$$ \fracd(mU)d\theta = \sum \dotm in h in - \sum \dotm out h out - p \fracdVd\theta + \fracdQd\theta $$
Simultaneously, the mass balance must be maintained: $$ \fracd(mU)d\theta = \sum \dotm in h in
Where:
კოპირება შეუძლებელია!