Basically Iran laws and regulations on the safety of nuclear installations were inspired by the respected international rules and norms, while in some cases there exist differences, the contents of most of these regulations are those of IAEA documents relating to safety of nuclear installations. In the mean time, the current laws and regulations of Iran on nuclear safety installations ar...

Speed is the created air flow as well as slipstream effects as the trains move. These effects can have some level of impact on fuel and energy efficiency  of  the  train,  but  their  other  important  outcome  is  the emergence of turbulent flows at higher speeds which can cause aerodynamic  drag  forces  followed  by  noise  and  vibration.  Thus, slipstream effects have significant importanc...