Experimental Course Design of Heat Conduction Based on Multiple Heat Transfer Modes

样品材料	$Φ$ /W	相对测量法 $λ$ / [W·（m∙K）⁻¹]	绝对测量法 $λ$ / [W·（m∙K）⁻¹]	理论值 $λ$ / [W·（m∙K）⁻¹]	相对测量法相对误差/%	绝对测量法相对误差/%
铝合金	15	166.3	168.7	162.9	2.09	3.56
	20	167.9	174.3	163.4	2.75	6.67
	25	169.2	175.1	163.7	3.36	6.96
	30	169.8	177.4	164.2	3.41	8.03
	40	170.4	182.3	165.2	3.15	10.40
	50	172.3	184.9	166.7	3.36	10.90
	60	173.5	187.2	167.9	3.33	11.50

Table 2. [in Chinese]

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Table 2. [in Chinese]

样品材料	$Φ$ /W	实验值 $λ$ / [W·（m∙K）⁻¹]	理论值 $λ$ / [W·（m∙K）⁻¹]	测量相对误差/%
空气	20	0.0274	0.0263	4.18
	40	0.0288	0.0271	6.27
	60	0.0302	0.0278	8.63
蓖麻油	50	0.1910	0.1800	6.11
	70	0.1950	0.1800	8.33
	90	0.1970	0.1800	9.44

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Wenting XING, Yongfeng DAI. Experimental Course Design of Heat Conduction Based on Multiple Heat Transfer Modes[J]. Experiment Science and Technology, 2025, 23(3): 7

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Paper Information

Category: Experimental Teaching and Teaching Experimental

Received: Feb. 22, 2024

Accepted: May. 7, 2024

Published Online: Jun. 9, 2025

The Author Email: Wenting XING (14312585@qq.com)

DOI:10.12179/1672-4550.20240065

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology