A regular wave has the following properties in 50m depth water: wave height: 3.5 m; wave period: 11 sec; wave angle: 30 degrees. Using linear wave theory, estimate the wave height in 6m depth, assuming straight and parallel depth contours.
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A regular wave has the following properties in 50m depth water:
- wave height: 3.5 m; wave period: 11 sec; wave angle: 30 degrees.
Using linear wave theory, estimate the wave height in 6m depth, assuming straight and parallel depth contours.
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- 1. A storm generates wind waves in a bay. The water depth in the bay is 20 m. The fetch length and storm duration are 20 km and 4 hours, respectively. The wind speed is 20 m/s. Assume deep water to simplify your calculations. (a) Estimate the spectral significant wave height H and the spectral peak period T. (b) Are these wind waves fully developed? (c) Are these wind waves fetch-limited or duration-limited? (d) Is the assumption of deep water appropriate?The maximum horizontal acceleration of water-wave particles occurs at (crest, trough, crossing point) The wave energy (power) is transferred with (celerity, phase velocity, particle velocity, group velocity). Among various wave-power-take-off system, (OWC, linear generator, hydraulic generator) uses bi- directional air flows.Consider a linear sinusoidal water wave with wave length 140m and 3-m wave height at 30m water depth. (use sea-water density=1025kg/m³) (a) Find the amplitude of vertical particle velocity at 6m below the mean water level.
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- In a seismic survey, an air wave can be best described asa. A wave that travels through the airb. A compression wave that travels through the air in the pore spaces in the rockc. A direct, compression wave that travels from the source to the geophones through the aird. All of the aboveIn Figure (a), string 1 has a linear density of 1.49 g/m, and string 2 has a linear density of 4.83 g/m. They are under tension due to the hanging block of mass M = 381 g. Calculate the wave speed on (a) string 1 and (b) string 2. (Hint: When a string loops halfway around a pulley, it pulls on the pulley with a net force that is twice the tension in the string.) Next the block is divided into two blocks (with M1 + M2 = M) and the apparatus is rearranged as shown in Figure (b). Find (c) M1 and (d) M2 such that the wave speeds in the two strings are equal. - String 1 String 2 Knot (a) - String 1 String 2 M2 (b) (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units > > >I need it solved Consider a linear sinusoidal water wave with wave length 140m and 3-m wave height at 30m water depth. (use sea-water density=1025kg/m³). (a) Find the maximum value of total pressure (hydrostatic + hydrodynamic) that can be measured by a pressure sensor at 6m below the mean water level. (b) Find the amplitude of vertical particle velocity at 6m below the mean water level.