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Solar heat driven water circulation and aeration system for aquaculture

Sergei Gusev UGent, Davide Ziviani UGent and Martijn van den Broek UGent (2017)
abstract
The proposed design concept of water aeration and updraft circulation in aquaculture is based on the Organic Rankine Cycle (ORC) technology and uses a solar energy absorbed by a floating collector. The pressure required for the aerator is created by evaporating a working fluid and optimized for an average depth of a pond. The working pressure is defined by the maximum achievable temperature of the working fluid. The condensing heat is rejected at a certain depth with the lowest temperature and drives the convective circulation. A prototype is designed by using common materials and off-the-shelf components to ensure maintenance-free and proper capacity to fulfil the needs of an average or a small aquaculture farm: the working fluid in the working chamber evaporates increasing in volume and pumping air out of the vessel as well as the expanded working fluid in the second working chamber. The working fluid is cooled down in the condenser which is submerged into the pond and it is condensed while decreasing in volume. The new design can perform multiple cycles per day increasing the volume of pumped air. In order to make the operation of this unit possible during the night, a heat buffer with a phase changing material (PCM) is used. A parametric study of suitable working fluids and PCMs has been performed in order to select the most appropriate combination for the target applications.
Please use this url to cite or link to this publication:
author
organization
year
type
conference (other)
publication status
published
conference name
30th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems.
conference organizer
San Diego State University
conference location
San Diego, USA
conference start
2017-07-02
conference end
2017-07-06
language
English
UGent publication?
yes
classification
C1
id
8527260
handle
http://hdl.handle.net/1854/LU-8527260
alternative location
http://www.ecosconference.org/
date created
2017-07-17 17:40:40
date last changed
2017-07-26 06:39:24
@inproceedings{8527260,
  abstract     = {The proposed design concept of water aeration and updraft circulation in aquaculture is based on the Organic
Rankine Cycle (ORC) technology and uses a solar energy absorbed by a floating collector. The pressure
required for the aerator is created by evaporating a working fluid and optimized for an average depth of a pond.
The working pressure is defined by the maximum achievable temperature of the working fluid. The condensing
heat is rejected at a certain depth with the lowest temperature and drives the convective circulation.
A prototype is designed by using common materials and off-the-shelf components to ensure maintenance-free
and proper capacity to fulfil the needs of an average or a small aquaculture farm: the working fluid in the
working chamber evaporates increasing in volume and pumping air out of the vessel as well as the expanded
working fluid in the second working chamber. The working fluid is cooled down in the condenser which is
submerged into the pond and it is condensed while decreasing in volume.
The new design can perform multiple cycles per day increasing the volume of pumped air. In order to make
the operation of this unit possible during the night, a heat buffer with a phase changing material (PCM) is used.
A parametric study of suitable working fluids and PCMs has been performed in order to select the most
appropriate combination for the target applications.
},
  author       = {Gusev, Sergei and Ziviani, Davide and van den Broek, Martijn},
  language     = {eng},
  location     = {San Diego, USA},
  title        = {Solar heat driven water circulation and aeration system for aquaculture},
  url          = {http://www.ecosconference.org/},
  year         = {2017},
}

Chicago
Gusev, Sergei, Davide Ziviani, and Martijn van den Broek. 2017. “Solar Heat Driven Water Circulation and Aeration System for Aquaculture.” In .
APA
Gusev, S., Ziviani, D., & van den Broek, M. (2017). Solar heat driven water circulation and aeration system for aquaculture. Presented at the 30th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems.
Vancouver
1.
Gusev S, Ziviani D, van den Broek M. Solar heat driven water circulation and aeration system for aquaculture. 2017.
MLA
Gusev, Sergei, Davide Ziviani, and Martijn van den Broek. “Solar Heat Driven Water Circulation and Aeration System for Aquaculture.” 2017. Print.