Fire Behaviour
Learn about fire behaviour through practical demonstrations using a candle, and explanations by João Ventura.
Fire Behaviour
Learn about fire behaviour through practical demonstrations using a candle, and explanations by João Ventura.
Lessons
6 videos with quizzes
Total Duration
15 minutes
Instructor
João Ventura
Language
Portuguese audio English Subtitles
Description:
Practical demonstrations with a candle by researcher João Ventura to explain some aspects of combustion, such as atmospheric pressure, smoke, and solid and liquid fuels.
Curriculum
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Lesson 1: To relight a candle
When lighting a candle, we need to touch the lit match to the wick. However, if it is extinguished after being lit for a while, it can be re-lit without the match having to…
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Lesson 2 – Flame burning away from the wick
A candle transforms the solid fuel (the wax) into liquid fuel (molten wax) that is then converted into gaseous fuel. Under normal conditions, this fuel burns in the flame. However, it is possible to…
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Lesson 3- White smoke and Black smoke
When and why does a candle produces white smoke or black smoke?
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Lesson 4: Effects of atmospheric pressure
Discover what atmospheric pressure can do to an empty bottle
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Lesson 6 – Burning liquid fuel
Some high flashpoint liquid fuels, such as diesel, are only flammable at room temperature when atomized in a shower of small droplets. This is due to the increased surface area/volume ratio when the fuel…
Lessons
6 videos with quizzes
Total Duration
15 minutes
Instructor
João Ventura
Language
Portuguese audio English Subtitles
Description:
Practical demonstrations with a candle by researcher João Ventura to explain some aspects of combustion, such as atmospheric pressure, smoke, and solid and liquid fuels.
Curriculum
-
Lesson 1: To relight a candle
Read More ➤: Lesson 1: To relight a candleWhen lighting a candle, we need to touch the lit match to the wick. However, if it is extinguished after being lit for a while, it can be re-lit without the match having to…
-
Lesson 2 – Flame burning away from the wick
Read More ➤: Lesson 2 – Flame burning away from the wickA candle transforms the solid fuel (the wax) into liquid fuel (molten wax) that is then converted into gaseous fuel. Under normal conditions, this fuel burns in the flame. However, it is possible to…
-
Lesson 3- White smoke and Black smoke
Read More ➤: Lesson 3- White smoke and Black smokeWhen and why does a candle produces white smoke or black smoke?
-
Lesson 4: Effects of atmospheric pressure
Read More ➤: Lesson 4: Effects of atmospheric pressureDiscover what atmospheric pressure can do to an empty bottle
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Lesson 5 – Burning solid fuel
Read More ➤: Lesson 5 – Burning solid fuelLesson 5: How size impacts burning solid fuel
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Lesson 6 – Burning liquid fuel
Read More ➤: Lesson 6 – Burning liquid fuelSome high flashpoint liquid fuels, such as diesel, are only flammable at room temperature when atomized in a shower of small droplets. This is due to the increased surface area/volume ratio when the fuel…
