Tidal Bore Dynamics of a Mixed Estuary: The Hooghly River, India

Biswas, Tirtha Roy; Sen, Debabrata

doi:10.1061/(asce)ww.1943-5460.0000730

Cited by 2 publications

(1 citation statement)

References 25 publications

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“…Graber (2012b) states, citing references, that channel friction retards formation of the bore and notes some controversy in that regard. Roy-Biswas and Sen [35] confirm that "in estuaries with high frictional resistance, the tidal range should be higher for the bore to form." 0 (-) 0 (+)…”

Section: Experimental Testsmentioning

confidence: 94%

Thermodynamic Concepts in Civil Engineering

2023

Univers. J. Civ. Eng.

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Thermodynamics is not always done well or usefully brought to bear in civil engineering. This paper addresses historical aspects of misunderstandings of thermodynamic concepts; applies the Second Law of Thermodynamics to applications including shock waves in compressible fluid flow, the tidal bore, spillway flow , and junction flow. Additional applications of thermodynamics in civil engineering are discussed. These include deriving hydraulic transient wave celerities for waterhammer analyses; the First Law of Thermodynamics for a closed system and for a control volume; one-dimensional flow, energy loss due to friction; parallel incompressible flow; application of the control volume to a pressure conduit; the modified Bernoulli equation; tees with small inflow and outflow branches; isentropic flow of a perfect gas and its application to flow metering, determination of choked flow conditions, and determination of the shaft power required to drive a blower.

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Section: Experimental Testsmentioning

confidence: 94%

Thermodynamic Concepts in Civil Engineering

2023

Univers. J. Civ. Eng.

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A state-of-the-art review of normal and extreme flow interaction with spur dikes and its failure mechanism

Nandhini,

Murali,

Harish

et al. 2024

Physics of Fluids

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River protection structures, especially spur dikes, play a vital role in the hydrodynamic and morphological changes in a river system. Since the earliest days, numerous studies have been carried out to understand the flow characteristics around spur dikes by varying the spacing between them, the length, the shape, the permeability, and the submergence. Despite several studies, knowledge of flow characteristics around spur dikes is still poorly understood, resulting in damages and failures worldwide. Furthermore, such failures get aggravated under extreme conditions like floods, land-slide-induced surges and tidal bores. Therefore, this state-of-the-art review paper provides a comprehensive account of relevant studies on the flow interaction and its characteristics in the vicinity of spur dikes during normal and extreme scenarios. Possible failure mechanisms with a detailed examination of scour in the proximity of spur dikes are deliberated. Suitable design features and international standards of various types of spur dikes are appraised through this comprehensive review. Furthermore, we also identified a number of research gaps that need immediate attention. This review paper, as a whole, provides concrete knowledge of the flow interaction with spur dikes and design components of spur dikes, thereby helping researchers to understand the advancement in the research area and providing hydraulic engineers with guidance for designing the spur field at a specific site based on the requirements.

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Tidal Bore Dynamics of a Mixed Estuary: The Hooghly River, India

Cited by 2 publications

References 25 publications

Thermodynamic Concepts in Civil Engineering

Thermodynamic Concepts in Civil Engineering

A state-of-the-art review of normal and extreme flow interaction with spur dikes and its failure mechanism

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