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This chapter delivers a thorough examination of computational fluid dynamics (CFDComputational Fluid Dynamics (CFD)) tools employed in the design, refinement, and operational planning of oscillating water column (OWCOscillating Water Column (OWC)) converters, presented as the exemplar technology for broader marine renewable energyRenewable energy applications. While OWCsOscillating Water Column (OWC) form the central focus, the discussions draw wider implications for CFDComputational Fluid Dynamics (CFD) practice across renewable energy systemsRenewable energy systems. Starting with the governing equations for multiphase flows and sophisticated turbulence closures, it elaborates on numerical techniques for free-surface tracking, boundary-condition prescription, and synthetic wave field generation. Benchmarking studies contrasting boundary element and CFDComputational Fluid Dynamics (CFD) methodologies confirm the latter’s capability to resolve nonlinear wave breaking, air–water flow coupling, and chamber resonance phenomena with greater fidelity. Particular emphasis is placed on domain configuration, adaptive mesh refinement, and the integration of CFDComputational Fluid Dynamics (CFD) with structural dynamics for durability and reliability analysis, supported by evaluations of prominent solvers such as OpenFOAM, ANSYS Fluent, and STAR-CCM + . Performance indicators, including the capture width index and pneumatic efficiency, are scrutinized through detailed simulations of both fixed and floating OWCOscillating Water Column (OWC) architectures. Anticipated developments underscore the convergence of machine learningMachine learning, digital twin frameworks, and distributed high-performance computing, aimed at compressing solution times and enabling CFDComputational Fluid Dynamics (CFD) to inform real-time operational decision-making. Collectively, the chapter reaffirms CFDComputational Fluid Dynamics (CFD)’s critical role in accelerating OWCOscillating Water Column (OWC) technology maturation while also contributing lessons applicable to the broader rollout of marine renewable systems for global decarbonization.

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Computational Fluid Dynamics in Renewable Energy

  • 章节

  • 发表日期：

    2026年

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  • Sampath Emani,
  • Gurunadh Velidi,
  • Pankaj Borah

摘要

This chapter delivers a thorough examination of computational fluid dynamics (CFDComputational Fluid Dynamics (CFD)) tools employed in the design, refinement, and operational planning of oscillating water column (OWCOscillating Water Column (OWC)) converters, presented as the exemplar technology for broader marine renewable energyRenewable energy applications. While OWCsOscillating Water Column (OWC) form the central focus, the discussions draw wider implications for CFDComputational Fluid Dynamics (CFD) practice across renewable energy systemsRenewable energy systems. Starting with the governing equations for multiphase flows and sophisticated turbulence closures, it elaborates on numerical techniques for free-surface tracking, boundary-condition prescription, and synthetic wave field generation. Benchmarking studies contrasting boundary element and CFDComputational Fluid Dynamics (CFD) methodologies confirm the latter’s capability to resolve nonlinear wave breaking, air–water flow coupling, and chamber resonance phenomena with greater fidelity. Particular emphasis is placed on domain configuration, adaptive mesh refinement, and the integration of CFDComputational Fluid Dynamics (CFD) with structural dynamics for durability and reliability analysis, supported by evaluations of prominent solvers such as OpenFOAM, ANSYS Fluent, and STAR-CCM + . Performance indicators, including the capture width index and pneumatic efficiency, are scrutinized through detailed simulations of both fixed and floating OWCOscillating Water Column (OWC) architectures. Anticipated developments underscore the convergence of machine learningMachine learning, digital twin frameworks, and distributed high-performance computing, aimed at compressing solution times and enabling CFDComputational Fluid Dynamics (CFD) to inform real-time operational decision-making. Collectively, the chapter reaffirms CFDComputational Fluid Dynamics (CFD)’s critical role in accelerating OWCOscillating Water Column (OWC) technology maturation while also contributing lessons applicable to the broader rollout of marine renewable systems for global decarbonization.