2021 Capstone Group 20

     There's been an additional 5 tests the team has conducted since our last blog entry. In our 5th test, we configured our Peltier devices to run at 8.0 volts, 6.5 Amps and 7.5 volts, 5.0 Amps, respectively. Figure 1 below shows the results of this test, where lowering the amps resulted in an overall improvement in cooling our main loop by only slightly increasing the temperature of the radiator loop. For this test we applied a heat load to the main loop to simulate the heating effect produced by a person. This was done by connecting a 2 ft section of copper pipe to the main loop and submerging it in a large volume of 20 C water. This applied a heat load of approximately 4-5 W on 0.12 L of liquid which is about 2-3x the heating amount our final system will receive during operation since our final system will contain more liquid. Figure 1: Cooling the main loop with a heat load applied      The rest of the tests we conducted, Test 6 thru Test 9, were run a...