Consider new labyrinth seals to optimize compressor operations

is president of Flexware Inc. in Grapeville, Pennsylvania. He has been involved in the design of high-efficiency centrifugal compressor staging, field-testing of compressors and steam turbines, and troubleshooting field performance problems for over 40 years. While most of this time was with Elliott Co., he is presently with Flexware Inc., a company focused on turbomachinery engineering consulting services, training seminars and software for turbomachinery performance analysis. Mr. Gresh received a BS degree in aerospace engineering from the University of Pittsburgh. He has published a book on compressor performance, and holds several patents related to turbomachinery. He is a registered professional engineer in the state of Pennsylvania.

PE, is the chief engineer for John Crane. He is a member of STLE, ASME and the Vibration Institute. Mr. Whalen is also a member of the Turbomachinery Symposium Advisory Committee and is a registered professional engineer in the state of Texas. He holds a BS degree in mechanical engineering from the Rochester Institute of Technology. He worked for Dresser Rand, where he was involved in large turbine engineering and rotordynamics. Mr. Whalen joined Centritech Corp. in 1988 and helped form Turbo Components and Engineering in 1991.