Micro-tubular turbines are compact hydroelectric devices engineered to generate electricity from submerging in flowing water, providing a sustainable energy solution for farms with access to streams, rivers, or irrigation canals. These turbines enable off-grid energy generation, allowing farms to maintain large areas efficiently and independently of grid power. Each turbine comprises a cross-flow propeller enclosed in a tube and connected to a generator, making it a cost-effective method for harnessing electricity from low-head water sources. This study examines the application of micro-tubular turbines in water sources with heads ranging from 0.2 to 2 meters, assessing their performance under these specific conditions. To optimize turbine efficiency and power output, Computational Fluid Dynamics (CFD) modeling techniques are applied to refine turbine blade designs. CFD simulations analyze fluid flow dynamics around the blades, facilitating the identification of optimal blade geometry and operating parameters for low-pressure environments. These optimizations ensure the turbine can effectively match specific range of water flow rates and head levels, enhancing energy efficiency. Micro-tubular turbines' compact size simplifies installation across varied farm sizes, with flexible placement options directly in water sources or on platforms above. Minimal maintenance needs and extended lifespan make them a cost-effective, environmentally friendly investment for farmers, significantly reducing energy costs and carbon emissions.
Othman et al. (Fri,) studied this question.
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