermal management of electronics applications. Synthetic ... -
An experimental study of impinging synthetic jets for heat transfer augmentation
Ghaffari, Omidreza; Ikhlaq, Muhammad; Arık, Mehmet (World Scientific Publishing Co, 2015-07)According to recent trends in the field of miniature electronics, the need for compact cooling solutions compatible with very thin profiles and small footprint areas is inevitable. Impinging synthetic jets are recognized ... -
Flow and heat transfer study of an impinging piezoelectric fan over a vertical surface
Parsa, Shadi Habibi; Ghaffari, Omidreza; Solovitz, S.; Arık, Mehmet (ASME, 2016)Piezoelectric fans are low-form-factor cooling devices, which have gained recent attention for electronics cooling. These devices feature a vibrating blade, which sheds vortices from its tip during its motion. The performance ... -
An investigation into flow and heat transfer for a slot impinging synthetic jet
Ghaffari, Omidreza; Solovitz, S. A.; Arık, Mehmet (Elsevier, 2016-09)According to the latest trends in miniature consumer and military electronics, there is a need for compact cooling solutions to meet performance requirements at compact volumes. Successful technology must feature a thin ... -
An investigation into flow and heat transfer of an ultrasonic micro-blower device for electronics cooling applications
Ghaffari, Omidreza; Solovitz, S. A.; Ikhlaq, Muhammad; Arık, Mehmet (Elsevier, 2016-05-08)As compact electronics increase in functionality, new electronics cooling approaches must be more effective, and they must be lower in form factor. In this paper, we investigated the cooling performance of a miniature ... -
An investigation into fluid flow and heat transfer of high frequency synthetic jets for electronics cooling
Ghaffari, Omidreza (2016-04)Modern electronics have been decreasing in size for decades, so their cooling systems must continually improve in efficiency too. In particular, compactness is vital, which is challenging because typical thermal management ... -
An investigation into momentum and temperature fields of a meso-scale slot synthetic jet for a small jet-to-surface spacing
Ghaffari, Omidreza; Doğruöz, M. B.; Arık, Mehmet (Begell House Inc., 2014)Impinging synthetic jets have been identified as a promising technology for cooling miniature structures. Recognizing their thermal performance on the target surface requires a fundamental understanding of the momentum ... -
An investigation into momentum and temperature fields of a meso-scale synthetic jet
Ghaffari, Omidreza; Doğruöz, M. B.; Arık, Mehmet (IEEE, 2014)Thermal management has become a critical part of advanced micro and nano electronics systems due to high heat transfer rates. More constraints such as compactness, small footprint area, lightweight, high reliability, ... -
A numerical study of a single unsteady laminar slot jet in a confined structure
Ghaffari, Omidreza; Doğruöz, M. B.; Arık, Mehmet (ASME, 2013)With the inherit advantages of air cooling, jet impingement can produce a factor of two or higher heat transfer than conventional fan flow over bodies. Therefore, impinging jets can solve a number of electronics thermal ... -
Predicting heat transfer for low- and high-frequency central-orifice synthetic jets
Ikhlaq, Muhammad; Ghaffari, Omidreza; Arık, Mehmet (IEEE, 2016-04)As electronic devices are becoming more compact each day, the more effective and efficient active cooling technologies are needed. Microfluidic devices, such as synthetic jets, serve as a potential candidate to fulfill the ...
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