Energy and exergy analysis of BN-06 wellhead geothermal power plant in province of Biliran, Philippines

Maria Zhahata Geraldinne Malana, Ariel Fronda, Saied Jalilinasrabady, Alvin Kiprono

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

1 被引用数 (Scopus)

抄録

Biliran I Geothermal Project is one of the promising yet undeveloped intermediate-enthalpy geothermal resource in the Philippines. There were already drilled wells in the project site and in this paper, Well BN-06D was selected to evaluate its maximum power generation through exergy analysis. Exergy analysis is a tool which analyzes geothermal power plants from the optimum perspective of produced energy and it delivers sensible values for decision makers. Moreover, combined single flash-binary cycle has been chosen to utilize the power output capacity. Wellbore output measurements from the successful Fluid Management System (FMS) and mathematical models, were applied in Engineers Equation Solver (EES). Assumptions and simplifications were also considered. The energy efficiency from the combined single flash-binary cycle was calculated at 10.77%. Further, the exergy efficiency from the single flash and waste brine were calculated at 37.87% and 31.83%, respectively. By using binary cycle, the waste brine was utilized, and the exergy efficiency was increased to 37.90%. The large exergy destruction in the systems happened in condenser under single flash cycle (22%), pre-heater under binary cycle (15%) and both turbines; (9.8% in binary & 8% in single flash). A Grassmann diagrams were also illustrated to further visualize the process of the overall exergy flow in each system.

本文言語英語
ホスト出版物のタイトルGeothermal Resources Council Virtual Annual Meeting and Expo, GRC 2020
ホスト出版物のサブタイトルClean, Renewable and Always On
出版社Geothermal Resources Council
ページ1003-1017
ページ数15
ISBN(電子版)9781713822097
出版ステータス出版済み - 2020
イベントGeothermal Resources Council Virtual Annual Meeting and Expo: Clean, Renewable and Always On, GRC 2020 - Virtual, Online
継続期間: 10 19 202010 23 2020

出版物シリーズ

名前Transactions - Geothermal Resources Council
44
ISSN(印刷版)0193-5933

会議

会議Geothermal Resources Council Virtual Annual Meeting and Expo: Clean, Renewable and Always On, GRC 2020
CityVirtual, Online
Period10/19/2010/23/20

All Science Journal Classification (ASJC) codes

  • 再生可能エネルギー、持続可能性、環境
  • エネルギー工学および電力技術
  • 地球物理学

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