ROSE-HULMAN INSTITUTE OF TECHNOLOGY

ES202: Thermal & Fluid Systems — Winter 2007–2008

Material in italics, except laboratory and examination dates, is subject to change.

Reading and HW assignments and exam dates will be finalized approximately one week before they appear on the schedule.

Reading and HW assignments are found in the Ηengel, Turner, and Cimbala text. Items marked with an asterisk (*) are available by clicking on the link. CQ’s are concept questions that help you think and learn about a concept.

 

REVISED  16 January 2008

Class

Date

Day

Reading to be Completed
Before Class

Lesson Objectives

Homework to be
Completed
After Class

 

 

 

 

Week 1 - Objectives

 

1

11-26

M

1-1 to 1-6

Introduction

      relation of ES201 and ES202/ES204

      thermodynamics, fluid mechanics, and heat transfer

Fluid Fundamentals (1)

      Definition of a fluid

      Conservation of mass for a differential open system (control volume):

           field variables – density, velocity, pressure

           continuity equation for an incompressible fluid

Set #1*  (Due class 3)

T

2

11-28

W

9-1 to 9-3;

11-2 to 11-3;

Stream function notes*

Fluid Fundamentals (2)

      Flow visualization

           pathline, streakline, streamline, and timelines

      Motion of a fluid element (fluid kinematics):

           translation vs. rotation (vorticity)

           expansion/compression (dilation) vs. angular deformation

      Stream function and the velocity field

Set #2* (Due class 4)

 

 

R

 

 

3

11-30

F

9-4 to 9-7;

Navier-Stokes Notes*;

 

Fluid Fundamentals (3)

      Shear stress and viscosity

           Newtonian fluid

      Conservation of linear momentum for a differential open system (control volume):

           Navier-Stokes equation for an incompressible fluid

           common modeling assumptions

Set #3* (Due class 5)

 

 

 

 

Week 2 - Objectives

 

4

12-3

M

2-7 to 2-8

Hydrostatics (1)

      pressure variation in a stationary fluid

      scales for reporting pressure – absolute vs. gage pressure

      pressure measurement: barometers, manometers, and gages

Set #4 (Due class 6)

2-40, 2-62, 2-69

 

Think about 2-25C to 2-29C

12-3

T

Dimensional Analysis and Modeling*

Week 2 — ES202 Lab

· Download and read Chapter 7 on Dimensional Analysis and Modeling from Essentials of Fluid Mechanics by Cimbala and Cengel BEFORE coming to lab. This is a free chapter distributed by McGraw-Hill as a supplement for the current text. Use the link at left to download the PDF file for the chapter.

5

12-5

W

10-1 to 10-2

Hydrostatics (2)

      pressure distribution on a submerged surface

      resultant force on a submerged plane surface

           magnitude, line of action, and point of application

Set #5 (Due class 7)

2-96, 10-16

Think about 10-1C to 10-7C

 

 

R

Week 2 — ES202 Lab   (See Tuesday above)

 

6

12-7

F

10-3 to 10-4

Hydrostatics (3)

      buoyancy force (Archimedes’ principle)

Set #6 (Due class 8)

10-34, 10-45

Think about 10-25C to 10-28C

 

 

 

 

Week 3 - Objectives

 

7

12-10

M

12-2

(pgs 460-467)

 

Bernoulli equation (1)

      origin, limitations, and physical interpretation

           static, dynamic, and stagnation pressure

           pressure variation along a streamline

      energy form vs. pressure form vs. head form

      pressure variation across streamlines, especially parallel streamlines

Set #7* (Due class 9)

12-27, 12-35

 

Think about 12-11C to 12-24C

12-11

T

Week 3 — ES202 Lab

8

12-12

W

12-2

(pgs 468-471)

Bernoulli equation (2)

      examples: Pitot-static tube, flow in a nozzle or venturi, siphons

Set #8  (Due class 11)

12-41, 12-42, 12-46

 

 

R

 

Week 3 — ES202 Lab  (See Tuesday above)

 

9

12-14

F

12-4

ES201 Energy notes

Mechanical Energy Balance (1)

      Conservation of energy (CoE) and the Mechanical Energy Balance (MEB)

      One-inlet/one-outlet steady-state system

Set #9 (Due class 12)

12-61, 12-64, 12-56

 

 

 

 

Week 4 & 5 - Objectives

 

10

12-17

M

Exam I  --- Classes 1-6  (Ground rules)

T

11

12-19

W

12-1

Mechanical Energy Balance (2)

      Pump/Turbine Efficiency

Set #11 (Due class 13)

12-65, 12-69

 

 

R

 

 

