What else goes into building a jet engine? - Part 3

Part two:

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[TheChefmike]

I had a chemistry teacher in high school. I really liked him, and he encouraged me to go into science/engineering. I gave it a go, but wound up being a Chef. I think he would have approved. My thermodynamics background has helped immensely, and I'm not joking. So many talented cooks do not understand thermodynamics.

[arturoeugster]

14:33
At Hamilton Standard we used the compressor exit temperature, and absolute pressure, the airflow and fuel flow to compute the turbine inlet temperature, knowing the combustion enthalpy of the specific fuel.
The turbine inlet temperature is a critical parameter, which affects the turbine life .Using the fuel controller the engine acceleration was actively limited to prevent over temperature. But also the deceleration of the engine was limited to prevent flame out. As you mentioned, there was no reliable way to measure this most critical parameter directly.
Outstanding professional presentation.

[BinkySears]

LabVIEW, LabJack T-7, and some cheap transducers. Splurge on an Enfield Fluid Controls proportional solenoid valve here and there. Run the rig from your desk. You could, for example, control oil pressure to be 15 psi above chamber pressure at all operating conditions with a bit of programming. The commercial LabVIEW license will set you back a bit, but it's worth it for the kinds of things you do.

[antonyharding]

I wish I had a teacher like you when I was at school many years ago, to explain things and keep it interesting.. Regards Antony Warrington England..

[superskullmaster]

The way this guy speaks never gets old. He could talk about anything and it would sound interesting.

[ishannande]

Really nice series. It reminds me of my undergraduate project, where me and my friends attempted to build a small gas turbine. We built a rudimentary combustion chamber, ignition system, and got the entire system to a self-sustaining stage after the initial blower-based start. We unfortunately could not measure accurate system data because of lack of equipment. Interesting times.

[racketmotorman]

May I suggest you add a pitot tube to your turbine stage outflow to measure the actual energy you have available for making thrust/SHP , its an invaluable tool for tuning/optimising the engine, it needs to supply a 1Bar gauge, generally a DIY engine will produce ~0.5 Bar of P4t, though when maximised it can be closer to 0.8 Bar

[coreycreehan]

Can't wait for the compound set up!

[carneeki]

The thing I'm looking forward to most on this series is how to get work out of the engine.

Taming hot gases to drive a shaft for a generator or other mechanical work has me thinking all sorts of options.

[richy]

You really know how to teach and explain and get in detail and you remind me of myself

[Nice_Amish_Fellow]

Loving this deep dive series. Having you break everything down in minute detail gives me more confidence to build something similar once I retire (in about two months ;-)

Thank you!

[d.mcdave]

This guy is great. He has the smarts of a professor but you know he is really a rebel looking to do something spectacular crazy. I could watch him all day.

[TheVcasf]

Amazing videos. Thank you
After watching your solar water heating videos, I just want to say that with all the economic disruption around the world, many would benefit from solar thermal storage and heating. I hope that inspires a deep dive. We all need to participate in designing simple systems for such sustainability. Thanks again

[Kenjiro]

Exceedingly patient and understanding neighbors. Every jet I have met needed many cycles of testing and neighborhoods are not designed to withstand high-decibel noise, say from testing jet engines.

[justinstrohl]

TI dropped another video? What a good night this is turning out to be.

[duggydo]

Fun stuff. Looking forward to the next one.

[Kargoneth]

Good! You are discussing proper lubrication of the turbo.

[mitchmarkota]

I learn so much from you. Thank you for the great videos and useful information.

[ted]

That was popcorn worthy!!!

Thank you.

[weekendstuff]

Again and as always I take away lots of useful information from your video. Thanks for sharing. Weekend Stuff