 | Contact plate Freezer as Leader - Hasanuddin University (1992 - 1994) |
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| Heat Exchangger as Leader - jakarta (1994-1998) |
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| Evaporative cooler as head of project - Dep. of ME UI (1998 - 2000) |
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| piping system as leader - Depok Indonesia (2000 s/d now) |
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| Non_Newtonian fluids as Leader - Depok West Java Indonesia (2006 s/d now) |
| Mud slurry, solid -liquid flow..spiral tube |
| Solid-liquid flow as Tiem leader - Depok- Indonesia (2009-now) |
| Analisis characteristics solid-liquid (sand-water) flow in pipes |
| Viscometer as (leader) - DEpok - West Java Indonesia (2011-Now) |
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| Audit Energy as Member - Java, Sumatera,Celebes (2013 s/d) |
| Audit Energy For Industry and Building |
| Air Conditioning System |
| Hand Book Depart. Of Mechanical Engineering Gunadarma University |
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| Analisis Aliran Vortex Pada saluran Pipa dengan Teknologi Computational Fluid Dynamics (CFD) |
| Kommit 2002 Universitas Gunadarma. Jakarta 2002 |
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| Analisys of Evaporative Cooler |
| University Of Indonesia Depok Jakarta, 2000 |
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| Basic Fluids Mechanics |
| Hand Book Dep. Of Mechanical Engineering Gunadarma University |
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| Peran Sains Dan Teknologi Memasuki MEA |
| Peran Sains dan teknologi dalam Memasuki MEA, sangat Penting, untuk Mendukung daya saing Suatu Negara, mari memasuki MEA dan mendapat manfaat yang lebih banyak,.. |
| Ridwan_ makalah_2016. final2r.pdf (116Kb) |
