Effects of thinner condenser technology on vehicle AC pull down performance

Paper #:
  • 2017-01-0166

Published:
  • 2017-03-28
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Abstract:
The effects of substituting a 12 mm thick subcool on top condenser in place of a 16 mm subcool on bottom condenser are evaluated in a vehicle level AC pull down test. The A to B testing shows that a thinner condenser with subcool on top exhibits no degradation in AC performance while resulting in a lower total system refrigerant charge. The results are from vehicle level tests run in a climatically controlled vehicle level wind tunnel to simulate an AC pull down at 43C ambient. In addition to cabin temperature and AC vent temperatures, comparison of compressor head pressures was also done. The conclusion of the study was that a standard 16 mm thick IRD condenser can be replaced by a 12 mm thick subcool on top IRD condenser with no negative effects on performance.
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