Department of Mechanical Engineering

MCE 485 Fluid Power Systems Laboratory

Fall, 2009

Catalog Description: MCE 485 Fluid Power Systems Laboratory (2-3-3). Prerequisites: ESC 301, MCE 371, MCE 380. Introduction to hydraulic and pneumatic fluid power components and systems, design of fluid power systems, analysis of components and systems, experimental verification of system modeling.

Prerequisites Differential equations

by topic: Conservation of mass

Conservation of energy

Newton’s laws

Kinematic analysis of constrained rigid bodies

One-dimensional fluid dynamics

Ideal gas behavior

Course Objectives: 1. Introduce fluid power terminology, components, & systems.

2. Provide skills to enable the design of safe, efficient, and modern hydraulic systems.

Course Outcomes: Upon successful completion of this course, students will be expected to:

1. Understand graphical symbols of fluid power components & systems.

2. Understand the operation and function of fluid power components.

3. Describe system operation from a symbolic system representation.

4. Design a system to meet operational specification and identify commercial hardware for the system.

Program Outcomes: This course prepares students to demonstrate the following outcomes of the mechanical engineering program:

(a) Ability to apply math, science and engineering knowledge

(b) Experimental design, and experimental data collection and analysis

(c) Engineering design of mechanical systems, units and processes

(d) Multi-disciplinary teamwork

(e) Identification, formulation and solution of engineering problems

(f) Understanding of global/social impact of engineering solutions and contemporary issues

(j) Modern engineering practice

Textbook: Design Engineers Handbook: Volume 1 – Hydraulics

Provided on CD from Parker-Hannifin Corp.

Instructor: Dr. William Atherton Office: SH-232

Phone: (216) 687-2595 Fax: (216) 687-5375

Email: w.atherton@csuohio.edu

Office Hours: 10:00-11:00 MWF & 2:00-3:00 TTh and by appointment

Grading: The course grade will be based on homework, laboratory reports, a midterm, a design project, and a final examination according to the following formula:

Homework average x 20%

Lab average x 20%

Midterm x 20%

Project x 20%

Final Exam x 20%

Total 100%

Homework will have a due date associated with each assignment. Homework turned in late will loose 20% of its value per day (Saturday & Sunday excepted). Late homework will not be accepted after solutions have been presented and zero credit will be given for the assignment.

Course Outline

Week/Day Description

1. Introduction to fluid power, lab safety, graphic symbols

Overview of hydraulic components, bond graph modeling

2. Basic pump design concepts

Gear, Piston, Vane pumps

3. Pump design and modeling

Lab #1: Volumetric Efficiency

4. Basic actuator design

Cylinder, Rotary, Intermittent Rotary

5. Actuator design and modeling

Lab #2: Cylinder Motion Evaluation

6. Valve design

Pressure Control, Flow Control, Directional Control – Proportional & Servo

7. Spool valve design and modeling

Lab #3: Performance of Flow Control Valves 8. Accumulator design and modeling

Piston type, Bladder type

9. Valve Control of Cylinder Motion – VCCM Equations

Lab #4: Performance of Pressure Reducing Valves

10. Midterm Examination

Lab #5: Proportional Valve – Pressure Metering

11. Pneumatics

12. Control strategies of hydraulic systems

13. Modeling hydraulic systems

14. Modeling hydraulic systems

15. Modeling hydraulic systems

16. Final Examination – December 8, 8:00 – 9:50 pm