用于精确LED灯热建模的材料热参数的原位测量

19th International Workshop on Thermal Investigations of ICs and Systems (THERMINIC) Pub Date : 1900-01-01 DOI:10.1109/THERMINIC.2013.6675206

M. Vellvehí, X. Perpiñà, X. Jordà, R. Werkhoven, J. Kunen, J. Jakovenko, P. Bancken, P. Bolt

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引用次数: 1

摘要

这项工作涉及LED灯精确热建模的关键热参数的提取:灯周围的空气交换系数，所有灯部件的发射率和导热系数。作为一个案例，介绍了一种8W的改装灯。为了评估模拟结果，通过红外热成像和热电偶监测特定位置来监测灯上的温度。实验与仿真结果的差异均在15%以下。

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In-situ measurements of material thermal parameters for accurate LED lamp thermal modelling

This work deals with the extraction of key thermal parameters for accurate thermal modelling of LED lamps: air exchange coefficient around the lamp, emissivity and thermal conductivity of all lamp parts. As a case study, an 8W retrofit lamp is presented. To assess simulation results, temperature is monitored on the lamp by infrared thermography and by monitoring specific locations with thermocouples. As a result, experimental and simulation results show differences below 15%.

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来源期刊

19th International Workshop on Thermal Investigations of ICs and Systems (THERMINIC)

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