Arif Widyatama, S.T., M.Eng.

 

Lecturer, Mechanical Engineering Study Program

Email: arifwidyatama@ugm.ac.id

Research interest: Boiling in mini/micochannel flow, spray cooling and droplet phenomena, multiphase flow, flow measurement

 

Education:

  • M.Eng., Mechanical Engineering, Universitas Gadjah Mada-Indonesia, 2015
  • S.T., Mechanical Engineering, Universitas Gadjah Mada-Indonesia, 2016

Academic Experiences:

  • Department of Mechanical and Industrial Engineering, Universitas Gadjah Mada. Lecturer, 2018 – Present, Full Time
  • Centre for Energy Studies Universitas Gadjah Mada, Researcher, 2017-present, Part Time
  • Department of Mechanical and Industrial Engineering, Universitas Gadjah Mada. Research Assistant of Multiphase Flow Research Group, 2016 – 2018

Honors and Awards

  • Doctoral Degree Scholarship Awardee, 2019, Endowment Fund for Education (LPDP), 2019
  • Best Paper Award on 9th International Conference in Thermofluid. Paper entitled The effect of 20% ethylene glycol aquades solution on the dynamics behavior of successive multiple droplets impacting onto hot surface, 2017
  • Best Paper Award on 7th International Conference in Thermofluid & 3rd AUN-SEED/NET Regional Conference on Energy Engineering. Paper entitled Image Processing Analysis on the Air-Water Slug Two-Phase Flow in a Horizontal Pipe, 2015

Publications and presentations (Most important from past 5 years) :

  • Energy-saving and environmentally-benign integrated ammonia production system. Khasani, W. Prasidha, A. Widyatama, & M. Aziz. Energy 235, 121400. 2021
  • The effect of ethylene glycol concentration on the interfacial dynamics of the successive droplets impacting onto a horizontal hot solid surface. T. Wibowo, A. Widyatama, S. Kamal, Indarto, & Deendarlianto. International Journal of Thermal Sciences, 159 (August 2020), 106594. 2021
  • Studi Eksperimen pada Fenomena Successive Droplets Menumbuk Permukaan Tembaga Panas. A. Widyatama. A, I, Majid, T. Wibowo, Deendarlianto, & S. Kamal. Jurnal Penelitian Saintek Vol. 24, Nomor 2. 2019
  • The Liquid Wave Characteristics During The Transportation of Air-Water Stratified Co-Current Two-Phase Flow in A Horizontal Pipe, A.Z. Hudaya, A. Widyatama, O. Dinaryanto, W.E. Juwana, Indarto, Deendarlianto, Experimental Thermal and Fluid Science 103, 304-317, 2019.
  • Experimental study on the hydrodynamic behavior of gas-liquid air-water two-phase flow near the transition to slug flow in horizontal pipes, Deendarlianto, A Rahmandhika, A. Widyatama, O. Dinaryanto, A. Widyaparaga, Indarto, International Journal of Heat and Mass Transfer 130, 187-203, 2019.
  • Hydrodynamic characteristics of the microbubble dissolution in liquid using orifice type microbubble generator, W.E. Juwana, A. Widyatama, O. Dinaryanto, Wiratni, Indarto, Deendarlianto, Chemical Engineering Research and Design, 436-448, 2019.
  • Interfacial behavior of the air-water counter-current two-phase flow in a 1/30 scale-down of Pressurized Water Reactor (PWR) Hot leg, A.Badarudin, A. Setyawan, O. Dinaryanto. A. Widyatama, Indarto, Deendarlianto. Annals of Nuclear Energy 116, 376-387, 2018.
  • The interfacial dynamics of the micrometric droplet diameters during the mpacting onto inclined hot surfaces, Deendarlianto, Y. Takata, A. Widyatama, A.I. Majid, A. Wiranata, A. Widyaparaga, Masasmichi Kohno, S. Hidaka, Indarto. International Journal of Heat and Mass Transfer 126, 39 – 51, 2018.
  • The development of image processing technique to study the interfacial behavior of air-water slug two-phase flow in horizontal pipes, A. Widyatama, O. Dinaryanto, Indarto, Deendarlianto. Flow Measurement and Instrumentation 59, 168-180, 2018.
  • Characteristics of successive droplets impacting hot aluminum surface around nucleate boiling regime. A. Widyatama, A.I. Majid, T. Wibowo, Deendarlianto, & S. Kamal. AIP Conference Proceedings, 2217(April), 2020.
  • Experimental study of the effects of input voltage on the transient temperature behaviors of thermoelectric mini-cold storage. M.A. Rahman, Y.C. Sianipar, A.I. Majid, A. Widyatama, & Suhanan. AIP Conference Proceedings, 2248, 2020.
  • Peltier thermoelectric refrigeration system as the future cold storage system for indonesia: A review. M.A. Rahman, A. Widyatama, A.I. Majid, & Suhanan. Proceedings – 2019 5th International Conference on Science and Technology, ICST 2019. https://doi.org/10.1109/ICST47872.2019.9166392, 2019
  • The Implementation of Image Processing Technique to Analyze the Air-Water Stratified Flow Characteristics in a Horizontal Pipe, Proceedings – 2018 4th International Conference on Science and Technology, Sugiyanto. A.I.Majid, A.Widyatama, Deendarlianto, A.Z.Hudaya, “ICST 2018, 8528583, 2019.
  • The effect of surface roughness on dynamic behaviour of the successive multiple droplets impacting onto aluminum hot surfaces, M.L. Hakim, T. Wibowo, A. Widyatama, Deendarlianto, Indarto. IOP Conference Series: Materials Science and Engineering Volume 434 (1), 012183, 2018.
  • An evaluation of the horizontal injection microbubble generator, W.E. Juwana, A. Widyatama, Wiratni, Indarto, Deendarlianto AIP Conference Proceedings 2021, 030018 2018,
  • The Characteristics of the Pressure Gradient Air-Water Stratified Two-Phase Flow in Horizontal Pipes”, Y.M. Alqoshmal, A.Z. Hudaya, O. Dinaryanto, A. Widyatama, Deendarlianto, Indarto, AIP Conference Proceedings 2001, 030004, 2018.
  • Experimental Study on The Characteristics of Flow Pattern Transitions of Air-Water Two-Phase Flow in A Horizontal Pipe, F. Humami, O. Dinaryanto, A. Widyatama, Indarto, Deendarlianto, AIP Conference Proceedings 2001, 030005 ,2018.
  • Visualization Study in the Transition Flow Pattern of Stratified to Slug Flow of Air-Water Two Phase Flow in a Horizontal Pipe, A. Rahmandhika, O. Dinaryanto, A. Widyatama, A. Z. Hudaya, Indarto, Deendarlianto, AIP Conference Proceedings 2001, 030003 ,2018,
  • The dynamics behavior of successive multiple droplets impacting onto hot surface under high concentration of ethylene glycol aquades solution, T. Wibowo, A. Widyatama, S. Kamal, Indarto, Deendarlianto, AIP Conference Proceedings 2001, 030009 ,2018.
  • The Characteristics of The Sub-Regime of Slug Flow in 16 mm Horizontal Pipe, O. Dinaryanto, A. Widyatama, Indarto, Deendarlianto, AIP Conference Proceedings 2001, 030008, 2018,