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Comparison of Pressure Drop and Cooling Duty of Ice Slurry with Chilled Water in a PHE PHE中冰浆与冷冻水的压降和冷却负荷比较
本研究报告了冰浆(绿色二次制冷剂)与冷冻水的冷却负荷和压降的实验比较。以冷冻水和冰浆为二次流体,在板式换热器(PHE)上进行了实验研究。丙二醇(PG)和单乙二醇(MEG)用作冰浆形成中的抑制剂(浓度分别为10%、20%、30%和40%)。结果表明,在板式换热器中使用冰浆代替冷冻水,冰浆的冷却负荷更高,压降略高。冰浆的冷却负荷随防冻液浓度的增加而增加,分别为10%、20%、30%和40%。通过在板式换热器中使用冰浆,发现10%冰晶PG冰浆在0.3m³/h(300 LPH)时的冷却负荷增加了50%,在3.0m³/h(3000 LPH)时增加了37%,在0.3m³/h时的压降增加了10%。 3立方米/小时(300英里/小时),在3.0立方米/小时(3000英里/小时)时增加7%。引用:2018年年度会议,德克萨斯州休斯顿,会议论文
The present study reports the experimental comparison of cooling duty and pressure drop of ice slurry (Green Secondary Refrigerant) with chilled water. Experiments were performed on plate heat exchanger (PHE) using chilled water and ice slurry as secondary fluids. Propylene Glycol (PG) and Mono Ethylene Glycol (MEG) are used as depressants (10%, 20%, 30% and 40% concentration) in ice slurry formation. The results show that By using ice slurry in place of chilled water in plate heat exchanger, cooling duty found to be higher and pressure drop is slightly higher in case of ice slurry. Cooling duty of ice slurry increases with increase in antifreeze concentrations 10%, 20%, 30% and 40%. By using ice slurry in plate heat exchanger cooling duty was found to increased by 50% at 0.3m3/h (300 LPH) and increased by 37 % at 3.0 m3/h (3000 LPH) of 10% ice crystal PG ice slurry and pressure drop increased by 10% at 0.3m3/h (300 LPH) and increased by 7 % at 3.0 m3/h (3000 LPH).
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