ME 407-Mechanical Engineering Systems Laboratory

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Presentation transcript:

ME 407-Mechanical Engineering Systems Laboratory Lecture notes-1

Both time and money is important in practical engineering.

BEFORE METRIC INFORMATION IS ACQUIRED STRUCTURAL INFORMATION IS NEEDED

REASONS FOR PERFORMING MEASUREMENTS TO PROVIDE AN IMMEDIATE QUANTITATIVE ANSWER TO A SPECIFIC PROBLEM TO COLLECT EMPIRICAL DATA WITH THE HOPE OF OBTAINING AN INSIGHT INTO A PHENOMENON AND LATER GO ON TO USE THE DATA TO FORM A THEORETICAL EXPLANATION OF IT. TO VERIFY THE EXISTING THEORY

ENGINEERING EXPERIMENTATION APPROACH 1. WHAT IS THE OBJECTIVE OF THE EXPERIMENT ? 2.WHAT ARE THE IMPORTANT VARIABLES AND ARE THEY DEFINED ? 3. WILL GROUPING OF VARIABLES REDUCE THE AMOUNT OF TESTING ? 4. WHAT APPARATUS IS REQUIRED ? 5. HOW WILL THE TESTS BE ORGANIZED ? 6. HOW WILL THE DATA APPEAR ON YOUR NOTES ? 7. HOW WILL THE RESULTS BE PRESENTED ? 8. WHAT DO THE RESULTS MEAN ? 9. IS THE TEST FINISHED ? 10.CONCLUSIONS ARE DRAWN AND RECOMMENDATIONS MADE 11. REPORT IS PREPARED