Abstract
There was developed and build stand for the study of static and dynamic thermal parameters of Li-ion batteries cooled by air flow with up to 80 m/sec rate and in the temperature range from −20°C to +50°C. Air flow is produced by air station with maximum possible pressure drop up to 7000 Pa and applied air can flow in both directions. There is presented the design of the stand and experimental chamber. We studied battery cooling efficiency with the round half sphere surfaces depending on the air flow rate and temperature. The data from sensors placed on the imitator surface was transferred to computer through the 80 channel DAQ (Data Acquisition) PC card, 4 analog switchboards were collected by Lab View DAQ package. We obtained temperature map for such surfaces for the incoming temperature range 10-40°C and air flow up to 2.4 L/sec. The experimental results were compared to the computer simulation using Solid Works Flow Simulation software.
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