45JOHNSON CONTROLS
FORM NO.: 6U6K-B01E-NB-EN
SECTION 5 – TECHNICAL DATA
OPERATIONAL LIMITATIONS
HEAT EXCHANGER PRESSURE DROP
Notes
1.Pressure Drop is the total water resistance across BPHE and water piping;
2.In Correlations, x represents Flow Rate in L/s, and y represents Pressure Drop in kPa.
FIGURE 25 – HEAT EXCHANGER PRESSURE DROP CURVE
OPERATIONAL LIMITATIONS
HEAT EXCHANGER PRESSURE DROP
YMAA/YMPA
PRESSURE
DROP CURVE
CORRELATION
0045 A y = 1.4169*x^3 - 2.7902*x^2 + 18.488*x - 9.0295
0065 B y = 0.1071*x^3 + 1.3526*x^2 + 4.525*x - 3.4853
0080 C y = -0.1316*x^3 + 3.4848*x^2 - 6.0541*x + 7.4083
0100 D y = -0.1233*x^3 + 2.6949*x^2 - 4.8171*x + 5.4692
0130 E y = -0.0589*x^3 + 1.8285*x^2 - 3.8203*x + 6.6512
0160 F y = 0.0117*x^3 + 0.0583*x^2 + 2.7108*x - 5.8985
0200 G y = -0.0041*x^3 + 0.4305*x^2 - 0.4644*x + 2.9758
0230 H y = 0.0065*x^3 + 0.0985*x^2 + 2.5877*x - 7.5858
0260 I y = 0.0004*x^3 + 0.2096*x^2 + 0.5379*x - 1.1606
Cooke Industries - Phone: +64 9 579 2185 Email: sales@cookeindustries.co.nz Web: www.cookeindustries.co.nz
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