12

12-21

F

14-1 to 14-4

Internal Flow (1)

      inlet region:

           developing flow and viscous boundary layer

           entrance length

      Reynolds number and the flow regimes: laminar, transition, and turbulent

      Laminar flow in circular and non-circular ducts

Set #12 (Due class 14)

12-63, 14-38

HOLIDAY BREAK

13

1-7

M

14-4 and 14-5

Internal Flow (2)

      turbulent flow in circular and non-circular ducts

      predicting major and minor head losses

      pipe flow: major losses (friction losses in straight pipes)

Set #13 (Due class 15)

14-42, 14-45

T

Week 5 — ES202 Lab  (Shared with ES204)

 

14

1-9

W

14-6

Internal Flow (3)

      pipe flow: minor losses (fittings, inlets, outlets)

Set #14 (Due class 16)

14-61, 14-79

 

1-10

R

 

Week 5 — ES202 Lab  (See Tuesday above)

 

15

1-11

F

14-7

Internal Flow (4)

      applications

Set #15 (Due class 17)

14-87, 14-75

16

1-14

M

4-1 to 4-4

Pure substance properties (1) 

      State postulate of a simple, compressible substance
     P-v-T surface and its projections

Set # 16 (Due class 18)

14-80, 14-86

1-15

T

Week 6 — ES202 Lab  (Shared with ES204)

17

1-16

W

4-5, 8-3

Pure substance properties (2)

Set #17 (Due class 19 or 20 Ask your instructor)

Concept questions 4-1C through 4-10C plus 4-18C and 4-21C. (Provide neat, brief, clear, complete answers. Std. format not required.)

 

 

R

 

Week 6 — ES202 Lab  (Shared with ES204)

 

18

1-18

F

????

Instructor’s Option — Ask your instructor

Set #18 – ????

19

1-21

M

 

Exam II – Classes 7-15

 

1-22

T

4-5, 8-3

Week 7 — ES202 Lab — Property Lookup Lab

20

1-23

W

4-5, 8-3

Pure substance properties (3A)

      Problem solving using real substance property tables

 

1-24

R

 

Week 7 — ES202 Lab (See Tuesday above)

 

21

1-25

F

Review material on steady-state devices:

…ES201 Handout*

…Descriptions in 6-4 of ES202 text.

Pure substance properties (3A)

      Problem solving using real substance property tables

22

1-28

M

4-6, 4-7;

5-3, 5-4, 5-5

8-7, 8-8, 8-9

Pure substance (4)

      compressibility factor Z and the generalized Z-chart

      specific heats and Tds relations

      ideal gas model

           use of average specific heat values

           use of ideal gas tables

1-29

T

Week 8 — ES202 Lab (Instructors choice)

23

1-30

W

8-6; 8-10, 8-12;

8-13

      incompressible substance

Isentropic processes (1)

      Representation on T-s diagrams
     Isentropic efficiency for steady-state devices

 

1-31

R

 

Week 8 — ES202 Lab (See Tuesday above)

 

24

2-1

F

…Cycle material in ES201 Notes

…23-1*, 23-2*, 23-7* (Online Chapter 23*)

Thermodynamics Cycles (1)

      Power Cycles (Heat Engines)

           Carnot Cycle

           Model for a gas turbine --- Brayton Cycle

25

2-4

M

23-9* to 23-11*

Thermodynamic Cycles (2)

           Model for a steam power plant --- Rankine Cycle

T

Week 9 — ES204 Lab

26

2-6

W

23-14* to 23-19*

Thermodynamic Cycles (3)

      Refrigeration/Heat-Pump Cycles

           Reversed Carnot Cycle

           Model for a home air conditioner or heat pump --- Mechanical vapor-compression cycle  

 

 

R

 

Week 9 — ES204 Lab

 

27

2-8

F

15-1 to 15-4, 15-6

External Flow (1)

      Drag vs. Lift

      Drag force components: pressure drag vs. shear (friction) drag

           Drag coefficient – determined empirically

      Pressure drag

           difference between slender and blunt bodies (streamlining)

           flow separation and its dependence on Reynolds number

28

2-11

M

 

Exam III – Classes 16 – 26

See Learning Objectives for Classes 16 – 22 and Classes 23 – 26

 

T

Week 10 — ES204 Lab

29

2-13

W

15-5

External flow (2)

      Shear (friction) drag

           development of boundary layer along a surface

                special case: parallel flow over a flat plate

           skin friction coefficient: local versus average.

 

 

R

 

Week 10 — ES204 Lab

 

30

2-15

F

15-7

External flow (3)

      Lift – Origin of lift

           Lift coefficient

           Stall as a direct consequence of flow separation

 

 

 

 

Learning Objectives --- Lift & Drag

 

 

 

Final Exam       (Ground rules)