This project investigates the impact of flash chamber on the performance of household refrigerators. In this novel flash chamber concept, the liquid and vapor is separated before entering the evaporator which results in improvement of the coefficient of performance of the I system. In tninimum constructional, mainte...

Be it physical items or digital data, everything needs protection from unauthorized access. And to protect them from any kind of unauthorized access, user authentication is usually done with the help of user ID and password or sometimes with the help of password (security code) only in case of digital security doors...