Site Map Portal Prof. Eduardo J. Stefanelli www.stefanelli.eng.br in English

## the Prof. Eduardo J. Stefanelli

- Curriculum Vitae do Prof.: Eduardo J. Stefanelli (still in Portuguese)
- About
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### metrology

- Download - Dial Indicator Millimeters and Inches
- Download - Ruler or Line Gauge in Millimeters, Fractional and Decimal Inches
- Download - Angle or Goniometer Protractor
- Download - Virtual Micrometer on Millimeter and Inches
- Download - Vernier Scale in Millimeter, Fractional and Milesimal Inch
- Download: Simulator of Vernier, Dial and Digital Calipers
- Exercises: Reading and Interpretation of a Dial Indicator
- Conceptual Map: Metrology
- Simulator, Graph Program and Self-Assessment Tolerances, Deviations and Fits - NBR 6158
- Metrology Workbook - Tolerances and Adjustements - ABNT NBR 6158 Charts
- Exercises - Millimeter Conversion to Fractional and Milesimal Inch
- Results - Millimeter in Fractional and Milesimal inch Conversion Exercises
- Exercises - Fractional Inch to Millimeters and Milesimal Inch Conversion
- Results - Fractional inch in Millimeter and Milesimal Inch Conversion Exercise
- Exercises - Milesimal inch to Millimeter and Fractional Inch Conversion
- Results - Milesimal Inch to Millimeter and Fractional Inch Conversion Exercise
- How to convert Decimal Degree to Degree, Minute and Second (° ' ")
- Calculate - Millimeter, Fractional inch and Milesimal Conversion
- Table of Fundamental Deviations to the Axis-Basis Tolerance - Standard ABNT NBR 6158
- Self-Assessment: Ruler or Line Gauge in Millimeter
- Exercises: Reading and Interpretation of Ruler or Line Gauge in Millimeter
- Commented Solution - Reading and Interpretation of Ruler or Gauge in Millimeter Exercises
- Self-Assessment: Graduated Ruler or Tenth Inch Gauge
- Exercise: Reading and Interpretation of Ruler or Tenth Inch Gauge
- Commented Solution: Reading and Interpretation of Ruler or Tenth Inch Gauge - Exercise
- Simulator - Use and Reading of Tenth Inch Ruler or Line Gauge
- Self-Assessment: Ruler or Line Gauge in Fractional Inch
- Exercise: Reading and Interpretation of Ruler or Line Gauge in Fractional Inch
- Solution of Graduated Ruler or Line Gauge in Fractional Inch Reading Exercise
- Simulator of Use and Reading of Ruler or Line Gauge in Fractional Inch
- Virtual Graduated Ruler - Simulator of Use and Reading of Line Gauge in Millimeter
- Table of Fundamental Deviations to Hole-Basis Tolerance - Standard ABNT NBR 6158
- Self-Assessment: Goniometer in Degree and Minute - Fiive Minutes Resolution
- Self-Assessment: Goniometer in Degree
- Simulator: Goniometer in Degree
- Virtual Goniometer in Five Minutes Degree Resolution (5')
- Self-Assessment: Goniometer in Degree and Minute - One Minute Resolution
- Simulator: Decimal Degree Goniometer - One Minute Resolution
- Simulator - Calipers - Goniometer in Degree
- Micrometer main parts
- Simulator - Inner Micrometer
- Self-assessment: Micrometer in Hundredth of Millimeter
- Use and Reading of the Micrometer in Hundredth of Millimeter
- Simulator - Virtual Micrometer in Hundredths Millimeter
- Exercises: Reading and Interpretation of Micrometer in Hundredth of Millimeter - 1
- Exercises: Reading and Interpretation of Micrometer in Hundredth of Millimeter - 2
- Exercises: Reading and Interpretation of Micrometer in Hundredth of Millimeter - 3
- Commented Solution of the Micrometer in Hundredth Millimeter Exercises - 1
- Commented Solution of the Micrometer in Hundredth Millimeter Exercises - 2
- Commented Solution of the Micrometer in Hundredth Millimeter Exercises - 3
- Self-Assessment Micrometer in Thousandth of Millimeter
- Virtual Micrometer - Thousandth Millimeter Simulator
