冷缠翅片管加热器传热强化初探玄哲浩，高青，崔淑琴１前言在农业工程领域中，许多农副产品需要干燥处理。因此，干燥室加热器应用范围广泛。冷缠翅片管加热器是一种新型的高效、紧凑、传热能力强的换热装置，在替代现行光管加热器及建筑加热器、提高烘干速率及干燥强度、... Heat Transfer Enhancement of Cold-wrapped Finned Tube Heater Xuan Zhehao, Gao Qing, Cui Shuqin 1 Introduction Many agricultural and sideline products need to be dried in the field of agricultural engineering. As a result, drying chamber heaters are used in a wide range of applications. Cold-wound finned tube heater is a new type of efficient, compact and heat-transfer device, which can replace the existing tube heater and building heater to improve the drying rate and drying strength.