A Study on Drill String Torsional Vibration in Vertical and Directional Drilling Operations = Studi Getaran Puntir pada Tali Bor saat Operasi Pengeboran Vertikal dan Berarah

Analisis tekno-ekonomi implementasi turbin angin sumbu vertikal untuk daerah tertinggal, terdepan dan terluar (3T) = The techno-economic analysis of vertical axis wind turbine implementation for disadvantaged, frontier and outermost (3T) areas.

Studi karakteristik respons dinamik pada struktur alat penukar kalor shell and tube tipe AES terhadap gaya eksitasi yang diberikan aktuator getaran tanpa beban aliran = Study of dynamic response characteristic of a shell and tube heat exchanger AES type due to excitation force given by vibration aktuator in no flow condition

Perbandingan Turbin Angin Sumbu Vertikal Dengan Turbin Angin Sumbu Horizontal Dan Kemungkinan Penerapannya (Studi Kasus Kabupaten Sukabumi) = Comparison of Vertical Axis Wind Turbines with Horizontal Axis Wind Turbines and Their Possible Applications (Case Study of Sukabumi Regency)

Karateristik respon getaran pada mesin diesel kapasitas kecil Turbocharged penggerak mobil penumpang terhadap eksitasi variasi putaran mesin statik = Characteristics of vibration response in diesel engines small capacity turbocharged on passenger car against engine's excitation with RPM variations