- Exercises: Reading and Interpretation of Micrometer in Thousandth Millimeter - 1
- Exercises: Reading and Interpretation of Micrometer in Thousandth Millimeter - 2
- Exercises: Reading and Interpretation of Micrometer in Thousandth Millimeter - 3
- Commented Solution of Exercise: Reading of Micrometer in Thousandth Millimeter – 1
- Commented Solution of Exercise: Reading of Micrometer in Thousandth Millimeter - 2
- Commented Solution of Exercise: Reading of Micrometer in Thousandth Millimeter - 3
- Self-assessment: Micrometer in Tenths of Thousandths of Inch
- Commented examples of Micrometer in Tenths of Thousandths Inch Reading
- Exercises: Reading and Interpretation of Micrometer in Tenths of Inch - 1
- Exercises: Reading and Interpretation of Micrometer in Tenths of Inch - 2
- Exercises: Reading and Interpretation of Micrometer in Tenths of Inch - 3
- Commented Exercises Results - Reading Micrometer in Tenths of Thousandths of Inch - 1
- Commented Exercises Results - Reading Micrometer in Tenths of Thousandths of Inch - 2
- Commented Exercises Results - Reading Micrometer in Tenths of Thousandths of Inch - 3
- Micrometer in Inch Tenths of Thousandth - Use and Reading
- Simulator – Virtual Micrometer in Tenths of Thousandth of Inch
- Self-Assessment: Micrometer in Thousandth Inch
- Commented examples of Reading and Interpretation of Micrometer in Thousandth Inch
- Exercises Reading of Micrometer in Thousandth Inch - 1
- Exercises Reading of Micrometer in Thousandth Inch - 2
- Exercises Reading of Micrometer in Thousandth Inch - 3
- Commented Results of Exercises Reading of Micrometer in Thousandth Inch - 1
- Commented Results of Exercises Reading of Micrometer in Thousandth Inch - 2
- Commented Results of Exercises Reading of Micrometer in Thousandth Inch - 3
- Use and Reading of Micrometer in Thousandth Inch
- Virtual Micrometer - Thousandth of Inch Simulator
- Virtual Depth Micrometer - Hundredth Millimeter Simulator
- Use of the Micrometer
- Vernier Caliper - Construction Characteristics
- Virtual Vernier Caliper - Reading and Interpretation in Tenths of Millimeter Simulator
- Virtual Vernier Caliper - Two hundredths Millimeter Simulator - 0.02mm
- Virtual Vernier Caliper - Five Hundredths Millimeter Simulator- 0.05 mm
- Self assessment: Vernier Caliper in Millimeter 0.1mm
- Self Assessment: Vernier Caliper in Fractional Inch - 1/128"
- Self Assessment: Vernier Caliper in Thousandth inch 50 Divisions
- Self Assessment: Vernier Caliper in Thousandth inch 50 Divisions
- Simulator: Reading and Interpretation of Vernier Scale in Fractional Inch
- Virtual Vernier Scale in Milesimal inch 25 Divisions - Use
- Virtual Vernier Scale in Milesimal inch 40 Divisions - Use
- Virtual Vernier Scale in Milesimal inch 50 Divisions - Use
- Vernier Caliper Main Parts
- Virtual Digital Caliper in Millimeter - Use Simulator
- Virtual Digital Caliper - Fractional Inch 1/128 Simulator
- Virtual Digital Caliper in Thousandth Inch - Use and Reading Simulator
- Self-Assessment: Vernier Caliper in Millimeter 0.02 mm
- Self-Assessment: Vernier Caliper in Millimeter 0.05 mm
- Virtual Vernier Caliper - simulator in 0.02 Millimeter
- Virtual Vernier Caliper - simulator in 0.05 Millimeter
- Exercises: Reading and Interpretation of Vernier Caliper in Millimeter
- Exercises: Reading of Vernier Caliper in Hundredth Millimeter 0.02 mm - 1
- Exercises: Reading of Vernier Caliper in Hundredth Millimeter 0.02 mm - 2
- Exercises: Reading of Vernier Caliper in Hundredth Millimeter 0.02 mm - 3
- Exercises: Reading of Vernier Caliper in Hundredth Millimeter 0.05 mm - 1
- Exercises: Reading of Vernier Caliper in Hundredth Millimeter 0.05 mm - 2
