OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › thermal fluid and conjugate heat transfer › Re: thermal fluid and conjugate heat transfer March 8, 2017 at 1:02 pm #2548 mgaedtkeKeymaster Hello Gao, how about this: Code: double T_cold = 273.15; double T_hot = 274.15; double latticeTemperature(double physTemperature) { return (physTemperature – T_cold) / (T_hot – T_cold); } This is untested but you should be able to achieve the conversion with something like it very easily. Best, Max