. Official proceedings . same wurk as this single subdivided two-row stage (assuming,of course, the same blade speed, viz., 500 feet a second, andthe same pressure drop, 165 to 50 pounds absolute). In the Parsons turbine the process of subdividing the steam Fig. expansion (as illustrated in Fig. 11) resolves itself into arelativelv large number of rows of blades. An important resultsecured by this subdivision is the uniformly low steam velocitiesthrough the turbine. When velocities of 1000 to 2000 feet persecond arc encountered throughout the Rateau and Curtis tur-bines the corresponding
. Official proceedings . same wurk as this single subdivided two-row stage (assuming,of course, the same blade speed, viz., 500 feet a second, andthe same pressure drop, 165 to 50 pounds absolute). In the Parsons turbine the process of subdividing the steam Fig. expansion (as illustrated in Fig. 11) resolves itself into arelativelv large number of rows of blades. An important resultsecured by this subdivision is the uniformly low steam velocitiesthrough the turbine. When velocities of 1000 to 2000 feet persecond arc encountered throughout the Rateau and Curtis tur-bines the corresponding velocities in the Parsons machine wdlvarv from 150 to 1000 feet per second. As friction losses are a function of velocity, this relatively 165 i: 100
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