mI-PIV

Mobile Instructional Particle Image Velocimetry (mI-PIV) is an educational Android application that teaches users about fluid mechanics through real-time experiments and curricular modules.

The goal of mI-PIV is to promote and cultivate interest, active engagement, and 21st century skill development within STEM areas through the development, implementation, and dissemination of a low cost, mobile learning tool based on particle image velocimetry.

Status

Investigators

Dr. Angela Minichiello, P.E., Assistant Professor, Dept. of Engineering Education, Utah State University

Dr. Vladimir Kulyukin, Associate Professor, Dept. of Computer Science, Utah State University

Dr. Tadd Truscott, Associate Professor, Dept. of Mechanical and Aerospace Engineering, Utah State University

Graduate Research Assistants

Aditya Bhouraskar, Lori Caldwell, Jack Elliott, Sarbajit Mukherjee, Kristoffer Price

Undergraduate Research Assistants

Kevin Roberts

Funding

Office of Naval Research, United States Department of the Navy

APK Installation

Google Play Store

The app is now available on Google Play Store! You can install it here.

Manual Installation

A video walk-through is available to download here.

The easiest method of manually installing the APK package is to use the phone's browser:

• Go to github.com/mI-PIV/app/releases
• Click the Assets drop-down menu from the top (most recent) release
• Click on the file that ends with {filename}.apk (example mIPIV_0.03.apk)
• "Do you want to keep {filename}.apk anyway?" Select OK
• When the APK is done downloading, click "Open"

Older versions of the app may not be signed and you may see:

• "Your phone is not allowed to install unknown apps..."

  • Click "Settings"
  • Toggle "Allow from this source"
  • Go back

• If you are updating mI-PIV, you will see a prompt asking if you want to update

  • Click "Install"

• Blocked by Play Protect

  • Click "Install Anyway"

User Guide

Experiment Pipeline

Video

Recording a video

Selecting a video

Frame Extraction

mI-PIV saves all extracted video frames in the App's data directory. To view the frames of a specific video, the path will look something like ...Android/data/com.onrpiv.uploadmedia/files/miPIV_{username}/ExtractedFrames/Frames{number}/.

Selecting frames

PIV parameters

Saved experiment data

mI-PIV saves all experiment data and experiment parameters in the App's data directory. To get to a specific experiment, the path will look something like ...Android/data/com.onrpiv.uploadmedia/files/miPIV{username}/Experiments/Experiment{number}/.

Curricular Modules