- Exercises: Reading of Vernier Caliper in Hundredth Millimeter 0.05 mm - 3
- Exercises: Reading of Vernier Caliper in Decimal Millimeter - 1
- Exercises: Reading of Vernier Caliper in Decimal Millimeter - 2
- Exercises: Reading of Vernier Caliper in Decimal Millimeter - 3
- Vernier Caliper - Millimeter Exercise Solving
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter 0.02 mm - 1
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter 0.02 mm - 2
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter 0.02 mm - 3
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter 0.05 mm - 1
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter 0.05 mm - 2
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter 0.05 mm - 3
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter Decimal - 1
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter Decimal - 2
- Commented Solution: Reading Exercises of Vernier Caliper in Millimeter Decimal - 3
- Virtual Vernier Caliper – Fractional Inch Reading Simulator
- Vernier Caliper in Fractional Inch - Measurement Examples
- Exercises: Reading Vernier Caliper in Fractional Inch - 1
- Exercises: Reading Vernier Caliper in Fractional Inch - 2
- Exercises: Reading Vernier Caliper in Fractional Inch - 3
- Commented Solution: Vernier Caliper - Exercise in fractional inch - 1
- Commented Solution: Vernier Caliper - Exercise in fractional inch - 2
- Commented Solution: Vernier Caliper - Exercise in fractional inch - 3
- Exercises of Vernier Caliper in Thousandth Inch 0.001 - List 1
- Exercises of Vernier Caliper in Thousandth Inch 0.001 - List 2
- Exercises of Vernier Caliper in Thousandth Inch 0.001 - List 3
- Commented Solution: Reading of Vernier Caliper in Thousandth Inch Exercises - List 1
- Commented Solution: Reading of Vernier Caliper in Thousandth Inch Exercises - List 2
- Commented Solution: Reading of Vernier Caliper in Thousandth Inch Exercises - List 3
- Virtual Vernier Caliper - Milesimal Inch 25 Divisions Simulator
- Virtual Vernier Caliper – Milesimal Inch 40 Divisions Simulator
- Virtual Vernier Caliper – Milesimal Inch 50 Divisions Simulator
- Virtual Dial Caliper - One Hundredth of Millimeter - Simulator
- Self-Assessment: Dial Caliper – One Hundredth of Millimeter
- Simulator: Virtual Dial Caliper in Fractional Inch
- Self-Assessment: Dial Caliper in Fractional Inch 1/64"
- Self-Assessment: Dial caliper in Thousandth of Inch
- Simulator: Virtual Dial Caliper in Thousandth of Inch
- Understanding and Using the Fractional Inch Measurement
- Use of Vernier Scale in Fractional Inch - Measuring and Interpretating
- Conversion Spreadsheet - Transformation of Millimeter in Fractional and Milesimal Inch
- Dial Indicator Components
- Self-Assessment Dial Indicator in Hundredth of Millimeter (0.01 mm)
- Self-assessment: Dial Indicator in Thousandth of Inch (0.0001 in)
- Virtual Dial Indicator, Simulator of Preload, Use and Reading
- Dial Indicator with Realistic Course of 10mm Simulator
- Solution of Dial Indicator Reading and Interpretation Exercises
- Virtual Dial Indicator, Simulator in Hundredths of Millimeter
- Virtual Dial Indicator - Simulator of Use in Thousandth Inch
- Table of Conversion between Millimeter, Fractional Inch, Thousandth Inch and Foot
- Table with Numerical Values of Degrees of Tolerance - IT - Standard ABNT NBR 6158
- Conversion from Millimeter to Fractional and Milesimal Inch - Calculation and Chart's Interactive Program
- Virtual Triple Beam Balance - Simulator
- Study guide – Fractional and Millesimal Inch
- Use of the Vernier Caliper - Four-Dimensional
- Commented Examples of Micrometer Reading in Hundredths Millimeter
- Commented Examples of Micrometer Reading in Thousandths Millimeter

