பழந்தமிழரின் குமிழித்தூம்பும் இயற்பியல் விதிகளும் – ஓர் விரிவான அறிவியல் மற்றும் வரலாற்று ஆய்வு
The Kumizhi Thoombu of Ancient Tamils and Laws of Physics – A Comprehensive Scientific and Historical Study
DOI:
https://doi.org/10.63300/tm12022026.21Keywords:
Holy Shrine, Traditional Knowledge, Devarayanpettai, Machapureeswarar, Chola Architecture, Tevara Vaipputhalam, Heritage ConservationAbstract
The water management techniques of the ancient Tamils hold a highly exalted place in the history of world civilizations. The 'Kumizhi Thoombu' (Silt-Ejecting Sluice) used in lakes stands as a prime testament to the unparalleled engineering knowledge possessed by the ancient Tamils in rainwater harvesting, groundwater conservation, and systematic irrigation water distribution.
This research paper explores the structure, operational mechanism, and socio-cultural background of the Kumizhi Thoombu, while providing a detailed analysis of the laws of physics manifested within it. This paper establishes how modern fluid dynamics principles—such as hydrostatic pressure, Pascal's law, Bernoulli's principle, the equation of continuity, and the Venturi effect—were utilized in this structure. Furthermore, it examines the ecological cycle of how this technology suctioned and removed the sediment (silt) from the bottom of the lake, transporting it to agricultural lands as nutrient-rich natural fertilizer.
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