Blower & Damper/pt: Difference between revisions
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The primary way to feed air to the firebox is by opening the {{pll|Regulator|regulator}} and {{pll|Cutoff|cutoff}} fully and propelling the vehicle. As the steam is expelled {{pll|Cylinder Cocks|cylinders}} out into the atmosphere through the chimney, with every gear cycle, it creates a vacuum in the firebox, drawing in fresh air. | The primary way to feed air to the firebox is by opening the {{pll|Regulator|regulator}} and {{pll|Cutoff|cutoff}} fully, and propelling the vehicle. As the steam is expelled from {{pll|Cylinder Cocks|cylinders}} out into the atmosphere through the chimney, with every gear cycle, it creates a vacuum in the firebox, drawing in fresh air. | ||
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The blower is usually operated by a valve. When open, it releases some steam from the {{pll|Boiler|boiler}} to the chimney. This creates vacuum in the firebox, drawing in fresh air. However, since this airflow is vastly inferior to the acceleration airflow, the blower is only {{pll|Driving Efficiency|efficient}} when used on a stationary engine. | |||
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The damper is usually operated by a lever. When closed (pushed down) it chokes the airflow, drastically reducing fire temperature, even if the vehicle is accelerating. This is used to intentionally cut steam production when it is no longer needed, although doing so with a well-timed {{pll|Injector|water injection}} is an even more efficient alternative. | |||
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[[Category:Fire Management|3]] | [[Category:Fire Management|3]] | ||
Latest revision as of 00:05, 18 March 2025
A intensidade com que o combustível está queimando e, portanto, definindo a temperatura da fornalha, é controlada pela entrada de ar na fornalha. O oxigênio no ar enriquece o fogo.
The primary way to feed air to the firebox is by opening the regulator and cutoff fully, and propelling the vehicle. As the steam is expelled from cylinders out into the atmosphere through the chimney, with every gear cycle, it creates a vacuum in the firebox, drawing in fresh air.
Além disso, existem dois controles projetados para ajustar o fluxo de ar: ventilador e abafador.
The blower is usually operated by a valve. When open, it releases some steam from the boiler to the chimney. This creates vacuum in the firebox, drawing in fresh air. However, since this airflow is vastly inferior to the acceleration airflow, the blower is only efficient when used on a stationary engine.
The damper is usually operated by a lever. When closed (pushed down) it chokes the airflow, drastically reducing fire temperature, even if the vehicle is accelerating. This is used to intentionally cut steam production when it is no longer needed, although doing so with a well-timed water injection is an even more efficient alternative.