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Parametric Analysis of Ship Squat in Shallow Water by Model Test

Hamid Zeraatgar ; Amirkabir University of Technology, Tehran, Iran
Karim Akbari Vakilabadi ; Amirkabir University of Technology, Tehran, Iran
R Yousefnejad ; Amirkabir University of Technology, Tehran, Iran

Puni tekst: engleski, pdf (412 KB) str. 37-43 preuzimanja: 1.311* citiraj
APA 6th Edition
Zeraatgar, H., Akbari Vakilabadi, K. i Yousefnejad, R. (2011). Parametric Analysis of Ship Squat in Shallow Water by Model Test. Brodogradnja, 62 (1), 37-43. Preuzeto s https://hrcak.srce.hr/67308
MLA 8th Edition
Zeraatgar, Hamid, et al. "Parametric Analysis of Ship Squat in Shallow Water by Model Test." Brodogradnja, vol. 62, br. 1, 2011, str. 37-43. https://hrcak.srce.hr/67308. Citirano 07.12.2021.
Chicago 17th Edition
Zeraatgar, Hamid, Karim Akbari Vakilabadi i R Yousefnejad. "Parametric Analysis of Ship Squat in Shallow Water by Model Test." Brodogradnja 62, br. 1 (2011): 37-43. https://hrcak.srce.hr/67308
Harvard
Zeraatgar, H., Akbari Vakilabadi, K., i Yousefnejad, R. (2011). 'Parametric Analysis of Ship Squat in Shallow Water by Model Test', Brodogradnja, 62(1), str. 37-43. Preuzeto s: https://hrcak.srce.hr/67308 (Datum pristupa: 07.12.2021.)
Vancouver
Zeraatgar H, Akbari Vakilabadi K, Yousefnejad R. Parametric Analysis of Ship Squat in Shallow Water by Model Test. Brodogradnja [Internet]. 2011 [pristupljeno 07.12.2021.];62(1):37-43. Dostupno na: https://hrcak.srce.hr/67308
IEEE
H. Zeraatgar, K. Akbari Vakilabadi i R. Yousefnejad, "Parametric Analysis of Ship Squat in Shallow Water by Model Test", Brodogradnja, vol.62, br. 1, str. 37-43, 2011. [Online]. Dostupno na: https://hrcak.srce.hr/67308. [Citirano: 07.12.2021.]

Sažetak
Reduction of distance between the ship fl oor and the seabed when a ship is moving forward is called squat. Squat causes grounding of the ship that may result in severe damage to the ship and in extreme cases may lead to complete loss of port or channel capabilities. If a ship moves in the shallow waters then the velocity of the fl uid fl ow at the bottom of the ship increases and the pressure decreases which in turn leads to the decrease of buoyancy force and the increase of the ship draught. The purpose of the presented research was to determine the squat for vessels
with the Series-60 hull forms in various depths by experimental methods. For this reason, a set of facilities for testing the ship movement in shallow waters were prepared and then the measurement tools were calibrated. A series of models of the vessel were manufactured and many tests were
carried out. Disregarding the non-acceptable data, the test results were analyzed in various depths and draughts. To generalize the test results, some new non-dimensional squat parameters were introduced. The examination of the test data through regression analysis resulted in an empirical equation for ship squat as a function of ship parameters as well as depth of the water.

Ključne riječi
ship squat; shallow water; canal,; experimental method; physical model test

Hrčak ID: 67308

URI
https://hrcak.srce.hr/67308

Posjeta: 1.712 *