Cooling of high-power LEDs by liquid sprays

Standard

Cooling of high-power LEDs by liquid sprays : Challenges and prospects. / Khandekar, Sameer; Sahu, Gopinath; Muralidhar, K. et al.

In: Applied Thermal Engineering, Vol. 184, 115640, 05.02.2021.

Research output: Contribution to journal › Review article › peer-review

Harvard

Khandekar, S, Sahu, G, Muralidhar, K, Gatapova, EY, Kabov, OA, Hu, R, Luo, X & Zhao, L 2021, 'Cooling of high-power LEDs by liquid sprays: Challenges and prospects', Applied Thermal Engineering, vol. 184, 115640. https://doi.org/10.1016/j.applthermaleng.2020.115640

APA

Khandekar, S., Sahu, G., Muralidhar, K., Gatapova, E. Y., Kabov, O. A., Hu, R., Luo, X., & Zhao, L. (2021). Cooling of high-power LEDs by liquid sprays: Challenges and prospects. Applied Thermal Engineering, 184, [115640]. https://doi.org/10.1016/j.applthermaleng.2020.115640

Vancouver

Khandekar S, Sahu G, Muralidhar K, Gatapova EY, Kabov OA, Hu R et al. Cooling of high-power LEDs by liquid sprays: Challenges and prospects. Applied Thermal Engineering. 2021 Feb 5;184:115640. Epub 2020 Jun 23. doi: 10.1016/j.applthermaleng.2020.115640

Author

Khandekar, Sameer ; Sahu, Gopinath ; Muralidhar, K. et al. / Cooling of high-power LEDs by liquid sprays : Challenges and prospects. In: Applied Thermal Engineering. 2021 ; Vol. 184.

BibTeX

@article{f0eaa801213e4c4e8fe4ba6eb05f7d85,

title = "Cooling of high-power LEDs by liquid sprays: Challenges and prospects",

abstract = "Light Emitting Diodes (LEDs) are getting popular due to their wide applicability in various domestic and industrial applications. However, the advent of high-power LEDs is accompanied with the critical issue of higher heat power management, coupled with enhanced flux levels. Natural and forced convection techniques with air as the working fluid are unable to provide thermal management at required operating safe temperatures in several upcoming compact LED array designs. Hence, there is substantial advancement in the development of thermal management solutions for the packaging of high-power LEDs. Liquid jets and sprays are potential candidates which need further exploration, especially from a point of view of packaging with LED modules. Both configurations can operate in single-phase and two-phase boiling regimes. While considerable literature is available on single-phase liquid jets, liquid sprays pose several challenges in terms of flow parameter management and associated transport physics. In this paper, we review nuances of the latter technology, i.e., spray cooling technique, crucial for thermal management of LEDs. A comprehensive overview of flow distribution and heat transfer during impingement of liquid sprays on heated surfaces is presented from the viewpoint of temperature control of high power LED sources. Additionally, the data presented will help in developing a configuration design of a liquid spray-based thermal management system integrated with high heat flux devices.",

keywords = "Droplet impingement, LEDs, Spray cooling, Thermal management, BOILING REGIMES, THERMAL MANAGEMENT, IMPINGEMENT, FLUX, DROP IMPACT, WATER SPRAY, SINGLE-PHASE, PART 1, HEAT-TRANSFER CHARACTERISTICS, LIGHT-EMITTING DIODE",

author = "Sameer Khandekar and Gopinath Sahu and K. Muralidhar and Gatapova, {Elizaveta Ya} and Kabov, {Oleg A.} and Run Hu and Xiaobing Luo and Liang Zhao",

year = "2021",

month = feb,

day = "5",

doi = "10.1016/j.applthermaleng.2020.115640",

language = "English",

volume = "184",

journal = "Applied Thermal Engineering",

issn = "1359-4311",

publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Cooling of high-power LEDs by liquid sprays

T2 - Challenges and prospects

AU - Khandekar, Sameer

AU - Sahu, Gopinath

AU - Muralidhar, K.

AU - Gatapova, Elizaveta Ya

AU - Kabov, Oleg A.

AU - Hu, Run

AU - Luo, Xiaobing

AU - Zhao, Liang

PY - 2021/2/5

Y1 - 2021/2/5

N2 - Light Emitting Diodes (LEDs) are getting popular due to their wide applicability in various domestic and industrial applications. However, the advent of high-power LEDs is accompanied with the critical issue of higher heat power management, coupled with enhanced flux levels. Natural and forced convection techniques with air as the working fluid are unable to provide thermal management at required operating safe temperatures in several upcoming compact LED array designs. Hence, there is substantial advancement in the development of thermal management solutions for the packaging of high-power LEDs. Liquid jets and sprays are potential candidates which need further exploration, especially from a point of view of packaging with LED modules. Both configurations can operate in single-phase and two-phase boiling regimes. While considerable literature is available on single-phase liquid jets, liquid sprays pose several challenges in terms of flow parameter management and associated transport physics. In this paper, we review nuances of the latter technology, i.e., spray cooling technique, crucial for thermal management of LEDs. A comprehensive overview of flow distribution and heat transfer during impingement of liquid sprays on heated surfaces is presented from the viewpoint of temperature control of high power LED sources. Additionally, the data presented will help in developing a configuration design of a liquid spray-based thermal management system integrated with high heat flux devices.

AB - Light Emitting Diodes (LEDs) are getting popular due to their wide applicability in various domestic and industrial applications. However, the advent of high-power LEDs is accompanied with the critical issue of higher heat power management, coupled with enhanced flux levels. Natural and forced convection techniques with air as the working fluid are unable to provide thermal management at required operating safe temperatures in several upcoming compact LED array designs. Hence, there is substantial advancement in the development of thermal management solutions for the packaging of high-power LEDs. Liquid jets and sprays are potential candidates which need further exploration, especially from a point of view of packaging with LED modules. Both configurations can operate in single-phase and two-phase boiling regimes. While considerable literature is available on single-phase liquid jets, liquid sprays pose several challenges in terms of flow parameter management and associated transport physics. In this paper, we review nuances of the latter technology, i.e., spray cooling technique, crucial for thermal management of LEDs. A comprehensive overview of flow distribution and heat transfer during impingement of liquid sprays on heated surfaces is presented from the viewpoint of temperature control of high power LED sources. Additionally, the data presented will help in developing a configuration design of a liquid spray-based thermal management system integrated with high heat flux devices.

KW - Droplet impingement

KW - LEDs

KW - Spray cooling

KW - Thermal management

KW - BOILING REGIMES

KW - THERMAL MANAGEMENT

KW - IMPINGEMENT

KW - FLUX

KW - DROP IMPACT

KW - WATER SPRAY

KW - SINGLE-PHASE

KW - PART 1

KW - HEAT-TRANSFER CHARACTERISTICS

KW - LIGHT-EMITTING DIODE

UR - http://www.scopus.com/inward/record.url?scp=85097787459&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/cbe2dcef-a168-3caf-8f27-369781b1d2d9/

U2 - 10.1016/j.applthermaleng.2020.115640

DO - 10.1016/j.applthermaleng.2020.115640

M3 - Review article

AN - SCOPUS:85097787459

VL - 184

JO - Applied Thermal Engineering

JF - Applied Thermal Engineering

SN - 1359-4311

M1 - 115640

ER -

ID: 27118714