What is a turboshaft engine?
In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the exhaust and convert it into output shaft power. They are even more similar to turboprops, with only minor differences, and a single engine is often sold in both forms. The principal difference between the two is that the turboprop version must be designed to support the loads of the attached propeller whereas a turboshaft engine need not be as robust as it normally drives a transmission which is structurally supported by the vehicle and not by the engine itself.Assuming the turbofan’s core and the turbojet are the same size, the turbofan pushes more air due to the bypass air. More thrust for the same amount of power means the turbofan does not need to burn as much fuel as the turbojet to create the same amount of thrust. This means that the turbo fan is more fuel efficient.Mechanically speaking, jet engines simply create more thrust than turboprop engines and, therefore, can fly at higher speeds. Jet engines and turboprop engines use two different approaches to aircraft propulsion. Jets rely on the principle of jet propulsion, while turboprops use propeller propulsion.It is the job of the turbocharger to compress more air flowing into the engine’s cylinder. When air is compressed the oxygen molecules are packed closer together. This increase in air means that more fuel can be added for the same size naturally aspirated engine.
What is a turbocharged engine in aviation?
Description. A turbocharger is a turbine driven, forced induction device that is utilised in a piston engine to enable it to produce more power. In a normally aspirated piston engine, intake gases are drawn into the cylinder by the reduced pressure created by the downward stoke of the piston. The five major parts of a turbocharger include, the compressor cover (1), the bearing housing (2), the turbine housing (3), the compressor wheel (4), and the turbine wheel and shaft assembly (5).
What are the 4 types of turbo engines?
Types Of Engines, Based On The Same Basic Concept Gas turbine engines have come a long way in the past 100 years. And while turbojets, turboprops, turbofans and turboshafts all have their differences, they way they produce power is essentially the same: intake, compression, power, and exhaust. Cars with turbocharged engines have the ability to produce more power without needing higher CC engines. These engines are also much more fuel-efficient than larger engines.A turbocharged engine can give up to 20% improved fuel economy. It also gives better performance at high altitude. At high altitudes regular engines produce much less power due to the higher air pressure. On the other hand, at high altitudes, turbocharged engine performance and power generation improve.In fact, turboprop engines are also more efficient than turbofan engines, but aircraft speeds using turboprop engines are typically lower than those of turbofan engines.
What are the 4 types of aircraft engines?
Many aircraft use a form of the gas turbine engine to produce power for thrust. These engines are normally the turboprop, turboshaft, turbofan, and a few turbojet engines. A gas turbine engine that delivers power through a shaft to operate something other than a propeller is referred to as a turboshaft engine. Turboshaft engines are very similar to turboprop engines. The turbine that extracts energy from gas flow is primarily designed to produce shaft power.This is another form of gas-turbine engine that operates much like a turboprop system. It does not drive a propellor. Instead, it provides power for a helicopter rotor. The turboshaft engine is designed so that the speed of the helicopter rotor is independent of the rotating speed of the gas generator.Turbo Engines Produce More Torque The useful feature results in excellent initial acceleration in small petrol engines, which do not tend to produce more torque without a turbo. You can also add a turbo to naturally aspirated(NA) diesel engines, though they already produce high torque at low rev.