Teammates
Nathan Ewell and Anthony Balsoma
Project Description
The goal of this project is to design an engine that will be the most fuel-efficient. We chose a turbojet engine and ran tests while changing the material of the engine to see how that affected the engine fuel wise.
Procedure
1. First we had to choose between four different types of engines. Either a simple turbojet, or a jet with afterburner. or a turbofan engine, or a ramjet. We chose a simple turbojet. When we ran the ten different tests we had to record the flight conditions. The flight conditions are mach number, airspeed, altitude, pressure, temperature, throttle, and afterburner settings. Then we had to choose an engine size. We made our turbojet engine be 10 feet squared.
2. We chose a simple turbojet engine because turbojet engines are the engines that are used on commercial planes today. Commercial planes would want the most fuel efficient engines so they wouldn't have extreme gas bills to pay all the time. Since the goal of the project is to make a engine that is the most fuel efficient we chose the turbojet engine so they should have the best use on fuel. The turbojet is an air breathing jet engine, usually used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet, a compressor, a combustion chamber, and a turbine.
3. The ways we tested our turbojets fuel efficiency was by changing the material used to create the jet engine and some of the design variables to see how this effected the fuel efficiency was changed due to these changes.
2. We chose a simple turbojet engine because turbojet engines are the engines that are used on commercial planes today. Commercial planes would want the most fuel efficient engines so they wouldn't have extreme gas bills to pay all the time. Since the goal of the project is to make a engine that is the most fuel efficient we chose the turbojet engine so they should have the best use on fuel. The turbojet is an air breathing jet engine, usually used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine has an air inlet, a compressor, a combustion chamber, and a turbine.
3. The ways we tested our turbojets fuel efficiency was by changing the material used to create the jet engine and some of the design variables to see how this effected the fuel efficiency was changed due to these changes.
Solution
I believe that our turbojet has achieved a pretty high potential. This is simply because we changed up some aspects of certain parts (ex; materials, sizes, etc) in order to achieve the best possible weight to thrust ratio. We ended up getting a decent ratio with some of changes which you can see above. As you can see with the first picture we were able to achieve the best fuel flow and the best net thrust. These accomplishments allowed us to capture one of the best aircraft we possibly could using our scenario.
Conclusion
1. On this project I learned more about how engines function. I learned how different factors impact the engine and further impact the flight. The flight depends on different things to be compatible with one another including, altitude, airspeed, and throttle. I learned that in order to achieve a greater aircraft engine, the engineer must go forth with planning out all the different factors ahead of time so that when the aircraft is in the air it can perform to its maximum potential.
2. Engine type is essential to getting aircraft to perform certain things. For example a ramjet is more for a super fast (as in breaking sound barrier fast) plane that has to already be moving in order for it to work. Meanwhile a turbofan is more for when you are trying to conserve fuel or be fuel efficient. As for afterburners are when you worry more about speed than efficiency (but you still wont be ramjet fast). Turbojet engines are for all around equality. That is why commercial airplanes usually end up using turbojet engines.
3. Due to the high altitude being a factor, if your plane was 30k-40k up in the sky, you would have to worry about the very low temperature and the pressure. These would be drastically different than what they were when closer to the ground. Another factor would be your airspeed because if you are constantly descending or ascending the temp and pressure would be changing so you would have to keep in eye on that as well
2. Engine type is essential to getting aircraft to perform certain things. For example a ramjet is more for a super fast (as in breaking sound barrier fast) plane that has to already be moving in order for it to work. Meanwhile a turbofan is more for when you are trying to conserve fuel or be fuel efficient. As for afterburners are when you worry more about speed than efficiency (but you still wont be ramjet fast). Turbojet engines are for all around equality. That is why commercial airplanes usually end up using turbojet engines.
3. Due to the high altitude being a factor, if your plane was 30k-40k up in the sky, you would have to worry about the very low temperature and the pressure. These would be drastically different than what they were when closer to the ground. Another factor would be your airspeed because if you are constantly descending or ascending the temp and pressure would be changing so you would have to keep in eye on that as well