P17483: Solar Transpired Collector Crop Dryer
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Subsystem Build & Test

Table of Contents

Team Vision for Subsystem Level Build & Test Phase

In continuation of the testing phase, group P17483 has produced results for Tray Pack testing and initial results for Collector testing. The results were conducted under conditions available in Rochester during the month of February and were interpolated and compared to results in a Matlab and LabView Model. Communication with our customer has indicated that we should be prepared for interface challenges, pressure drops, and decreased airflow. These suggestions will be taken into account as we approach the next subsystem integration phase.

The project goals for this phase is to accomplish subsystem assembly and testing of tray packs and the collector.

Collective Test Plan Document and Complete Schedule

Testing

Tray Pack Subsystem Testing: P17483 has designed a temporary enclosure for one third of the tray packs out of cardboard. The intention of this test is to imitate the chamber and the warm air flow through the chimney of the actual system. This test was conducted using an air compressor and heater in the Dr. Steven’s laboratory. The following information highlights the construction, assembly, test preparation, and results of the tray pack testing.

Partial Collector Subsystem Testing P17483 has constructed half of the collector setup out of the actual wood materials that will be used in the final subsystem. The collector has 1 tarp attached to the front with quarter inch holes spaced 1 inch apart. The back side of the collector has corrugated sheet metal attached, and other materials or layering may eventually be considered if airflow increases. On February 20, 2017 the sun was brightly shining and conditions were favorable for full collector testing. The following shows the setup and collection. The test plans Excel document highlights the details of the test plans, results, and raw data.

Making the pack support structure out of cardboard pieces

Making the pack support structure out of cardboard pieces

Test Preparation

Preparing for the Tray Pack Testing
Making the pack support structure out of cardboard pieces

Making the pack support structure out of cardboard pieces

Preparing 22 pounds of bananas for the two pack tray test

Preparing 22 pounds of bananas for the two pack tray test

Evenly distributing the bananas across the trays

Evenly distributing the bananas across the trays

Assembling the loaded tray packs

Assembling the loaded tray packs

Preparing for Collector Testing

Assembling the loaded tray packs

Assembling the loaded tray packs

Transfer of Test Equipment from Dr. Steven's current collector to P17483 Collector

Transfer of Test Equipment from Dr. Steven's current collector to P17483 Collector

February 20th Collector Testing

February 20th Collector Testing

Test Results Summary

Tray Test Summary Data

Tray Test Summary Data

Tray Test Summary Data (2 day test)

Tray Test Summary Data (2 day test)

Instructions

  1. Evaluate how well the test plan was able to confirm satisfaction of subsystem requirements
  2. Include snapshot of testing completed to date, and include link to live requirements and testing document

Risk and Problem Tracking

Functional Demo Materials

Plans for next phase

Upcoming Plans Weeks 5-8

Upcoming Plans Weeks 5-8


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