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My application is gas blowdown to HP Flare header. There will be an RO to be installed downstream of the BDV. Based on process data, I have calculated that the PWL, i.e. noise inside the pipe, is about 168 dB. My main concern is SPL at 1 m from the pipe wall. How to convert the PWL at source to SPL at 1 m? If the SPL at 1 m is more than 90 dB, I will need to use low noise/multistage RO. If that is the case, I will also need to determine the correct pipe size to be used.
Thanking in advance.
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