Article

Liaw, K.L. and Ong, K.C. and Mohd Ali Zar, M.A.B. and Lai, W.K. and Muhammad, M.F.B. and Firmansyah and Kurnia, J.C. (2023) Experimental and numerical investigation of an innovative non-combustion impulse gas turbine for micro-scale electricity generation. Energy, 266.

Liaw, K.L. and Kurnia, J.C. and Lai, W.K. and Ong, K.C. and Zar, M.A.B.M.A. and Muhammad, M.F.B. and Firmansyah (2023) Optimization of a novel impulse gas turbine nozzle and blades design utilizing Taguchi method for micro-scale power generation. Energy, 282.

Zainal A., E.Z. and Ismael, M.A. and Aziz, A.R.A. and Mohammed, S.E. and Baharom, M.B. and Firmansyah and Hanif Ibrahim, M. and Sahalan, M.I. and Qawiy, A. (2021) Effect of aspect ratio on frequency and power generation of a free-piston linear generator. Applied Thermal Engineering, 192. ISSN 13594311

Zainal A, E.Z. and Mohammed, S.E. and A. Aziz, A.R. and Baharom, M.B. and Jaffry, A. and Firmansyah and Shahrul A, A. and Ismael, M.A. (2021) Effect of aspect ratio on the performance characteristics of free piston linear generator engine fueled by hydrogen. International Journal of Hydrogen Energy, 46 (17). pp. 10506-10517. ISSN 03603199

Abdul Aziz, A.R. and Adlan Abdullah, M. and Firmansyah and Abidin, E.Z.Z. (2019) Performance of hydrogen direct injection engine. SpringerBriefs in Applied Sciences and Technology. pp. 21-36. ISSN 2191530X

Aziz, A.R.A. and Hagos, F.Y. and Anbese, Y.T. and Heikal, M.R. and Firmansyah (2018) Application of the chain code and Fourier analysis techniques for the investigation of wrinkles and distortions on early flames. International Journal of Automotive and Mechanical Engineering, 15 (4). pp. 5709-5728. ISSN 22298649

Ismael, M.A. and Heikal, M.R. and Aziz, A.R.A. and Crua, C. and El-Adawy, M. and Nissar, Z. and Baharom, M.B. and Zainal, E.Z.A. and Firmansyah (2018) Investigation of puffing and micro-explosion of water-in-diesel emulsion spray using shadow imaging. Energies, 11 (9). ISSN 19961073

El-Adawy, M. and Heikal, M.R. and Rashid, A. and Aziz, A. and Adam, I.K. and Ismael, M.A. and Babiker, M.E. and Baharom, M.B. and Firmansyah and Abidin, E.Z.Z. (2018) On the application of proper orthogonal decomposition (POD) for in-cylinder flow analysis. Energies, 11 (9). ISSN 19961073

Adam, I.K. and Abdul Aziz, A.R. and Heikal, M.R. and Yusup, S. and Firmansyah and Ahmad, A.S. and Zainal Abidin, E.Z. (2018) Performance and emission analysis of rubber seed, palm, and their combined blend in a multi-cylinder diesel engine. Energies, 11 (6). ISSN 19961073

Abd Aziz, A.R. and Anbese, Y.T. and Hagos, F.Y. and Heikal, M.R. and Firmansyah (2017) Characteristics of early flame development in a direct-injection spark-ignition cng engine fitted with a variable swirl control valve. Energies, 10 (7). ISSN 19961073

Abdalla, I.I. and Zainal A., E.Z. and Anwarudin, A.R.T. and Firmansyah and Aziz, A.R.A. and Heikal, M.R. (2017) Cogging force issues of permanent magnet linear generator for electric vehicle. Journal of Electrical Systems, 13 (3). pp. 489-502. ISSN 11125209

Nugroho, H. and Fei-Lu, S. and Firmansyah (2017) Developing renewable energy in developing countries: A lesson from Indonesia. Energy Sources, Part B: Economics, Planning and Policy, 12 (4). pp. 318-325. ISSN 15567249

Firmansyah and Aziz, A.R.A. and Heikal, M.R. and Zainal, E.Z.A. (2017) Diesel/CNG mixture autoignition control using fuel composition and injection gap. Energies, 10 (10). ISSN 19961073

Hagos, F.Y. and Aziz, A.R.A. and Sulaiman, S.A. and Firmansyah and Mamat, R. (2017) Effect of fuel injection timing of hydrogen rich syngas augmented with methane in direct-injection spark-ignition engine. International Journal of Hydrogen Energy, 42 (37). pp. 23846-23855. ISSN 03603199

Firmansyah and Aziz, A.R.A. and Heikal, M.R. and Abidin, E.Z.Z. (2016) The effect of wall temperature to the combustion of diesel/CNG mixture. ARPN Journal of Engineering and Applied Sciences, 11 (22). pp. 12923-12928. ISSN 18196608

