The design of a turbocharger test stand using high pressure compressed air is discussed in this paper. The turbocharger test stand will be used mainly for bearing testing and turbocharger shaft vibration measurement. The purpose of these measurements is to discover a bearing design that will increase the vibration stability of the turbocharger and reduce the amount of oil leakage past the shaft seals. This will ultimately reduce emissions and upkeep cost. This paper summarizes the details of the design and describes the calculations performed that assure the test stand will successfully power the turbo. The initial operation of the test stand indicates the desired operating speed can be achieved for future vibration testing.

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