Handheld Flow Calibrator Progress Report MAE 126B | Project E5 May 31 st, 2013 Jonathan Ma, Yung Nguyen, Mario Zuniga presented by Project Advisor | Craig Corrigan Course Advisor | Jan Kleissl Project E5 | Handheld Flow Calibrator

Project Objectives & Progress Summary PROJECT DESCRIPTION Project E5 | Handheld Flow Calibrator OBJECTIVES Develop a cost-effective and highly accurate low flow calibrator that utilizes two separated methods to measure mass flow rate and volumetric flow rate. “JYMeter” JYMeter Abs. Pressure Absolute Pressure Sensor Density Temperature, Humidity, Volumetric Flow Rate Differential Pressure Mass Flow Rate Volumetric Flow Rate (from DP) * density Mass Flow Rate Sensor

Project Tasks Project E5 | Handheld Flow Calibrator 1. Research Volumetric flow methods Mass flow methods 2. Calculation & Engineering Design 3. Hardware & Fabrications 4. Calibrate the calibrator Estimate the appropriate size materials Understanding resolutions and analog signals communication 1.Integrate DP Sensor, Mass flow, Humidity 2.Integrate Temp & Abs. Pressure Sensor 3.Oversampling Programming 4.Conditioning the tubes 5.Finding appropriate Length 6.Put everything into photoboard 1L/Min Flow 1.Perform Procedures 1.1 & 1.2 (Basic Calibration) 1.DP 2.Mass Flow 3.Temperature, Humidity 4.Abs. Pressure

Research| Numerical Analysis Project E5 | Handheld Flow Calibrator VOLUMETRIC FLOW RATE : DIFFERENTIAL PRESSURE METHOD Laminar Flow Element Poiseuille Equation Source: obtain calibration equation from calibration experiment

Design | Numerical Analysis Project E5 | Handheld Flow Calibrator VOLUMETRIC FLOW RATE : DIFFERENTIAL PRESSURE METHOD Poiseuille Equation Source: Low Flow Rate (1 L/min) Calculation – Single Tube Higher Flow Rate (10 L/min) Calculation – LFE Model

Research |Numerical Analysis Project E5 | Handheld Flow Calibrator MASS FLOW METHOD: CONSTANT TEMPERATURE DIFFERENTIAL Source: } m* (mass flow rate) Mass Flow Meter  No calculation  Mainly Calibrations

Prototyping| Fabrication Progress Project E5 | Handheld Flow Calibrator From Midterm Report| Initial Concept Design Initial Concept Design

Prototyping| Fabrication Progress Project E5 | Handheld Flow Calibrator Final Protoboard Design

Prototyping| Fabrication Progress Project E5 | Handheld Flow Calibrator A Closer Look

Prototyping | Fabrication Progress Project E5 | Handheld Flow Calibrator SOFTWARE : OVERSAMPLING Displays: Average of 50 readings for noise reduction Average of entire run for data analysis Using Method of Weighted Averages

Experiment | Calibration Experimental Set-Up Project E5 | Handheld Flow Calibrator

Experiment | Calibration Set-Up Project E5 | Handheld Flow Calibrator

Experiment| Preliminary Tube Set-Up Project E5 | Handheld Flow Calibrator

Experiment | Preliminary Calibrations Project E5 | Handheld Flow Calibrator Volumetric Flow Rate: Calibration For Differential Pressure Sensor Source: I&EC Fundamentals, Vol 6, No.4

Experiment | Preliminary Calibrations Project E5 | Handheld Flow Calibrator Mass Flow Rate: Calibrating Mass Flow Sensor Source: I&EC Fundamentals, Vol 6, No.4

Experiment | Preliminary Calibrations Project E5 | Handheld Flow Calibrator Mass Flow Rate: Calibrating Mass Flow Sensor Source: I&EC Fundamentals, Vol 6, No.4 Summary of Findings During Calibration Offset due to the pump, not as efficient. Temperature of the air changes.

Project Management & Work Schedule Project E5 | Handheld Flow Calibrator WeekProjected Tasks from the BeginningTasks 1Microcontrollers & Volumetric & Mass Flow Research 2Setting up the Arduino & Sensor Characteristic Research 3Numerical Analysis of Device Components (non-sensor related) 4Initial Concept Design & Sensor Integration 5Prototyping Calibrator for Experimental Data Input/Output Programming Prototyping ((Received Basic Arduino Stuff + Windsesnor), Stock Room Shopping Trip #1 6Functionality TestingPrototyping (Waiting for Craig or order DP&Mass flow sensor) 7Enclosure IntegrationPrototyping / Craig asked for re-design of 10L/min. 8Competitive Comparison with Gilibrator Prototyping (Waiting for McMaster Order), Stock Room Shopping Trip #2, Craig gave us Gilibrator, Began Calibration Test Run 9Altitude TestingPrototyping (Waiting for Sparkfun & Digikey final order), Calibrated DP & Mass Flow, Fabrication All Connections 10EvaluationFinish prototype + last calibration experiment + Enclosure

Remaining Project Tasks Project E5 | Handheld Flow Calibrator 1. Research Volumetric flow methods Mass flow methods 2. Calculation & Engineering Design 3. Hardware & Fabrications 4. Calibrate the calibrator Estimate the appropriate size materials Understanding resolutions and analog signals communication 1.Integrate DP Sensor, Mass flow, Humidity 2.Integrate Temp & Abs. Pressure Sensor 3.Oversampling Programming 4.Conditioning the tubes 5.Finding appropriate Length 6.Put everything into photoboard 1L/Min Flow 1.Perform Procedures 1.1 & 1.2 (Basic Calibration) 1.DP 2.Mass Flow 3.Temperature, Humidity 4.Abs. Pressure

THE END. Questions? Project E5 | Handheld Flow Calibrator Assignments Research Hardware & Components - Jonathan Mass Flow Methods - Mario Volumetric Flow Methods – Yung Prototyping Programming – Mario/Jonathan Numerical Analysis – Yung Circuit Set-Up – Mario/Jonathan Fabrication – Team Calibration – Team Gilibrator Operation Data Analysis Testing & Turning