A 130 kWe solar simulator with tunable ultra-high flux and characterization using direct multiple lamps mapping

Zhu, Qibin; Xuan, Yimin; Liu, Xianglei; Yang, Lili; Lian, Wei; Zhang, Jin

doi:10.1016/j.apenergy.2020.115165

Cited by 32 publications

(1 citation statement)

References 54 publications

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“…In a recent study, Zhu et al [9], in order to reach a high light flux on a large area, developed a 130 kWe solar simulator with tunable ultra-high flux in a projection area of 200 mm diameter. They coupled 13 10 kWe xenon short-arc lamps and reflectors, mapping the light intensity distribution by means of a Gardon gauge and a 2-D moving unit.…”

Section: Introductionmentioning

confidence: 99%

Development of a High-Flux Solar Simulator for Experimental Testing of High-Temperature Applications

2021

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In the last few years, several studies have been carried out on concentrating solar thermal and thermochemical applications. These studies can be further enhanced by means of high-flux solar simulators (HFSS), since they allow the development of experimental tests under controlled irradiance conditions, regardless of sunshine. In this work, a new high-flux solar simulator, capable of reaching levels of irradiance higher than 100 W/cm2 (1000 suns), has been designed, built and characterized. This simulator is composed of 8 ellipsoidal specular reflectors, arranged face-down on a horizontal plane, in order to irradiate from the upper side any system requiring the simulation of concentrated solar radiation; differently from the HFSSs described in the scientific literature, this configuration allows the avoidance of any distortion of fluid-dynamic or convective phenomena within the system under investigation. As a first step, a numerical analysis of the HFSS has been carried out, simulating each real light source (Xe-arc), having a length of 6.5 mm, as a line of 5 sub-sources. Therefore, the HFSS has been built and characterized, measuring a maximum irradiance of 120 W/cm2 and a maximum temperature of 1007 °C; these values will be enough to develop experimental tests on lab-scale thermal and thermochemical solar applications.

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Section: Introductionmentioning

confidence: 99%

Development of a High-Flux Solar Simulator for Experimental Testing of High-Temperature Applications

2021

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An adjustable high‐flux LED solar simulator based on dome structure

Xue,

Song,

Qin

et al. 2024

Energy Science & Engineering

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High‐flux solar simulator (HFSS) commonly serves as a vital instrument for conducting material testing and thermochemical experiments, offering valuable applications in the fields of photovoltaic cells and concentrated solar energy. This paper proposes a continuously adjustable HFSS based on light‐emitting diodes (LEDs), which can be employed for experimental testing in the solar cell aging. First, an irradiation unit module has been built using high‐power LEDs and total internal reflection lenses, and the irradiation performance of the single unit has been validated. In theory, a dome layout model is proposed, in which a detailed geometric analysis is provided for the maximum number of units that can be accommodated on the dome, considering unit size and dome dimensions. Subsequently, aluminum disc has been used as thermal flux sensors, and the irradiation distribution of the system is characterized using a charge‐coupled device observation camera and Lambertian board. The results indicate that the system offers an adjustable average flux ranging from 1.6 to 9.04 kW/m2 when the system input current is in the range of 7.2–54 A. Additionally, the system demonstrates a spatial nonuniformity of 2% within a 10‐mm diameter (Φ = 10 mm) region test region and temporal instability of 2% within 30 min.

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Concentrating collector systems for solar thermal and thermochemical applications

Wang

Bader³

et al. 2021

Advances in Chemical Engineering

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A 130 kWe solar simulator with tunable ultra-high flux and characterization using direct multiple lamps mapping

Cited by 32 publications

References 54 publications

Development of a High-Flux Solar Simulator for Experimental Testing of High-Temperature Applications

Development of a High-Flux Solar Simulator for Experimental Testing of High-Temperature Applications

An adjustable high‐flux LED solar simulator based on dome structure

Concentrating collector systems for solar thermal and thermochemical applications

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