| 摘要 |
The present specification discloses a heat transfer device (1) for use in transferring heat to or from a material. Conventionally material is heated or cooled from the outside so that the surface layer of the material is first cooled or heated and then thus forms a heat barrier to the further cooling or heating of the centre region of the material. The heat transfer device (1) of the present invention provides an elongate hollow body (3), preferably in the form of a needle, with an elongate inner duct member (5) extending through said body (3). Heating or cooling fluid can be passed through the inner duct member (5) and back along the gap (15) between the body (3) and the inner duct member (5), and by piercing the relevant material, the material can be heated or cooled from the inside out. This thus reduces the heat barrier problem referred to and allows the heating or cooling to be effected relatively quickly and more efficiently. |
