自然对流散热器为何在被动冷却中卷土重来?
自然对流散热器为何在被动冷却中卷土重来?

自然对流散热器正重新回到热管理领域的前沿,因为在AI驱动的电子设备要求更高效率、更低声学噪声的时代,它们提供了零维护、静音运行和绝对可靠性。对于连续热耗散低于25W的应用,设计良好的挤压或铲削铝制自然对流散热器可实现1.5°C/W至4.0°C/W的热阻,在没有单个运动部件的情况下即可媲美小型强制风冷单元的性能。这一转变...

是什么在推动电池储能系统中散热器的需求?
是什么在推动电池储能系统中散热器的需求?

电池储能系统(BESS)对散热器的需求激增,源于行业对更高能量密度和更快充放电速率的激进追求,这产生了前所未有的热负荷。热管理现已成为决定电池寿命、安全性和性能的最关键因素,锂离子电池温度每超过25°C升高10°C,其衰减速度就会加快一倍。因此,全球BESS热管理市场预计将从2023年的32亿美元增长至2030年的78...

冷却中的相变材料是什么?它们如何工作?
冷却中的相变材料是什么?它们如何工作?

相变材料(PCM)是在特定温度下发生固-液或液-固转变时吸收或释放大量潜热的物质,因此它们对于被动热管理非常有效。对于电子设备、电池组和工业机柜,PCM充当热缓冲器,在无源功耗的情况下,在较长时间内将组件温度维持在安全范围内。与仅扩散热量的传统散热器不同,PCM存储热能,转移峰值热负荷,并减小所需主动冷却系统的尺寸。潜...

冷却设计如何降低数据中心PUE与能源账单?
冷却设计如何降低数据中心PUE与能源账单?

数据中心PUE降低的直接答案是什么?冷却设计通过降低每单位IT负载所消耗的辅助电力来降低数据中心PUE(电能使用效率),现代优化系统可实现1.15或更低的PUE,而行业平均水平为1.57。对于一个10 MW的设施,这一差异按0.10美元/kWh计算,每年可节省约370万美元的电费。最有效的策略——冷热通道隔离、变频驱动...

散热器翅片间距:2025年自然对流与强制风冷的最佳翅片节距计算方法
散热器翅片间距:2025年自然对流与强制风冷的最佳翅片节距计算方法

CONTENT: # 散热器翅片间距:2025年自然对流与强制风冷的最佳翅片节距计算方法热管理是电子可靠性的无声守门员。元件结温每超过极限10°C,平均故障间隔时间(MTBF)通常会减半。然而,在我于东莞工厂从事功率电子、LED驱动器和电动汽车充电器CNC加工散热器二十年的经历中,我仍然看到工程师默认使用6 mm翅片节...


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