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Design and characterization of an additive manufactured hydraulic oil cooler

机译:添加剂制造的液压油冷却器的设计与表征

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A hydraulic oil cooler was fabricated from an aluminum alloy by selective laser melting. The plate-fin tube bank has special features, including non-circular, internally finned tubes, and external angled fins to allow flexibility in the printing process. The study demonstrates the capability to additively manufacture commercial-scale heat exchangers with intricate features. Heat transfer and pressure drop performance are characterized in a wind tunnel over a range of oil- and air-side flow rates for inlet temperatures representing high limits for a commercial hydraulic excavator. The data and results of a computational fluid dynamic model provide insight on the impact of features that are dictated by the manufacturing process on thermal and hydraulic performance.
机译:液压油冷却器由铝合金通过选择性激光熔化制成。板翅式管束具有特殊功能,包括非圆形,内部翅片管和外成角度的翅片,以在打印过程中提供灵活性。该研究证明了具有复杂功能的增材制造商业规模热交换器的能力。在风洞中,传热和压降性能的特征是,进气温度在油侧和空气侧的流速范围内,代表了商用液压挖掘机的高限值。计算流体动力学模型的数据和结果提供了对制造过程所决定的特征对热力和水力性能的影响的洞察力。

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