Research Article
Analysis of Heat Transfers inside Counterflow Plate Heat Exchanger Augmented by an Auxiliary Fluid Flow
Table 1
The used fixed dimensions and the properties of different substances.
| Property | Hot fluid | Cold fluid | Auxiliary fluid | Auxiliary fluid | Engine oil | Water | Air | Air |
| (°C) | 80 | 15 | 31.25 () | 47.5 ()
| ( kg−1 K−1) | 2132 | 4186 | 1007 | 1008 | ( m−1 K−1) | 0.138 | 0.595 | 0.0266 | 0.0278 | (kg m−1 s−1) | 0.0323 | | | | (kg m−3) | 852 | 999 | 1.228 | 1.101 | Dimension | Hot flow channel | Cold flow channel | Dimension and property | Pins | (mm) | 2 | 3 | (mm) | 2 | (mm) | 48 | 48 | ( m−1 K−1) | 401 | (mm) | 200 | 200 | (m s−1) | 25 | ( | | () | |
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