Forging forming -- English · 2023年7月14日 0

Thermal conductivity and thermal resistance analysis of aluminum forgings in construction machinery

The thermal conductivity and thermal resistance of aluminum forgings in construction machinery are important factors affecting the thermal management and heat dissipation. The following is the analysis of the thermal conductivity and thermal resistance of aluminum forgings:

  1. Thermal conductivity of the material: The thermal conductivity of aluminum forgings is directly related to the thermal conductivity of the material. Aluminum has a high thermal conductivity, usually between 160-230 W/m·K, which means that it conducts heat away more quickly.
  2. Geometry and structure: The geometry and structure of aluminum forgings will also affect its thermal conductivity and thermal resistance. The larger area can improve the heat dissipation effect, while the complex design and internal structure may increase the thermal resistance.
  3. Surface treatment: The treatment of the surface will also affect the heat conductivity of aluminum forgings. For example, heat conduction properties can be enhanced by spraying ceramic coatings or applying heat conduction fillers.
  4. Radiator design: If you need to further improve the heat conduction performance and heat dissipation effect of aluminum forgings, you can consider using a radiator. The design of the heat sink should consider the thermal conductivity of the fluid medium, the heat dissipation area and the heat sink material.
  5. External conditions: external conditions such as ambient temperature and wind speed will also affect the heat conductivity of aluminum forgings. A high temperature environment or low wind speed will reduce the efficiency of heat dissipation, thereby increasing thermal resistance.

In general, the thermal conductivity and thermal resistance analysis of aluminum forgings in construction machinery needs to consider the comprehensive influence of many factors such as the thermal conductivity of the material, geometric shape and structure, surface treatment, radiator design and external conditions. In the design and manufacturing process, the heat transfer performance and heat dissipation effect can be improved by optimizing the material selection, rationally designing the geometry and structure, and adopting appropriate surface treatment methods.