0
Centrifugal and axial compressors will surge when forward flow through the compressor can no longer be maintained, due to an increase in pressure across the compressor, and a momentary flow reversal occurs. Once surge occurs, the reversal of flow reduces the discharge pressure or increases the suction pressure, thus allowing forward flow to resume again until the pressure rise again reaches the surge point. This surge cycle will continue until some change is made in the process or compressor conditions.
What else can I help you with?
What is surge in gas turbine?
Surging in gasturbine means that the pressure at the delivery end of the gas turbine compressor becomes very high (as a result of reduced flow at the compressor outlet). When this happens, the compressor pressure at the delivery end increases as the flow decreases upto an extent after which the pressure does not increase and there is a flow reversal. This flow reversal releases the sudden pressure that developed on account of reduced flow. The flow reversal is accomplanied with a loud noise and tremendous vibration. Surging affects the whole machine and if it is of high magnitude, the gas turbine can be ripped apart. Anti-surge devices (Bleed valves) are installed which do not allow the flow to reduce even on low speeds and keep a certain air flow from the compressor during times of low air requirement (startup and shutdown) Surging in gasturbine means that the pressure at the delivery end of the gas turbine compressor becomes very high (as a result of reduced flow at the compressor outlet). When this happens, the compressor pressure at the delivery end increases as the flow decreases upto an extent after which the pressure does not increase and there is a flow reversal. This flow reversal releases the sudden pressure that developed on account of reduced flow. The flow reversal is accomplanied with a loud noise and tremendous vibration. Surging affects the whole machine and if it is of high magnitude, the gas turbine can be ripped apart. Anti-surge devices (Bleed valves) are installed which do not allow the flow to reduce even on low speeds and keep a certain air flow from the compressor during times of low air requirement (startup and shutdown)
What is the working of rotary compressor?
working principle of a compressor
Which one is steady flow compressor?
Reciprocating compressor
What is gas turbine compressor pulsation?
GT compressor pulsation ?
What is more applicable screw type compressor or reciprocating compressor in terms of printing?
A screw air compressor generates greater volumes of air more quickly than that of a conventional air compressor .
What do you mean by surging and choking in the compressors?
Surging and choking in compressors refer to operational instabilities. Surging occurs when the flow rate through the compressor drops below a certain threshold, causing oscillations in pressure and flow that can lead to damage. Choking, on the other hand, happens when the compressor reaches its maximum flow capacity at a specific pressure, resulting in a restriction that limits further flow increases, often leading to a drop in performance. Both phenomena can adversely affect the efficiency and lifespan of the compressor.
What should be done when compressor got surging?
When a compressor experiences surging, it is essential to immediately reduce the load or throttle the flow to stabilize the operation. Inspect the system for issues such as improper control settings, inadequate suction pressure, or blocked filters. Additionally, check for mechanical problems like worn bearings or misalignment. If the surging persists, consult the manufacturer's guidelines or a qualified technician for further diagnosis and corrective measures.
What does antisurge valve do in compressors?
The compressor antisurge valve opens to bypass flow from discharge to suction. This allows the compressor to flow through bypass and keeps the compressor from surging (reverse flow thru compressor). The discharge pressure does not continue to build due to closed discharge conditions.
What causes the turbo charger surging?
If the turbo is too small, the turbo can go into surge, it is the part of the compressor map where the air flow is unstable. It is to the left on the compressor map, will cause damage if it taken care of.
Is compressor surge bad?
How do you know it is surging? The most common cause for a jump in idle speed while the AC is running is when the cooling fan cycles on and puts a draw on the alternator.
Why could a turbocharger be surging?
Compressor surge is when the air pressure after the compressor is actually higher than what the compressor itself can physically maintain. This condition causes the airflow in the compressor wheel to back up, build pressure, and sometimes stall. Common conditions that result in compressor surge on turbocharger gasoline engines are: * A compressor bypass valve is not integrated into the intake plumbing between the compressor outlet and throttle body * The outlet plumbing for the bypass valve is too small or restrictive * The turbo is too big for the application
How do use surging in a sentence?
the water was surging over the rocks
Why do revs of 92 colt 200E 1.5 engine surge at idle?
Smaller engines often surge when the AC "cycles". Next time, see if it's surging when the AC compressor turns on.
What is surge in gas turbine?
Surging in gasturbine means that the pressure at the delivery end of the gas turbine compressor becomes very high (as a result of reduced flow at the compressor outlet). When this happens, the compressor pressure at the delivery end increases as the flow decreases upto an extent after which the pressure does not increase and there is a flow reversal. This flow reversal releases the sudden pressure that developed on account of reduced flow. The flow reversal is accomplanied with a loud noise and tremendous vibration. Surging affects the whole machine and if it is of high magnitude, the gas turbine can be ripped apart. Anti-surge devices (Bleed valves) are installed which do not allow the flow to reduce even on low speeds and keep a certain air flow from the compressor during times of low air requirement (startup and shutdown) Surging in gasturbine means that the pressure at the delivery end of the gas turbine compressor becomes very high (as a result of reduced flow at the compressor outlet). When this happens, the compressor pressure at the delivery end increases as the flow decreases upto an extent after which the pressure does not increase and there is a flow reversal. This flow reversal releases the sudden pressure that developed on account of reduced flow. The flow reversal is accomplanied with a loud noise and tremendous vibration. Surging affects the whole machine and if it is of high magnitude, the gas turbine can be ripped apart. Anti-surge devices (Bleed valves) are installed which do not allow the flow to reduce even on low speeds and keep a certain air flow from the compressor during times of low air requirement (startup and shutdown)
What happened in turbocharger when it surging condition?
When a turbocharger experiences surge, it is characterized by a rapid oscillation of airflow within the compressor. This occurs when the flow demand exceeds the compressor's capability, causing a reversal of airflow and a drop in pressure. The resulting instability can lead to increased wear on the turbo components and potential damage, as the compressor wheel may experience excessive vibration and stress. In severe cases, this can also affect engine performance and reliability.
What are the release dates for Surging Seas - 1924?
Surging Seas - 1924 was released on: USA: 1 May 1924
Why is my 2000 Jeep wrangler 4.0 liter surging or missing while driving?
The most common cause for surging is a vacuum leak
