An APU is a small, independent engine (usually a gas turbine) that provides energy to a vehicle while the main engines are off.
Coined by , an APU combines a Central Processing Unit (CPU) and a Graphics Processing Unit (GPU) onto a single chip.
: In semi-trucks, APUs power sleepers' HVAC, appliances (microwaves/TVs), and battery charging without idling the main engine. 2. Computing (Accelerated Processing Unit)
: Supplies "bleed air" for cabin air conditioning and pressurization during ground operations.
An APU is a small, independent engine (usually a gas turbine) that provides energy to a vehicle while the main engines are off.
Coined by , an APU combines a Central Processing Unit (CPU) and a Graphics Processing Unit (GPU) onto a single chip.
: In semi-trucks, APUs power sleepers' HVAC, appliances (microwaves/TVs), and battery charging without idling the main engine. 2. Computing (Accelerated Processing Unit)
: Supplies "bleed air" for cabin air conditioning and pressurization during ground operations.
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