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Volume 11
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10.3390/w11091860
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Article

A Thermal Model for Predicting the Performance of a Solar Still with Fresnel Lens

by
Ana Johnson
1,
Lei Mu
1,
Young Ho Park
1,
Delia J. Valles
2,
Huiyao Wang
3,
Pei Xu
3,
Krishna Kota
1 and
Sarada Kuravi
1,*
1
Department of Mechanical and Aerospace Engineering, New Mexico State University, Las Cruces, NM 88003, USA
2
Department of Industrial Engineering, New Mexico State University, Las Cruces, NM 88003, USA
3
Department of Civil Engineering, New Mexico State University, Las Cruces, NM 88003, USA
*
Author to whom correspondence should be addressed.
Water 2019, 11(9), 1860; https://doi.org/10.3390/w11091860
Submission received: 2 August 2019 / Revised: 3 September 2019 / Accepted: 4 September 2019 / Published: 7 September 2019
(This article belongs to the Section Wastewater Treatment and Reuse)
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Abstract

This study presents a theoretical model to simulate the temperatures and productivity of a single-slope, single-basin solar still when an external solar enhancement is used. Experiments were performed in the New Mexico region (32.3199° N, 106.7637° W) to validate the numerical model. A point focusing Fresnel lens was used in the experiments to enhance the solar input. It was found that a significant rise in the productivity of the still was achieved with the Fresnel lens. Parametric study by varying the water depth showed the Fresnel lens was more effective for larger water depths. In addition, the Fresnel lens can aid in improving the overall efficiency of the solar still.
Keywords: solar still; insolation; distillation; single-slope still; Fresnel lens; solar enhancement; desalination; productivity enhancement solar still; insolation; distillation; single-slope still; Fresnel lens; solar enhancement; desalination; productivity enhancement

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MDPI and ACS Style

Johnson, A.; Mu, L.; Park, Y.H.; Valles, D.J.; Wang, H.; Xu, P.; Kota, K.; Kuravi, S. A Thermal Model for Predicting the Performance of a Solar Still with Fresnel Lens. Water 2019, 11, 1860. https://doi.org/10.3390/w11091860

AMA Style

Johnson A, Mu L, Park YH, Valles DJ, Wang H, Xu P, Kota K, Kuravi S. A Thermal Model for Predicting the Performance of a Solar Still with Fresnel Lens. Water. 2019; 11(9):1860. https://doi.org/10.3390/w11091860

Chicago/Turabian Style

Johnson, Ana, Lei Mu, Young Ho Park, Delia J. Valles, Huiyao Wang, Pei Xu, Krishna Kota, and Sarada Kuravi. 2019. "A Thermal Model for Predicting the Performance of a Solar Still with Fresnel Lens" Water 11, no. 9: 1860. https://doi.org/10.3390/w11091860

APA Style

Johnson, A., Mu, L., Park, Y. H., Valles, D. J., Wang, H., Xu, P., Kota, K., & Kuravi, S. (2019). A Thermal Model for Predicting the Performance of a Solar Still with Fresnel Lens. Water, 11(9), 1860. https://doi.org/10.3390/w11091860

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