10-18. Two oil-fired boilers for a 600 megawatt (MW) power plant produce a sound power level of 139 dB (re: 10-¹2 W) at 4,000 Hz, from the induced draft fans. Determine the sound pressure level 408.0 m downwind on a clear winter night when the wind speed is 4.50 m/s, the temperature is 0.0°C, the relative humidity is 30.0 percent, and the barometric pressure is 101.3 kPa. The height of the boiler is 12 m. The height of the receiver is 1.5 m. The ground surface characteristics are shown in Figure P-10-18.

10-18. Two oil-fired boilers for a 600 megawatt (MW) power plant produce a sound power level of 139 dB (re: 10-¹2 W) at 4,000 Hz, from the induced draft fans. Determine the sound pressure level 408.0 m downwind on a clear winter night when the wind speed is 4.50 m/s, the temperature is 0.0°C, the relative humidity is 30.0 percent, and the barometric pressure is 101.3 kPa. The height of the boiler is 12 m. The height of the receiver is 1.5 m. The ground surface characteristics are shown in Figure P-10-18.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Exercise 1.2m A 18m 12m с B Reference level SIPHON -D 40mm mm 25mm( E Calculate and pressure (p) at B, C, D, E