[1] Department of Forest Products, Faculty of Forestry, Institut Pertanian Bogor (IPB), Kampus IPB Darmaga, Bogor,16680, Indonesia
[2] Agency for the Assessment and Application of Technology (BPPT), Jakarta, Indonesia
[3] Renewable Energy and Energy Efficiency Group, Department of Infrastructure Engineering, The University of Melbourne, VIC,3010, Australia
[4] Department of Mechanical and Bio-system Engineering, Faculty of Agricultural Engineering and Technology, IPB, Kampus IPB Darmaga, Bogor,16680, Indonesia