Table 2 Formulae for computing the thermal resistance.
type | Thermal resistance/(K/W) |
|---|---|
Radial conduction thermal resistance | \({R_k}=\frac{{\ln \left( {{d_e}/{d_i}} \right)}}{{2{\text{\varvec{\uppi}}}k{L_c}}}\) |
Radial conduction thermal resistance of the rolling element | \({R_k}=\frac{1}{{{\text{\varvec{\uppi}}}k{L_c}}}\) |
Axial conduction thermal resistance | \({R_k}=\frac{{{L_c}}}{{kS}}\) |
Convective thermal resistance | \({R_h}=\frac{1}{{A{h_v}}}\) |