Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis

Energy harvesting from the ocean called 'blue energy' began in the 1970's and should have reached its peak by today, but due to varying interests in the field and the growing potentials of other sources, its development was delayed. Recently, it receives more interest and a number of...

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Main Authors: Md Hasan, K.N., Khai, T.X., Kannan, R., Zakaria, Z.A.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19969 /
Published: EDP Sciences 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85033224325&doi=10.1051%2fmatecconf%2f201713104013&partnerID=40&md5=312e0d7dc6dd450ad6f8dc870b04f94e
http://eprints.utp.edu.my/19969/
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spelling utp-eprints.199692018-04-22T14:28:19Z Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis Md Hasan, K.N. Khai, T.X. Kannan, R. Zakaria, Z.A. Energy harvesting from the ocean called 'blue energy' began in the 1970's and should have reached its peak by today, but due to varying interests in the field and the growing potentials of other sources, its development was delayed. Recently, it receives more interest and a number of institutes has deployed their pilot plant. Blue energy is a type of renewable energy based on salinity gradient where power is generated from different salt concentration in saltwater (the ocean) and freshwater (river). When the mixing of seawater and freshwater occurs, an increase in the entropy of this system is observed and free energy is dissipated. This research aims to identify and compare existing techniques or methods of blue energy harvesting developed over time. Five different techniques were reviewed, looking at their principle of operation, configuration and performance. Based on the review, capacitive mixing method was selected for further analysis. Experiment was conducted to evaluate different factor including the concentration of sea water, volumes and type of electrodes. The highest output power obtained is 89.7 mW, while the average is about 30 mW. © The authors, published by EDP Sciences, 2017. EDP Sciences 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85033224325&doi=10.1051%2fmatecconf%2f201713104013&partnerID=40&md5=312e0d7dc6dd450ad6f8dc870b04f94e Md Hasan, K.N. and Khai, T.X. and Kannan, R. and Zakaria, Z.A. (2017) Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis. MATEC Web of Conferences, 131 . http://eprints.utp.edu.my/19969/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Energy harvesting from the ocean called 'blue energy' began in the 1970's and should have reached its peak by today, but due to varying interests in the field and the growing potentials of other sources, its development was delayed. Recently, it receives more interest and a number of institutes has deployed their pilot plant. Blue energy is a type of renewable energy based on salinity gradient where power is generated from different salt concentration in saltwater (the ocean) and freshwater (river). When the mixing of seawater and freshwater occurs, an increase in the entropy of this system is observed and free energy is dissipated. This research aims to identify and compare existing techniques or methods of blue energy harvesting developed over time. Five different techniques were reviewed, looking at their principle of operation, configuration and performance. Based on the review, capacitive mixing method was selected for further analysis. Experiment was conducted to evaluate different factor including the concentration of sea water, volumes and type of electrodes. The highest output power obtained is 89.7 mW, while the average is about 30 mW. © The authors, published by EDP Sciences, 2017.
format Article
author Md Hasan, K.N.
Khai, T.X.
Kannan, R.
Zakaria, Z.A.
spellingShingle Md Hasan, K.N.
Khai, T.X.
Kannan, R.
Zakaria, Z.A.
Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis
author_sort Md Hasan, K.N.
title Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis
title_short Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis
title_full Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis
title_fullStr Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis
title_full_unstemmed Harnessing 'Blue energy': A Review on Techniques and Preliminary Analysis
title_sort harnessing 'blue energy': a review on techniques and preliminary analysis
publisher EDP Sciences
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85033224325&doi=10.1051%2fmatecconf%2f201713104013&partnerID=40&md5=312e0d7dc6dd450ad6f8dc870b04f94e
http://eprints.utp.edu.my/19969/
_version_ 1741196294096945152
score 11.62408

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