![5.2.3 Influence of soil burial](https://imgs.zsbeike.com/imgs/K/K09534/k09534.0128.0[32329f4990ff].jpg)
 Flowlinesarenormallyburiedintosoilbothtoimprovetheinsulationpropertiesandtoprovidemechanicalprotection.Thisgivesextracontributiontotheinsulationsothatthetotalheattransfercoefficientcanbeexpressedas:wherezistheburialdepthtothepipecentre. (共 236 字) [閱讀本文] >>