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Electronic controllers add greater flexibility in management of boost pressures, compared with the manual controllers. [2] The actuation of an electronic boost controller can be managed by one of two control systems: Open-loop is the simpler option, where control output is merely based on other inputs such as throttle angle and/or engine speed ...
Use of the second port is not necessary. Secondary ports, unlike primary ports, cannot be simply attached to a boost control line and require electronic or manual control to be useful. CO 2 can also be used to apply pressure to the second port, to control boost on a much finer level.
If it is, then the control unit activates a solenoid valve that directs boost pressure to the turbocharger's pneumatically controlled wastegate, that opens to bypass exhaust gases from the turbocharger directly to the exhaust pipe, lowering turbo boost pressure until the knock subsides. Knock events that are managed by the APC can be discerned ...
This is commonly referred to as gauge pressure. Boost pressure is relative to absolute pressure - as one increases or decreases, so does the other. It is a one-to-one relationship with an offset of -100 kPa for boost pressure. Thus, a MAP sensor will always read 100 kPa more than a boost sensor measuring the same conditions.
After over 100 people were killed in a South Korea plane accident, here are the worst accidents and crashes in aviation history.
Image source: Getty Images. Baby boomers: Not embracing the Roth 401(k) Baby boomers saw the first 401(k)s in 1978, and most have stuck with these traditional plans to the present day.
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