International Journal of Maritime Technology
International Journal of Maritime Technology
ijmt
Engineering & Technology
http://ijmt.ir
1
admin
2345-6000
2476-5333
10.29252/ijmt
en
jalali
1400
2
1
gregorian
2021
5
1
16
Summer and Fall 2021
online
1
fulltext
en
Determination of the power resonant frequency of an OWC converter based on the RLC circuit analytical approach
Offshore Hydrodynamic
مقاله پژوهشي
Research Paper
<div style="text-align: justify;"><span style="font-size:11.0pt"><span new="" roman="" style="font-family:" times="">The oscillating water column is one of the most applicable and commercialized wave energy converters. There are some analytical-based simplified approaches like the rigid piston model for analyzing such converters in which the dynamic motion's damping, inertia, and stiffness are respectively modeled with a resistor, inductor, and capacitor (an RLC circuit). The power resonant frequency of wave energy converters is computed by solving the motion equation via its equivalent RLC circuit model. The free decay test is the other simple method for determining the resonant frequency and has been investigated experimentally. However, a comprehensive study is required. In this investigation, first, the effect of parameters like pressure, flow rate, and their phase difference on power resonant frequency, capture factor, etc., are conceptually investigated. Then, the relation between resonant frequency and free decay test frequency is studied for different chamber sizes. The results indicate that the free decay test frequency is generally close to the power resonant frequency.</span></span></div>
Wave energy converter,oscillating water column,power resonant frequency,free decay test,phase difference,RLC circuit
93
105
http://ijmt.ir/browse.php?a_code=A-10-1184-1&slc_lang=en&sid=1
Abuzar
Abazari
abuzarabazari@cmu.ac.ir
`10031947532846003884`

10031947532846003884
Yes
Chabahar Maritime University
Mohammad Reza
Zareei
mrzarei@cmu.ac.ir
`10031947532846003885`

10031947532846003885
No
Chabahar Maritime University
Saleheh
Poursheikhali
s.poursheikhali@cmu.ac.ir
`10031947532846003886`

10031947532846003886
No
Chabahar Maritime University