Hartnell Governor - Working 3D Animation
Автор: XL Machines 120
Загружено: 2023-10-15
Просмотров: 9214
Описание:
Hartnell Governor is a type of centrifugal governor used to maintain a constant set speed limit in a steam engine. It is spring loaded type.
It consists of two bell crank levers pivoted in the frame. The frame is attached to the governor spindle shaft and rotates with it. Each bell crank lever carries a ball in the vertical arm and a roller at the horizontal arm. A coil spring in compression provides equal downward forces on the two rollers resting on the sleeve. The spring is placed over a collar on the sleeve. The spring force can be adjusted by tightening or loosening the nut on the shaft.
Speed variation occurs when there are changes in the load driven by the engine.
When the load on the engine increases, its speed decreases hence the supply of steam should be increased to reach the set speed limit.
Similarly when the load on the engine decreases, its speed increases hence the supply of steam should be decreased to reach the set speed limit.
The governor automatically controls the supply of working fluid to the engine with the varying load conditions and keeps the mean speed within the set limits.
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