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Giannis CombeDanilo
DelgadoSara Patino
TEST RIG FOR TEMPERATURE AND
PRESSURE SENSORS
FIU DEPARTMENT OF MECHANICAL ENGINEERINGMiami, FL
OutlineProblem Statement
Project Description MotivationObjectives
Literature SurveyGlobal LearningSurvey of Related StandardsAlternative DesignsGantt Chart & Subdivision of ResponsibilitiesConclusion and Future Work
Problem Statement Design test fixture for sensor applications
corresponding to temperature and pressure Validate results
Motivation Provide HeartWare validity for their sensors
to be used in the medical field Provide a design that could be used by other
companies Ensure accuracy in closed-loop sensor
systems
Design Test Rig for Sensor of cylindrical shape Diameter: 7mm Length: 2mm
Collect experimental data at different: Pressures Temperatures
Create calibration table for air and liquid mediums Pressure range: -10 to 200mm Hg Temperature range: 20 to 60 ◦C
Support results with computational calculations Cost Analysis
Objective
Temperature Measurement• Thermocouple
• Resistance Temperature Detector
• DAQ
Results
• Temperature Sensors• MEMS Sensors• Sensor Calibration • Resistance Temperature Sensors
Sensors
Pressure Measurement• Potentiometric
• Resonant Wire
Results
Survey of Related Standards "Selection and Characterizing Weathering
Reference Materials“ ASTM G156, 2009• Weathering piece of reference material • Procedure taken inside Laboratory
“Test Method for Temperature Calibration of Dynamic Mechanical” ASTM E1867, 2013
• Temperature Calibration of Dynamic Analyzers from 150 deg. To 300 deg. Celsius
“Reporting Uncertainty of Test Results and Use of term Measurement Uncertainty” ASTM E2655, 2014• Importance of Uncertainty in Quantitative Results• Methods of expressing Test Result Uncertainty
Global Learning Material Compatibility in Multinational levelso Languages
Dimensions and Specifications to be converted to international measurement systems
o SI/ English Units
Environmental Aspects o Hazardous Wasteo Assurance of No Leakage o Equipment Materials
Gantt ChartTask Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
Selection of Project
Problem definition
Consideration of
Alterative Designs
Selection of final design
Manufacturing of Design
Testing
Production Calibration Table
Simulation
Evaluation
Final report
Subdivision of Responsibilities
Task Sara Patino Giannis Combe Danilo Delgado
Problem Definition
Time Management
Alternative Designs
Manufacturing
Testing
Solidworks Simulation
MatLab Simulation
Cost Analysis
Calibration Table
Alternative Designs
Alternative #1
• Dual Sensing Elements
• Sensor Sheath • Transmitter
Pressure Testing: Hydrostatic testing
Heartware Sensor Pressure Gauge
[4]
Alternative #2
Alternative #3
• Water circulation system• Variable pressure/ temperature
testing• Self-adjusting
Conclusion and Future WorkExperimental analysis for optimization of best
designManufacturing of Test RigGeneration of calibration table for temperature
and pressure rangesMatLab SimulationSolidworks Simulation
o Thermal Analysiso Static Analysiso Flow Analysis
Pressure and Temperature Sensor
Test Fixture
Giannis Combe
Sara Patino
Danilo Delgado
Problem Statement Design a test fixture to
calibrate sensors using a closed-loop system with input variables
Motivation Heartware will utilize the test
fixture in various sensor applications
The closed-loop system allows for pressure and temperature values to be entered and outputs reveal conclusions
Design Parameters Work with sensor of
Cylindrical shape with 2mm height and 7mm diameter
Must test efficiently under air and liquid mediums
Advisor: Nathalie Nunez
Design Objectives Create a test fixture for
pressure and temperature sensor applications
Develop a calibration table for a pressure range of -10mm Hg to 200mm Hg and temperature range of 20˚C to 40˚C
Perform simulation and computational analysis of test fixture functionality
Advisor: Dr. Sabri Tosunoglu
