Idea Transcript
MECH 125: Thermal System Design Credits and Contact Hours: 4(Lecture) units, 3.33(Lecture) contact hours per week per ten week quarter Instructor’s or Course Coordinator’s Name: Hohyun Lee, Associate Professor Textbook: a. Incropera, DeWitt, Bergman, & Lavine, “Fundamentals of Heat and Mass Transfer”, 7th Ed., Wiley, 2011 b. Moran, Shapiro, Boettner, & Bailey, “Fundamentals of Engineering Thermodynamics”, 8th Ed., Wiley, 2014 Catalog Description: Analysis, design, and simulation of fluids and thermal engineering systems. Application of optimization techniques, life cycle, and sustainability concepts in these systems. Prerequisite: MECH123 Course Type: Required, junior level mechanical engineers, contribute to Engineering Topics Course Learning Objective: ● Evaluate maximum available energy or minimum work required for thermal process (Assessed in homework sets and tests) ● Understand how to improve the system to achieve work close to idea value (Assessed in homework sets and tests) ● Analyze the real efficiency caused by imperfectness in mechanical components (Assessed in homework sets and tests) ● Design a regenerative heat exchanger (Assessed in a term project) ● Determine the right pump for pipe (Assessed in a term project) ● Quantify detail energy balance of the thermal system (Assessed in homework sets, tests, and a term project) Relationship of course to Student Outcomes: This course contributes heavily under categories ● Ability to apply knowledge of math science and engineering (A) ● Ability to design system, component, or process to meet needs (C) ● Ability to identify, formulate, & solve engineering problems (E)
This course contributes moderately under categories ● Understanding of professional & ethical responsibility (F) ● Ability to communicate effectively (K) ● Broad education necessary to understand impact of engineering solutions in a global & societal context (H) ● Knowledge of contemporary issues (J) Topics Covered: ● Availability/Exergy ● Improvement of mechanical cycles: Optimize Carnot cycle, Regenerative system, Reheat/Intercooler Brayton cycle, irreversibility in systems ● Combustion: Gas mixture, heating value, adiabatic flame temperature, chemical availability ● Design of heat exchanger: evaluate energy requirement, pumping power calculation, choice of material and size determination ● Sustainable air conditioning ● Renewable energy: solid state energy conversion (Photovoltaic, thermoelectric, piezoelectric, and fuel cells)