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Fredy Surahmanto

Universitas Negeri Yogyakarta

Jl. Colombo Nomor 1

Yogyakarta, Daerah Istimewa Yogyakarta 55281

Indonesia

  • Universitas Negeri Yogyakarta

SCHOLARLY PAPERS

2

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75

TOTAL CITATIONS

0

Scholarly Papers (2)

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1.

Improved Performance of Corrugated Metal Gaskets in Boiler’s Piping System Through Multilayered Coating

Eastern-European Journal of Enterprise Technologies, 6(1 (114), 13–20, 2021. doi:10.15587/1729-4061.2021.245360
Number of pages: 8 Posted: 01 Mar 2022
Didik Nurhadiyanto, Shigeyuki Haruyama, Mujiyono Mujiyono, Sutopo Sutopo, Yunaidi Yunaidi, Fredy Surahmanto, Moch Agus Choiron, Novian Indra Kusuma and Nur Chalid Fauzi
Universitas Negeri Yogyakarta, Yamaguchi University, Universitas Negeri Yogyakarta, Universitas Negeri Yogyakarta, Politeknik LPP Yogyakarta, Universitas Negeri Yogyakarta, Brawijaya University, Universitas Negeri Yogyakarta and Universitas Negeri Yogyakarta
Downloads 46 (1,121,190)

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coating, nickel, copper, corrugated metal gaskets, performance, leakage, multilayered, boiler

2.

Performance and Emission Analysis of Biomass-Derived Syngas in Internal Combustion Engines: A Comparison with Lpg and Gasoline

Number of pages: 15 Posted: 17 May 2025
Fredy Surahmanto, Achmad Arifin, Sutiman Sutiman, Mochamad Syamsiro and Novi Caroko
Universitas Negeri Yogyakarta, affiliation not provided to SSRN, Universitas Negeri Yogyakarta, Janabadra University and affiliation not provided to SSRN
Downloads 29 (1,332,057)

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biomass gasification, engine emissions, gasoline, LPG, Performance, Syngas