The angle of the plate affects the heat transfer effect

One of the main methods to improve the K value of marine plate heat exchanger is to improve the degree of fluid disturbance on the surface of the heat exchanger. The plate plate of ship plate heat exchanger is usually processed with corrugated board. The herringbone angle has a great influence on the heat transfer and fluid resistance. The large heat transfer coefficient and the fluid resistance of the herringbone plate are large, and the heat transfer coefficient and the resistance of the plate are small, as shown in the chart.
                       
   

The corrugated heat transfer effect map shows that 120 degree angle of herringbone is best, the angle is smaller or larger, the heat transfer efficiency will be low, the central cooler and the jacket water cooler usually adopts 120 degree angle to achieve the herringbone plate, the maximum heat transfer effect.

In the marine oil cooler, because the viscosity of the oil is higher than the viscosity of the water, if the full use of 120 degree angle of the plate will cause large fluid resistance, and low heat transfer coefficient of the small angle plate of 60 degrees. Therefore, oil coolers often use 2 plates in the mixed way, make full use of allowable pressure drop conditions, this is called heat mixed design, the heat exchange area can achieve optimal effect.

Each plate of AI Reed has at least two plates, and the heat transfer and pressure drop of the heat exchanger can be integrated by using the technology of thermal mixing. The inner bypass, the double channel technology and the unequal flow cross section assembly provide the perfect solution for the two sides of the medium flow rate difference. ARD plate heat exchanger has AB series, AM series, AL series, AP series, AS series, such as several large series of more than one hundred kinds of plates. Various models have deep ripple, shallow ripple, large angle, small angle, fully meet the needs of different users, special conditions can be designed and manufactured according to user needs.