### automotive

- Carburator Operation - Animation
- Carburator and Engine - Speed Increase
- Carburator - Auxiliary System of Rapid Acceleration
- Carburetor - Auxiliary System of Economic Range
- Carburator - Auxiliary Low Gear System
- Carburator - Maximum Power Auxiliary System
- Carburator - Cold Start Auxiliary System (Choke)
- Carburetor - Progression Auxiliary System
- Cardan Shaft - Universal Joint and Sleeve Ferrule Stepper
- Cardan Joint - Universal Joint - Shaft Cross and Yoke
- Cardan Shaft - Sleeve and Ferrule Stepper
- Interactive Automotive Animations Download
- Four-stroke, Fuel Injection Motor - Diesel Cycle
- Four-stroke Spark Motor - Otto Cycle
- Four-stroke Diesel Fuel Injection Motor
- Comparison of Diesel Cycle and Otto in Four-Stroke Motor

### thermodynamics

- Boyle's Law - Animation
- Thermodynamic Diesel Cycle - Animation
- Thermodynamics - Transport Phenomena - Basic Workbook
- Gay-Lussac's Law - Animation
- Thermodynamic Otto Cycle - Animation
- Temperature in which Celsius and Fahrenheit Scales Coincide
- Pressure variation by volume change - Simulator
- Download - Thermodynamics Interactive Animation
- Simulator - Thermodynamic Transformations
- Thermodynamic Transformation Simulator - Teacher's Guide

### fuel cell

- Fuel Cell - clean energy - hydrogen
- Fuel Cell PEMFC Electric Power from Hydrogen
- Fossil or Mineral Fuel - Hydrocarbons
- Hydrogen as Fuel
- Water Molecule - Animation
- Fuel Cell - Clean Energy - Hydrogen

### demos

- Demonstration of the Educational Program Geometric Design in Multimedia
- Geometric Design in Multimedia - The Encyclopedia of Geometric Design
- Geometric Design in Multimedia - Virtual Clipboard
- Geometric Design Interaction in Multimedia - Hot Interface Areas
- Geometric Design in Multimedia - The Game
- Geometric Design in Multimedia - Program Structure
- Demo of the Educational Program "The Waiter and the Art of Good Service"
- The Waiter and the Art of Good Service - Mise-en-place
- Demonstration of the 'Front Desk' Educational Program - How to Receive a Guest at a Hotel's Front Desk
- Demonstration of the Presentation to Support the Performance of Speaker Projeto Joaninha
- Greenhouse Gas Reduction by Utilizing Landfill Gas Using Solid Oxide Fuel Cells

### drawing

- Free Download - Geometric Design in Multimedia - Geometry CD-Rom
- Orthographic Projections - Orthogonal Representations - Animation
- Orthogonal Projection - Orthographic Representations - Step by Step 1
- Orthogonal Projection - Orthographic Representations - Step by Step 2
- Orthogonal Projection - Orthographic Representations - Step by Step 3
- Download - Orthogonal Projections Presentation
- Ellipse - Conic Section - Educational Animations
- Hyperbole - Conic Section - Educational Animations
- Parable - Conic Section - Educational Animations
- Bisector of an Angle with Ruler and Compass
- Straight lines with an Angle of 30º with the Aid of a Pair of Set Squares
- Straight lines with an Angle of 45º with the Aid of a Pair of Set Squares
- Straight lines with an Angle of 60º with the Aid of a Pair of Set Squares
- Parallel Lines with the Aid of a Pair of Set Squares
- Perpendicular Lines with the Aid of a Pair of Set Squares

### computing

- Computing - Class Note: Basic Concepts of Data Processing and Computing
- Basic Computing - Introduction
- Calculation of Function Zeros by Bhaskara

### articles

- Collaborative Computing Environments in Teaching / Learning Geometry: Efficiency and Difficulties
- Nonlinear Navigation in Movies with Flowchart Aid
- The Use of Multimedia for Teaching Geometric Design
- Interactive Hypermedia Programs in Hotel Service Professionals Training
- The Importance of the Graphic Designer in Distance Education
- Letter to the Chief Editor of ABED Electronic Journal - Eduardo J. Stefanelli
- Multimedia - Basic Text
- Pedagogical Interaction: Reflections on "Design" - Graphic and Instructional - as agents of "dialogue" mediated by computer interfaces
- Reflecting: Manual Design vs. Computer Design
- Environmental, financial and energetic feasibility of the electrolysis of the water steam of the IV generation nuclear reactor coolant on the moments of low use of electric energy: challenges and perspectives.
- Reverse Engineering: Discussion about its Validity and Legality