Sugar Tech (Jan - Mar 2017) xx(x):xx-xx 1

RESEARCH ARTICLE: Supplementary Material

Heat Pump for Energy Efficient Sugarcane Juice Freeze Pre-concentration

FIGURES

Fig.2:Sucrose-Water Phase Equilibrium Diagram

(Mathlouthi and Reiser1995)

Fig.4:Thermal Mass and Other Parameters for Different Tube Sizes

Fig.5:t-s and p-hDiagram for FPCS with R290 as Refrigerant

Fig.6:Heat Balance in Freeze Pre-concentration Sysetm

1Sugar Tech (Jan - Mar 2017) xx(x):xx-xx

TABLE

Table 3: State Point Data for Two-Stage Heat Pump Cycle for FPCS

LL_HE / SP / # / Unit / CJWH / SP / # / Unit
mfrj.ll_he.i / 1 / 26.4 / g/s / mfcj.cjwh.i / 6 / 13.2 / g/s
trj.ll_he.i / 1 / 27.0 / oC / tcj.cjwh.i / 6 / 25.5 / oC
trj.ll_he.o / 2 / - 1.5 / oC / tcj.cjwh.o / 7 / 32.3 / oC
Qrj.ll_he / 1-2 / 2.77 / kW / tcw.cjwh.i / 9 / 25.5 / oC
mfcj.lhe.o / 4 / 13.2 / g/s / tcw.cjwh.o / 10 / 32.3 / oC
tcj.ll_he.i / 5 / -1.5 / oC / Qcj.cjwh / 6-7 / -0.29 / kW
tcj.ll_he.o / 6 / 25.5 / oC / Qcw.cjwh / 9-10 / -0.38 / kW
Qcj.ll_he / 5-6 / -1.30 / kW / HP Compressor
mfcw.lhe.o / 4' / 13.2 / g/s / We.cmp.hpc.i / h-i / 0.097 / kW
tcw.lhe.i / 8 / 0.0 / oC / COPc.2stg / 5.85
tcw.lhe.o / 9 / 25.5 / oC / Rp.hpc / 2.3
Qcw.lhe / 8-9 / -1.47 / kW / mfr.hpc / h / 1.8 / g/s
tr.lpc.o / i / 45.1 / oC
tr.cnd.o / j / 33.8 / oC
LHE1 (Evaporator) / LP Compressor
mfrj.lhe.i / 3 / 26.4 / g/s / Wcmp.lpc.i / a-b / 0.32 / kW
mfcw.lhe.o / 4 / 13.2 / g/s / COPc.r / 16.4
mfcj.lhe.o / 4 / 13.2 / g/s / Rp.lpc / 1.4
tcw.lhe.i / 3 / -1.5 / oC / mfr.lpc / a / 14.7 / g/s
tcw.lhe.o / 4 / -4.6 / oC / tr.lpc.o / c' / 8.6 / oC
tcj.lhe.i / 3 / -1.5 / oC / LHE2 (Condenser)
tcj.lhe.o / 4 / -4.6 / oC / mfcw.lhe.o' / 4' / 13.2 / g/s
tr.lhe.evp / c / -7.7 / oC / tcw.lhe.i' / 3' / -4.6 / oC
Qcw.lhe / 3-4 / 4.43 / kW / tcw.lhe.o' / 4' / 0.0 / oC
Qcj.lhe / 3-4 / 0.15 / kW / Qice.sen.lhe' / 3'-4' / -0.13 / kW
Qamb.hg / 3-4 / 0.16 / kW / Qcw.lhe' / 3'-4' / -4.43 / kW
Qth.cyc / 3-4 / 0.48 / kW / Qth.cyc / 3-4 / -0.48 / kW
pr.lhe.evp / c / 3.7 / bar / tr.lhe.cnd / c' / 3.0 / oC
xr.lhe.evp.i / c / 6.9 / % / pr.lhe'.cnd / c' / 5.2 / bar
hr.lhe.evp / c / 207.5 / kJ/kg / xr.lhe.cnd.o / d’ / 10.5 / %
hr.lhe.evp / d / 566.3 / kJ/kg / hr.lhe.cnd / c' / 588.1 / kJ/kg
hr.fg.lhe.evp / c-d / 358.7 / kJ/kg / hr.lhe.cnd / d' / 246.5 / kJ/kg
Qr.lhe.evp / c-d / -5.28 / kW / hr.fg.lhe.cnd / c'-d' / 341.6 / kJ/kg
ρr.v.lhe.evp / a / 8.3 / kg/m3 / Qr.lhe.cnd / c'-d' / 5.04 / kW
Energy Balance on Refrigerant Side
Qr.in = Qr.lhe.evp +We.cmp.lpc.i+We.cmp.hpc.i= -5.70 kW
Qr.out= Qr.lhe.cnd +Qh.2stg = 5.70 kW
Energy Balance on Solution Side
Qss.in = Qrj.llhe.12+ Qtot.lhe.34 + We.cmp.lpc.i+ We.cmp.hpc.i=7.97 kW
Qss.out=Qtot.lhe.3’4’ +Qcj.llhe.56 + Qcw.llhe.89 +Qh.cjwh= -7.96 kW