ELECTRONIC INSTRUMENTATION FOR SUBMARINE AUXILIARY MACHINERY NOISE AND VIBRATION CONTROL
Abstract
A study was made of noisy machinery which is an undesirable source of acoustic radiation and vibration. Waterborne acoustic radiation greatly increases the detectable range. With increasing demands for quiet performance by the Thresher AND Tullibee class of submarines, and even more stringent requirements of the SSB(N)'s, quality control work in repair shops has become a must. Inspection and evaluation of the rotating machinery overhaul work done by forces afloat now have to meet recommended prescribed noise and vibration limits. These recommended prescribed limits, measured in acceleration, velocity and displacement decibels and obtained by electronic instrumentation measurements, are called the Chapman numbers, an accepted guide and standard for submarine auxiliary machinery performance, relative to rotational balance and noise levels. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1961
- Accession Number
- AD0268448
Entities
People
- Robert York Chapman