Vishal Salunkhe

Refrigeration systems are required for food and vaccines transportation, comfort cooling, cold storage applications, supermarket display and retails. Industry market research for business leaders, January 2011, statistically stated that the global demand for commercial refrigeration equipment is projected to rise 5.2% per year through 2014 to $29.7 billion. The global industry analysts announced that the global market of air conditioning is expected to reach 78.8 million units in volume sales by 2015 and this global demand is significant in areas of warm climate and high capita income. Currently, most of the above demand is met by mechanical vapor compression systems driven by high-grade electrical power input and utilizes environmentally harmful refrigerants. Refrigeration and air conditioning systems consume around 30% of total worldwide energy consumption. Based on the new environmental regulations (Kyoto protocol, Vienna Convention and Montreal Protocol) CFCs and HCFCs phase-out have been agreed. Moreover, HFCs were one of the six addressed greenhouse gases by Kyoto protocol, and countries may seek to limit its use to meet its legally binding greenhouse gas emissions targets.

In recent years the modernization of rice mill has been started. This mainly concerns the modernization of rice mill with automation of various processes and food safety and security. As this modern automation of various processes tends to reduce the human efforts and time required for this processes. For the safety and security of food, many industries are implementing this modernized processes. This book deals with the automation of sack filling system and optimization of sack handling and also the hopper design. This has been done on the intent of reducing the handling time and the human efforts.