Enhanced Cooling Process of Furnace Using Vortex Tube Cooling DeviceMohd Hazwan Yusof, Muhammad Fadhli Suhaimi, Izzat Muhammad Azmi, Wan Sharuzi Wan Harun and Mohamad Firdaus BasrawiMATEC Web Conf., 225 (2018) 03012DOI: https://doi.org/10.1051/matecconf/201822503012