The United States - one of the world's largest coffee importers - imports coffee beans from a variety of different countries. These countries are aggregated into five groups representing five broadly defined types of coffee. Imports of the five coffees over time are examined to determine price,...

Thermal energy storage (TES) systems using phase change material (PCM) have been recognized as one of the most advanced energy technologies in enhancing the energy efficiency and sustainability of buildings. Now the research is focus on suitable method to incorporate PCMs with building. There...