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Presented By (Ms. Arundhuti Banerjee )

TFAWS Interdisciplinary Paper Session. Application of Active Heat Exchanger Systems for Energy Extraction from Oceanic Crust ) Indian institute of Technology (IIT ) Delhi. Presented By (Ms. Arundhuti Banerjee ). Thermal & Fluids Analysis Workshop TFAWS 2016 August 1 - 5, 2016

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Presented By (Ms. Arundhuti Banerjee )

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  1. TFAWS Interdisciplinary Paper Session Application of Active Heat Exchanger Systems for Energy Extraction from Oceanic Crust) Indian institute of Technology (IIT) Delhi Presented By(Ms. ArundhutiBanerjee) Thermal & Fluids Analysis WorkshopTFAWS 2016August 1 - 5, 2016 NASA Ames Research Center San-Jose, California

  2. Slide Title 1. The World Energy Scenario 2. Offshore-Geothermal Energy 3. Finite element modeling 4. Load - Analysis 4. Conclusion TFAWS 2016 – August 1 -5, 2016

  3. World Energy Scenario TFAWS 2016 – August 1-5, 2016

  4. Offshore-Geothermal Energy Geothermal energy -Renewable and sustainable power source that comes from the heat generated by the earth -Harnessed in areas of volcanic activity -Electricity generating potential of geothermal energy vary from 35 to 2,000 GW Ring of fire zone Geothermal heat extraction process

  5. Offshore-Geothermal Energy Geothermal gradient is the rate of increasing temperature with respect to increasing depth is about 25 °C per km of depth in continental crust and mean heat flow is 65 MW/m2 whereas 35 °C per km of depth in oceanic crust with 101 MW/m2 of heat flow Mid-ocean ridges More concentrated in areas where thermal energy is transported toward the crust bymid-ocean ridges.

  6. Offshore-Geothermal Energy Mid-ocean ridges TFAWS 2016 – August 1-5, 2016

  7. Offshore-Geothermal Energy TFAWS 2016 – August 1-5, 2016

  8. Offshore-Geothermal Energy TFAWS 2016 – August 1-5, 2016

  9. Offshore-Geothermal Energy • Stresses due to: Wind-Wave-Thermal loading • Response of the structure to • random loading • thermal loading • Soil structure interaction • Fluid structure interaction • Soil fluid structure interaction Thermal loading at steel pile boundary nodes Contact elements at the pile-soil interface

  10. Offshore-Geothermal Energy • Heat Transfer Concepts • Conduction • Convection • Radiation TFAWS 2016 – August 1-5, 2016

  11. Finite Element modelling Fluid 116 Element Steel Pile Soil Domain Spring and Dampers (Infinite Domain) Convection Film TFAWS 2016 – August 1-5, 2016

  12. Load - Analysis • Flowchart of the Analysis TFAWS 2016 – August 1-5, 2016

  13. Load - Analysis Top Structure (Offshore Wind Turbine) TFAWS 2016 – August 1-5, 2016

  14. Load - Analysis Random Wind and Wave Excitation TFAWS 2016 – August 1-5, 2016

  15. Load - Analysis Thermal Steady State Analysis 2000 C 3000 C Fluid Flow Rate: Convection Film: TFAWS 2016 – August 1-5, 2016

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