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A bench evaluation test for refrigeration oils in a refrigeration system using a screw compressor

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Figure

Table 1. Coefficients a and b for Equation (1).
Figure 1three loops, being the refrigerating system loop, the regeneration loop, and the oil circulation loop
Figure 1. Figure 1.A schematic diagram and a picture of the test bench.  A schematic diagram and a picture of the test bench.
Figure 2. Discharge temperature of the compressor and refrigeration capacity of the system during the 500 h of operation (Oil A, mature synthetic oil; Oil B, newly developed synthetic oil; the vertical lines are the error bars)
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