Problem 1: 1st Law of Thermodynamics
Автор: JHIMVS
Загружено: 2026-01-07
Просмотров: 13
Описание:
In this video, I solve a sample problem applying the First Law of Thermodynamics for an open system (control volume). Step-by-step ang discussion para malinaw kung paano ginagamit ang energy balance equation sa real engineering devices.
Kasabay ng problem solving, I also explain the difference between a power-consuming device and a power-generating device, including how to properly interpret:
Work input vs output
Sign convention (important ‘to!)
Physical meaning behind the equations
📌 Topics covered:
First Law of Thermodynamics for Open Systems
Energy balance equation (control volume)
Power-consuming devices (e.g., pumps, compressors)
Power-generating devices (e.g., turbines)
Common mistakes in identifying work and energy terms
This video is perfect for:
✔ Mechanical Engineering students
✔ Thermodynamics 1 / 2 review
✔ Exam and quiz preparation
✔ Students confused about work direction and device classification
If nalilito ka kung kailan power input at kailan power output, this video will help you build a solid understanding—not just memorize formulas.
📘 Understand the concept, not just the equation.
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