Towards a Standard for Vessel URN Measurement in Shallow Water
2021/07/08 — developing standard 17208-3 for the measurement of vessel underwater radiated noise (URN) in shallow water. Measurements in shallow water are ...
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2014/04/21 — These are already some standards for the ship URN measurement, but they suffer ... from sea bottom in case of shallow water measurement, ...
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MA Ainslie 著2022 — oping ISO 17208-3, intended as a URN measurement standard for shallow water (Table 1). 2.3. Quiet ship certification procedures. URN measurement methods are ...
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Towards a Standard for Vessel URN Measurement in Shallow Water (PDF) ... for the measurement of vessel underwater radiated noise (URN) in shallow water.
Vice Admiral Jorge Enrique Carreño Moreno、 Adan Vega Saenz、 Luis Carral Couce — 2020Technology & Engineering
This standard is applicable to measure the levels of underwater radiated ... it is not an appropriated tool for the measurement of URN in shallow waters.
Michel André、 Zissis Samaras — 2016Science
This URN measurement standard is thought to carry out measurements of underwater sound pressure in the far field and deep waters (to avoid reflections).
United States. Public Health Service. Division of Sanitary Engineering Services — 1954Ratproof construction
A direct connection of the potable - water system to a coffee urn or to the top ... The waste opening and pipe should be of sufficient size to carry off the ...
J. Buiten — 2012Science
The reference standard for structureborne noise measurements was ... and measurements to be read at all the points of attachment to the vessel's structure.
Samuel Lewis — 1851Scotland
An urn of Roman bronze , and a small battle - axe , were The town is romantically ... to that village . length , is a depth of nineteen feet at low water .