Questions tagged [temperature]

The intensity of heat found in an object or living thing.

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7
votes
1answer
20k views

What appears on EGT Gauge if the mixture is rich or lean?

I have some questions on interpreting Exhaust Gas Temperature (EGT) readings. Can you give me some input on: What appears on EGT Gauge if the mixture is lean or rich? what is the normal range, ...
1
vote
1answer
783 views

How does EGT work? [closed]

I am making a report and how does EGT of an aircraft, either turbo or piston engine, work? Can you please give me the procedures... Like where it starts and being transferred to where and stuff. Thank ...
20
votes
1answer
5k views

How are temperature differences handled in a jet engine?

Given the graph in this answer, the temperature are quite high inside a jet-engine, even greater that many metal's melting point. I understand high core temperature are efficient. A jet engine is ...
8
votes
1answer
2k views

What is the average temperature in the luggage hold of a passenger plane? [closed]

I am asking this seemingly odd question, as we'll have to transport some medicine in our luggage and it's supposed to be stored at temperatures between -8C and <...
44
votes
6answers
18k views

What are some of the differences between piston engines used in aircraft and automobiles?

What are some of the differences between piston engines used in aircraft and automobiles? It seems aircraft engines are much more expensive, I imagine some of that cost must be due to the more ...
15
votes
1answer
4k views

Why do wings of passenger jet go dark during a flight?

Why do certain areas on passenger jet wings go dark during a flight? This effect is observed on high altitude where temperature is low. When airplane descends, wings return to their initial color. ...
9
votes
2answers
5k views

How hot would pressurized air get if the air conditioning failed?

I understand that aircraft are pressurized by pushing air into the cabin using the engines, and using a valve to let the air escape at a controllable rate thus achieving the desired pressure ...
11
votes
3answers
2k views

Is the altimeter setting corrected for temperature?

In an ATIS or AWOS/ASOS recording, is the reported altimeter setting corrected for temperature? I think it must be, because on a hot day, the altimeter should still show correct field elevation. If ...
10
votes
3answers
74k views

How is pressure related to air density?

This is confusing to me: Since pressure increases with temperature (I don't know why), how can air density decrease with temperature. In a hot day then pressure would increase and air density ...
36
votes
3answers
66k views

How do aircraft keep fuel from freezing while in flight?

On aircraft which fly above 30,000 feet, the temperature can often can get to temperatures below Jet-A's freezing point. For example: at 36,000 feet the standard outside air temperature is -56.5°C (-...
17
votes
1answer
75k views

What is the difference between OAT, RAT, TAT, and SAT?

When I first started flying jet aircraft, I found different instruments that measure temperature in different ways and it was quite confusing. What is the difference between Outside Air Temperature,...
8
votes
2answers
1k views

What is the difference between planned true airspeed and actual true airspeed?

My electronic E6B does calculations for both planned and actual true airspeed (yielding different results). I was told the difference has to do with assumptions about temperature, but the manual doesn'...