P16486: Test Rig to Characterize Biochar Housing Materials
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Customer Handoff & Final Project Documentation

Table of Contents

Team Vision for Final Demo and Handoff

Test Results Summary

In calibrating the heat transfer model, Owen’s Corning R250 Insulation was made into a cylinder and implemented into the system. This R250 insulation has a characteristic R value of R5 per inch, so with a thickness of 1.4 inches, the expected R value would be 7. The actual R value received was approximately 6.9.
Knowing that the R value of high end concrete is 1.5, biochar was found to be 1.7 and therefore a better insulator.
In testing for changes in relative humidity, the interface asks for you to set your desired level of ambient humidity (~90%). Once the ETC reaches the desired level, the test initiates and runs for approximately 2 hours.

Risk and Problem Tracking

Final Project Documentation

Recommendations for future work

Plans for Wrap-up

In the coming week, the team plans to put all final touches on the ETC and ultimately handoff to our customer, Kathleen Draper. With this, we plan to have a user manual for use of the interface and microcontroller as well as a short article on the project for the Ithaka Insitute.

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