Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER

Research output: Contribution to journalArticle

Standard

Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER. / Mueller-Trefzer, Franziska; Niedermeier, Klarissa; Fellmoser, F.; Flesch, J.; Pacio, Julio; Wetzel, Thomas.

In: Solar Energy, Vol. 221, 30.04.2021, p. 176-184.

Research output: Contribution to journalArticle

Harvard

Mueller-Trefzer, F, Niedermeier, K, Fellmoser, F, Flesch, J, Pacio, J & Wetzel, T 2021, 'Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER', Solar Energy, vol. 221, pp. 176-184. https://doi.org/10.1016/j.solener.2021.03.066

APA

Mueller-Trefzer, F., Niedermeier, K., Fellmoser, F., Flesch, J., Pacio, J., & Wetzel, T. (2021). Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER. Solar Energy, 221, 176-184. https://doi.org/10.1016/j.solener.2021.03.066

Vancouver

Mueller-Trefzer F, Niedermeier K, Fellmoser F, Flesch J, Pacio J, Wetzel T. Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER. Solar Energy. 2021 Apr 30;221:176-184. https://doi.org/10.1016/j.solener.2021.03.066

Author

Mueller-Trefzer, Franziska ; Niedermeier, Klarissa ; Fellmoser, F. ; Flesch, J. ; Pacio, Julio ; Wetzel, Thomas. / Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER. In: Solar Energy. 2021 ; Vol. 221. pp. 176-184.

Bibtex - Download

@article{a948bca23eae45b2a8d19fa91427ee41,
title = "Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER",
abstract = "Liquid metals are promising candidates for highly efficient thermal receivers in concentrating solar power plants due to their excellent thermal conductivity. In the SOMMER (SOlar furnace with a Molten MEtal-cooled Receiver) facility at the Karlsruhe Institute of Technology (KIT), the cooling of a 10-kW thermal receiver by a lead–bismuth eutectic flow has been successfully demonstrated at high heat flux conditions in a solar furnace without any receiver damage. The experimental results show that peak heat fluxes of up to 4 MW/m2 can be achieved in the SOMMER facility and efficiently cooled with a liquid metal flow. In this study, the experimentally determined heat flux densities in the focal point of the solar furnace and the power input by the receiver are presented. In addition, the estimation of the thermal losses of the receiver are described and the results are discussed.The test results from three different shutter blinds positions as well as three different inlet temperatures (200 °C, 250 °C, 300 °C) and different mass flows are presented. During the measurement campaign in the summer of 2019 the Direct Normal Irradiance (DNI) values ranged from 670 W/m2 to 960 W/m2. Under these conditions maximum wall temperatures of 670 °C were measured. All in all, the results prove the excellent cooling ability of liquid metals under high heat flux conditions of up to 4 MW/m2.",
keywords = "Liquid metal, Concentrated solar power, Thermal receiver, Lead–bismuth eutectic, High heat flux",
author = "Franziska Mueller-Trefzer and Klarissa Niedermeier and F. Fellmoser and J. Flesch and Julio Pacio and Thomas Wetzel",
note = "Score=10",
year = "2021",
month = "4",
day = "30",
doi = "10.1016/j.solener.2021.03.066",
language = "English",
volume = "221",
pages = "176--184",
journal = "Solar Energy",
issn = "0038-092X",
publisher = "Pergamon - Elsevier",

}

RIS - Download

TY - JOUR

T1 - Experimental results from a high heat flux solar furnace with a molten metal-cooled receiver SOMMER

AU - Mueller-Trefzer, Franziska

AU - Niedermeier, Klarissa

AU - Fellmoser, F.

AU - Flesch, J.

AU - Pacio, Julio

AU - Wetzel, Thomas

N1 - Score=10

PY - 2021/4/30

Y1 - 2021/4/30

N2 - Liquid metals are promising candidates for highly efficient thermal receivers in concentrating solar power plants due to their excellent thermal conductivity. In the SOMMER (SOlar furnace with a Molten MEtal-cooled Receiver) facility at the Karlsruhe Institute of Technology (KIT), the cooling of a 10-kW thermal receiver by a lead–bismuth eutectic flow has been successfully demonstrated at high heat flux conditions in a solar furnace without any receiver damage. The experimental results show that peak heat fluxes of up to 4 MW/m2 can be achieved in the SOMMER facility and efficiently cooled with a liquid metal flow. In this study, the experimentally determined heat flux densities in the focal point of the solar furnace and the power input by the receiver are presented. In addition, the estimation of the thermal losses of the receiver are described and the results are discussed.The test results from three different shutter blinds positions as well as three different inlet temperatures (200 °C, 250 °C, 300 °C) and different mass flows are presented. During the measurement campaign in the summer of 2019 the Direct Normal Irradiance (DNI) values ranged from 670 W/m2 to 960 W/m2. Under these conditions maximum wall temperatures of 670 °C were measured. All in all, the results prove the excellent cooling ability of liquid metals under high heat flux conditions of up to 4 MW/m2.

AB - Liquid metals are promising candidates for highly efficient thermal receivers in concentrating solar power plants due to their excellent thermal conductivity. In the SOMMER (SOlar furnace with a Molten MEtal-cooled Receiver) facility at the Karlsruhe Institute of Technology (KIT), the cooling of a 10-kW thermal receiver by a lead–bismuth eutectic flow has been successfully demonstrated at high heat flux conditions in a solar furnace without any receiver damage. The experimental results show that peak heat fluxes of up to 4 MW/m2 can be achieved in the SOMMER facility and efficiently cooled with a liquid metal flow. In this study, the experimentally determined heat flux densities in the focal point of the solar furnace and the power input by the receiver are presented. In addition, the estimation of the thermal losses of the receiver are described and the results are discussed.The test results from three different shutter blinds positions as well as three different inlet temperatures (200 °C, 250 °C, 300 °C) and different mass flows are presented. During the measurement campaign in the summer of 2019 the Direct Normal Irradiance (DNI) values ranged from 670 W/m2 to 960 W/m2. Under these conditions maximum wall temperatures of 670 °C were measured. All in all, the results prove the excellent cooling ability of liquid metals under high heat flux conditions of up to 4 MW/m2.

KW - Liquid metal

KW - Concentrated solar power

KW - Thermal receiver

KW - Lead–bismuth eutectic

KW - High heat flux

UR - https://ecm.sckcen.be/OTCS/llisapi.dll?func=ll&objId=45157210&objAction=download

U2 - 10.1016/j.solener.2021.03.066

DO - 10.1016/j.solener.2021.03.066

M3 - Article

VL - 221

SP - 176

EP - 184

JO - Solar Energy

JF - Solar Energy

SN - 0038-092X

ER -

ID: 7182505