Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
This expression is valid for all times for semi-infinite bodies in perfect thermal contact.
If two semi-infinite bodies initially at temperatures T and T are brought in perfect thermal contact, the temperature at the contact surface T will be given by their relative effusivities.
The zeroth boundary condition is important for identifying the presence of a coordinate boundary where no physical boundary exists, for example, far away in a semi-infinite body or at the center of a cylindrical or spherical body.
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