HEAT TRANSFER CHAPTER 7 External flow 们au #1 Heat Transfer Su Yongkang School of Mechanical Engineering
Heat Transfer Su Yongkang School of Mechanical Engineering # 1 HEAT TRANSFER CHAPTER 7 External flow
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Heat Transfer Su Yongkang School of Mechanical Engineering # 2 Looking for a job?
External Flow: Other Shapes Topic of the day oven Heat Transfer Su Yongkang School of Mechanical Engineering
Heat Transfer Su Yongkang School of Mechanical Engineering # 3 External Flow: Other Shapes Topic of the Day oven
External Flow: Other Shapes Where we’ ve been. Empirical correlations and analytical solutions Nur= t 0.332Re2Pr k Where we’ re going: applications to other shapes( cylinders and spheres Brief discussion on multiple objects (tube bundles) and jet impingement Internal flow next Textbook Sections 87.4-7.8 #4 Heat Transfer Su Yongkang School of Mechanical Engineering
Heat Transfer Su Yongkang School of Mechanical Engineering # 4 External Flow: Other Shapes Where we’ve been …… • Empirical correlations and analytical solutions Where we’re going: • Applications to other shapes (cylinders and spheres) • Brief discussion on multiple objects (tube bundles) and jet impingement. • Internal flow next ……….. Textbook Sections §7.4-7.8 3 1 2 1 = 0.332Rex Pr k h x Nu x x
Historical example Cooling of lead shot Molten eac oooo Heat Transfer Su Yongkang School of Mechanical Engineering
Heat Transfer Su Yongkang School of Mechanical Engineering # 5 Historical Example • Cooling of lead shot Molten lead