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The First Law of Thermodynamics | Thermodynamics | (Solved Examples)

44.6K views on YouTube

Learn about the first law of thermodynamics. We go talk about energy balance and then solve some examples that include mass flow, work flow, and much more, all step by step.

🔹Mass flow: https://www.youtube.com/watch?v=BtJZJuIVoRY
🔹Energy transfer by heat and work: https://www.youtube.com/watch?v=SciA8YS1M5o

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Intro (00:00)
At winter design conditions, a house is projected to lose heat (03:56)
Consider a room that is initially at the outdoor temperature (05:01)
The 60-W fan of a central heating system is to circulate air through the ducts. (05:39)
The driving force for fluid flow is the pressure difference (08:29)

Books used:
📘Çengel Yunus A. and M. A. Boles, Thermodynamics: an engineering approach. New York, NY: McGraw-Hill Education, 2016.
📘C. Borgnakke and R. E. Sonntag, Fundamentals of thermodynamics. Hoboken, NJ: Wiley, 2019.