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1. Introduction

ABET accreditation criteria requires undergraduate engineering programs to prepare

students with “an ability to design and conduct experiments, as well as to analyze and interpret

data”, and mechanical engineering curriculums to “require students to apply principles of

engineering, basic science and mathematics”, and “prepare students to work professionally in

both thermal and mechanical systems.” (ABET, 2012)

The Engineering Experimentation course at WPI is designed to “develop analytical and

experimental skills in modern engineering measurement methods, based on electronic

instrumentation and computer-based data acquisition systems” (WPI, 2012). The lectures address

topics in engineering analysis and design, and the principles of instrumentation. (WPI, 2012)

It is the common understanding that the current laboratories in the WPI Engineering

Experimentation course can benefit from further efforts of improvement. Two existing laboratory

experiments from the Engineering Experimentation curriculum are selected as targets of

improvement: the Pressure Measurement Laboratory and the Vibration Measurement Laboratory.

The Pressure Measurement Laboratory performs characterization of internal pressure in

soda cans by measurements of strain, and conducts uncertainty analysis of characterized internal

pressures. (Furlong, Lab: Strain and Pressure Measurement, 2013) The Vibration Measurement

Laboratory determines the vibration amplitude, velocity, and acceleration, determines natural

frequencies and damping characteristics, and estimates elastic modulus of the cantilever used.

The results are then compared with analytical and/or computational models, uncertainty analysis

is then performed. (Furlong, Lab: Vibration Measurement, 2013)

This project aims at improving the laboratories by updating the instructive materials and

experiment equipment. The experiment designs will remain unaltered, suggestions for expanding

the experiment designs are included for future reference. The aspects for improvement include:

 Educational Value.

Provided instructive materials and equipment should assist the students to meet

the defined objectives of the laboratories, and gain critical understanding of the physical

phenomenon, experimentation concepts, instrumentation principles, and data analysis

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Vishay 2310 Guía de usuario Pagina 8