Area 09
Thermal engineering
How heat dey move, and how to keep am inside or keep am outside
Thermal engineering na about heat: how e dey flow from hotter tins go colder ones, and how engineers dey use materials, insulation and shape to keep house warm, keep drink cool, or stop machine from overheating.
Who e good for
Pikin wey dey wonder why metal spoon dey hot inside tea, and learners wey like experiments wit everyday materials.
Wetin you go learn
- How heat dey flow from hotter body go colder one
- Why some materials dey conduct heat well and oda ones dey insulate
- How fast tins dey hot up and cool down, and wetin dat one depend on
- How engineers dey choose materials by dia thermal properties
Example experiments
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Heat one end of rods wey dem make wit different materials, and compare how fast di oda end dey hot.
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Wrap one virtual cup wit different insulating layers and see how long di drink go stay hot.
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Change how thick one wall be, and compare how much heat dey pass through am.
Tins wey you fit build
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Lunch box wey get better insulation
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Wall wey dey keep room warm
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Simple heat sink for one electronic part
Dis examples dey show di kind work wey dey dis area. Di lessons wey dem go publish fit different.
Wetin di simulation simplify
- Dem dey calculate heat transfer wit simplified learning models and only few properties for each material.
- Dem simplify moving air and sunlight; real buildings and machines dey more complex and dem need professional checks.
Every simulation dey simplify reality. To sabi how e dey do am na part of learning engineering.
How e connect to school subjects
Physics (heat and temperature), chemistry (di materials), geography (climate), design and technology
Connection to oda areas
Thermal engineering dey connect wit structures and materials, wit electrical circuits (parts dey hot up) and wit control systems (thermostats).
E good make you know
Vacuum flask dey keep drinks hot or cold because e dey slow down every way wey heat fit take travel.