Abstract
This paper considers the construction of a static model for the power generation of an ocean thermal energy conversion (OTEC) plant using Uehara cycle. The model is constructed based on experimental data obtained from an actual experimental OTEC plant. In this paper, two kinds of static models are proposed. In both models, the relations among significant quantities are represented by polynomials. The polynomials are determined via least squares for experimental data, and the orders of polynomial which minimize the integral of absolute error between experimental data and simulation results of power generation are adopted. The usefulness and limitations of the proposed models are evaluated by simulation results.
Highlights
Ocean thermal energy conversion (OTEC) [1] is one of the power generation methods which bring renewable energy
In order to evaluate the usefulness and limitation of the proposed methodology, models were constructed based on experimental data obtained from the OTEC experimental plant using Uehara cycle at IOES and simulations by the models were conducted
Since the proposed models for the power generation of OTEC plant using Uehara cycle are constructed based on experimental data, the power generation of the actual experimental plant considered in this paper can be evaluated by the proposed model
Summary
Ocean thermal energy conversion (OTEC) [1] is one of the power generation methods which bring renewable energy. In [6], an experimental study of spray flash evaporation for an OTEC plant using an integrated hybrid OTEC cycle and desalination was conducted. For the practical development of OTEC technology, some researches on the oceanic and potential investigations for the OTEC plant construction [8,9,10,11,12,13,14,15,16], cycles and heat exchangers [17,18,19,20,21,22,23,24], at-sea experiments [25], and so on have been conducted. In [20], a transient model of OTEC plant using Rankine cycle was constructed through experimental investigations. In [23], the controller design for vapor temperatures of OTEC plant using Rankine cycle was considered based on a reduced order model. In [25], at-sea experiments of an OTEC experimental facility in Toyama Bay were carried out
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