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基于乳腺解剖学结构和生理学特征,建立了适合应用于正常和嵌合肿瘤乳腺三维热传递的分析模型。该模型综合考虑了乳腺代谢产热、血液灌注和动静脉血管与乳腺组织之间的热交换等因素对温度场的影响。数值研究了正常和嵌合肿瘤乳腺的温度分布特征,着重分析代谢产热、血液灌注率、乳腺肿瘤的大小、位置与数目以及空气对流系数、环境温度等因素对乳腺温度分布的影响。结果表明:血液灌注率、代谢产热、乳腺肿瘤的大小、位置与数目对乳腺温度分布特征的影响明显;环境条件对嵌含肿瘤乳腺的体表温度分布影响较大。研究结果将有助于指导乳腺红外热图像的实验并为其定性分析提供重要的参考。
Based on anatomical and physiological features of the breast, an analytical model suitable for the three-dimensional heat transfer of normal and chimeric tumors was established. The model takes into account the breast heat metabolism, blood perfusion and arteriovenous and breast heat exchange between the factors such as the temperature field. The temperature distribution characteristics of normal and chimeric breast were numerically studied. The effects of metabolic heat production, blood perfusion rate, size, location and number of breast tumors, air convection coefficient and ambient temperature on breast temperature distribution were analyzed. The results showed that blood perfusion rate, metabolism and heat production, the size, location and number of breast tumors had significant effects on the distribution of breast temperature. Environmental conditions had a significant effect on body surface temperature distribution in breast cancer. The results will help to guide the experiment of breast infrared image and provide important reference for its qualitative analysis.