Recent content by jcx3

  1. J

    Graduate Exp(sin(t)) integral difficulty for 1st order ODE

    A model of tank fluid temperature (fixed mass inside) based on the mixing of two streams, one hot and one cold, each with fixed temperature, the hot one a fixed flowrate and the cold one an oscillatory flowrate can be expressed as: du/dt + [c1 + c2*(1+cos(t))]*u = c1 The solution can be...