Why The Vane Passages Are Gradually Increased In Size In Successive W

1.	Why The Vane Passages Are Gradually Increased In Size In Successive Wheels In Steam Turbine ?
Answer» The velocity of steam decreases in successive STAGES and to accommodate same flow per unit TIME, the AREA of flow must increase. The velocity of steam decreases in successive stages and to accommodate same flow per unit time, the area of flow must increase.

Why The Vane Passages Are Gradually Increased In Size In Successive Wheels In Steam Turbine ?

Answer»

The velocity of steam decreases in successive STAGES and to accommodate same flow per unit TIME, the AREA of flow must increase.

The velocity of steam decreases in successive stages and to accommodate same flow per unit time, the area of flow must increase.