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  • Wet-Steam Turbines for Nuclear Power Plants
    Wet-Steam Turbines for Nuclear Power Plants. Presenting a survey of modern wet-steam turbines, this book explains in clear, but detailed language the design features of the world s leading wet-steam turbine manufacturers, including the subtleties of operation of these complex components.
  • Applying Steam Turbines For Pump Drives (.pdf)
    Steam turbines are well-suited for pump drive service for a number of reasons. First is their ability to operate across a wide speed range. This enables them to do two things: operate at the pump's most efficient speed and match the system head curve at varying pump flows, thus reducing throttling
  • Condition Monitoring of Steam Turbines by Performance Analysis
    maintenance; steam turbines; testing; N2 packing Where a machine is taken from service, coastdown and running up through shaft bending critical speeds can allow momentary rubbing at the internal seals. The resulting enlarged flow area can reduce the internal efficiency, such that less energy
  • Fatigue Damage of Steam Turbine Blade Caused by Frequency Shift Due to Solid Buildup-A Case Study (.pdf)
    The case history is presented of a large steam turbine that experienced blade damage after about eight years of service. The probable cause and subsequent solution to the problem are addressed. A discussion of the metallurgical analysis of the damage, Campbell diagram, SAFE diagram and modal test
  • Bolt Expansion Job on a Steam Turbine
    The time pressure facing service engineers is made even worse by the technology traditionally used to expand and remove the large bolts that secure turbine covers. So when Alstom Power was performing planned maintenance on a turbine, they asked us if induction heating was a viable alternative.
  • Steam Turbine Water Washing (.pdf)
    Capability for full speed turbine water washing has become an increasing requirement, especially on mechanical drive units. Although load carrying capability will be somewhat reduced, essentially the overall plant requirements are maintained.
  • Optimization of a Leading Edge Groove Tilting Pad Journal Bearing for Application in a Small, High Speed Multi-Stage Steam Turbine (.pdf)
    Optimization of a leading edge groove tilting pad journal bearing for application in a small, high speed, multi-stage steam turbine is described. Rotordynamics constraints to meet a design objective maximum operating speed of 18,000 rpm resulted in a rotor with a 5 1. 0 in. bearing span and 5. 0
  • MR Steam Turbine Material Accelerator
    After completing installation of a fresh 2250 hp motor on the Fructose MR, initial quality check vibration readings showed a significant .17g spike at 2X line frequency (120hz) in the gse spectrum. This is indicative of rotor-stator rotation eccentricity. There was also a 1X spike in the ips

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