Renewable Energy, volume 161, pages 265-277

Solar steam generation in fine dispersions of graphite particles

Delov M I 1
Zeynalyan K 1
Struchalin P G 1
Alyaev S
Alyaev Sergey 2
He Y.
He Yurong 3
Balakin B V
Balakin Boris 4, 5
Publication typeJournal Article
Publication date2020-12-01
Journal: Renewable Energy
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.7
ISSN09601481
Renewable Energy, Sustainability and the Environment
Abstract
The direct photothermal boiling in suspensions of nano- and microscopic particles finds multiple applications in concentrated solar power: turbine-based combined heat and power (CHP) generation, solar distillation, energy storage, and chemical synthesis. However, the most promising application is solar desalination. There have been multiple studies aimed at the evaporation of suspensions using simulated solar light, but there is neither a theory describing the process nor a well-documented prototype study. This article aims at the development of an experiment and a theory, that describe the photothermal boiling in aqueous suspensions of graphite. We develop a laboratory scale steam-fluid loop with continuous condensation that recycles the water back to the process. We clarify how the concentration and incident radiant heat influence the steam generation. The optimum concentration of graphite particles - 1 wt% - was found experimentally at 17.4 suns. We studied the granulometry of the suspension and dynamics of steam bubbles. We document how the particle size distribution and bubbles evolve in boiling suspension. The theoretical description of the process is based on a heat balance analysis for an individual steam bubble. The developed model is validated against three independent experimental datasets, exhibiting accuracy with the lowest average discrepancy of 10%.

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Kuzmenkov D. M. et al. Solar steam generation in fine dispersions of graphite particles // Renewable Energy. 2020. Vol. 161. pp. 265-277.
GOST all authors (up to 50) Copy
Kuzmenkov D. M., Delov M. I., Zeynalyan K., Struchalin P. G., Alyaev S., Alyaev S., He Y., He Y., Kutsenko K., Balakin B. V., Balakin B. Solar steam generation in fine dispersions of graphite particles // Renewable Energy. 2020. Vol. 161. pp. 265-277.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.renene.2020.06.108
UR - https://doi.org/10.1016%2Fj.renene.2020.06.108
TI - Solar steam generation in fine dispersions of graphite particles
T2 - Renewable Energy
AU - Kuzmenkov, D M
AU - Delov, M I
AU - Zeynalyan, K
AU - Struchalin, P G
AU - Alyaev, S
AU - He, Y.
AU - Kutsenko, K.V.
AU - Balakin, B V
AU - Alyaev, Sergey
AU - He, Yurong
AU - Balakin, Boris
PY - 2020
DA - 2020/12/01 00:00:00
PB - Elsevier
SP - 265-277
VL - 161
SN - 0960-1481
ER -
BibTex
Cite this
BibTex Copy
@article{2020_Kuzmenkov,
author = {D M Kuzmenkov and M I Delov and K Zeynalyan and P G Struchalin and S Alyaev and Y. He and K.V. Kutsenko and B V Balakin and Sergey Alyaev and Yurong He and Boris Balakin},
title = {Solar steam generation in fine dispersions of graphite particles},
journal = {Renewable Energy},
year = {2020},
volume = {161},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016%2Fj.renene.2020.06.108},
pages = {265--277},
doi = {10.1016/j.renene.2020.06.108}
}
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