TY - JOUR
T1 - Effect of the acoustic manipulation on single phase immersion cooling performance of discretely heated vertical plate
AU - Ozer, Rahim Aytug
AU - Sahin, Bayram
AU - Ates, Ibrahim
N1 - Publisher Copyright:
© 2023 Elsevier Ltd
PY - 2023/12/15
Y1 - 2023/12/15
N2 - In the cooling of high heat capacity systems, immersion cooling systems are increasing importance due to the insufficient heat dissipation rates of conventional cooling systems. In this study, the effects of ultrasonic sound waves on cooling performance in single-phase immersion cooling systems were investigated. Experimental study was carried out with ultrasonic sound waves for 9.6 kHz, 14.4 kHz, 19.2 kHz, 24 kHz and silent conditions. In addition, the effects of discrete heat sources on thermal performance were investigated by changing the surface (embedded, 2 mm protruding, 4 mm protruding) and location configurations. According to the results obtained, the highest heat transfer coefficient was calculated as 1703.36 W/m2 °C for the embedded heat source closest to the tank bottom for at 24 kHz frequency. The lowest heat transfer coefficient was calculated as 373.28 W/m2 °C for the maximum protrusion amont heat source closest to the tank upper and when ultrasound manipulation was not applied. In addition, the immersion cooling heat transfer coefficient was increased by 107.49% with ultrasonic sound wave. The heat transfer coefficient increased with increasing ultrasound frequency and decreased with increasing protrusion thickness.
AB - In the cooling of high heat capacity systems, immersion cooling systems are increasing importance due to the insufficient heat dissipation rates of conventional cooling systems. In this study, the effects of ultrasonic sound waves on cooling performance in single-phase immersion cooling systems were investigated. Experimental study was carried out with ultrasonic sound waves for 9.6 kHz, 14.4 kHz, 19.2 kHz, 24 kHz and silent conditions. In addition, the effects of discrete heat sources on thermal performance were investigated by changing the surface (embedded, 2 mm protruding, 4 mm protruding) and location configurations. According to the results obtained, the highest heat transfer coefficient was calculated as 1703.36 W/m2 °C for the embedded heat source closest to the tank bottom for at 24 kHz frequency. The lowest heat transfer coefficient was calculated as 373.28 W/m2 °C for the maximum protrusion amont heat source closest to the tank upper and when ultrasound manipulation was not applied. In addition, the immersion cooling heat transfer coefficient was increased by 107.49% with ultrasonic sound wave. The heat transfer coefficient increased with increasing ultrasound frequency and decreased with increasing protrusion thickness.
KW - Discrete heat sources
KW - Single phase heat transfer
KW - Ultrasound
KW - İmmersion cooling
UR - http://www.scopus.com/inward/record.url?scp=85170036666&partnerID=8YFLogxK
U2 - 10.1016/j.ijheatmasstransfer.2023.124649
DO - 10.1016/j.ijheatmasstransfer.2023.124649
M3 - Article
AN - SCOPUS:85170036666
SN - 0017-9310
VL - 217
JO - International Journal of Heat and Mass Transfer
JF - International Journal of Heat and Mass Transfer
M1 - 124649
ER -