Firmansyah and Aziz, A.R.A. (2015) Investigation of auto-ignition of octane-CNG mixture in HCCI engine. International Journal of Automotive and Mechanical Engineering, 11 (1). pp. 2235-2242. ISSN 22298649

Firmansyah and Aziz, A.R.A. and Heikal, M.R. (2013) Double stage wiebe: An approach to single zone modeling of dual fuel HCCI combustion. Asian Journal of Scientific Research, 6 (2). pp. 388-394. ISSN 19921454

Hagos, F.Y. and Aziz, A.R.A. and Sulaiman, S.A. and Firmansyah (2012) Combustion characteristics of late injected CNG in a spark ignition engine under lean operating condition. Journal of Applied Sciences, 12 (23). pp. 2368-2375. ISSN 18125654

Mohammed, S.E. and Baharom, M.B. and Aziz, A.R.A. and Firmansyah (2011) The effects of fuel-injection timing at medium injection pressure on the engine characteristics and emissions of a CNG-DI engine fueled by a small amount of hydrogen in CNG. International Journal of Hydrogen Energy, 36 (18). pp. 11997-12006. ISSN 03603199

Aziz, A.R.A. and Firmansyah and Shahzad, R. (2010) Combustion analysis of a cng direct injection spark ignition engine. International Journal of Automotive and Mechanical Engineering, 2 (1). pp. 157-170. ISSN 22298649

A-Aziz, A.-R. and Firmansyah (2009) The effect of fuel rail pressure on the performance of a CNG-direct injection engine. SAE Technical Papers. ISSN 01487191

Conference or Workshop Item

Jaffry, M.N.M. and Abdul Karim, Z.A. and Ramlan, N.A. and Mohammed, S.E. and Zainal, E.Z. and Firmansyah and Ahmad, A.S. and Baharom, M.B. and Heikal, M.R. and Aziz, A.R.A. (2018) Bouncing phenomena of free piston linear generator at starting process. In: UNSPECIFIED.

Firmansyah and Morgan, R. and Heikal, M.R. and Aziz, A.R.A. (2018) Effect of pressure in crossover port to the in-cylinder flow of split-cycle engine. In: UNSPECIFIED.

Kardan, R. and Baharom, M.B. and Mohammed, S.E. and Aziz, A.R.A. and Zainal, A.E.Z. and Firmansyah (2018) The effect of engine throttle position on the performance characteristics of a crank-rocker engine fitted with a conventional cylinder head. In: UNSPECIFIED.

Tamili, S.N.A. and Aziz, A.R.A. and Sulaiman, S.A. and Zainal, E.Z. and Firmansyah and Heikal, M.R. (2018) A review on free piston linear engine (FPLE). In: UNSPECIFIED.

Abdalla, I.I. and Zainal, A.E.Z. and Ramlan, N.A. and Firmansyah and Aziz, A.R.A. and Heikal, M.R. (2017) Cogging force investigation of a free piston permanent magnet linear generator. In: UNSPECIFIED.

Abdalla, I. and Zainal, E.Z.A. and Ramlan, N.A. and Firmansyah and Aziz, A.R.A. and Heikal, M. (2017) Free piston linear generator for low grid power generation. In: UNSPECIFIED.

Firmansyah and Aziz, A.R.A. and Heikal, M.R. (2015) The combustion behavior of diesel/CNG mixtures in a constant volume combustion chamber. In: UNSPECIFIED.

Bhakti, M.A.C. and Paputungan, I.V. and Nugroho, H. and Bhaskoro, P.T. and Firmansyah and Oktiawati, U.Y. (2012) Taking up autonomous SOA framework into cloud computing. In: UNSPECIFIED.

Book

Aziz, A.R.A. and Baharom, M.B. and Abidin, E.Z.Z. and Firmansyah and Mohammed, S.E. and Nadhari, W.N.A.W. and Evelyn and Jaffry, M.N.M. (2019) Principal, design and characteristics of a free piston linear generator. Springer Singapore, pp. 127-144. ISBN 9789811501029; 9789811501012

Dalha, I.B. and Said, M.A. and Abdul Karim, Z.A. and Aziz, A.R.A. and Firmansyah and Abidin, E.Z.Z. and Ismael, M.A. (2019) Reactivity controlled compression ignition: An advanced combustion mode for improved energy efficiency. Springer Singapore, pp. 101-126. ISBN 9789811501029; 9789811501012

Aziz, A.R.A. and Ismael, M.A. and Heikal, M. and Firmansyah and Dalha, I.B. and Abidin, E.Z.Z. (2019) Water in diesel emulsion behavior in high-pressure direct injection system. Springer Singapore, pp. 85-99. ISBN 9789811501029; 9789811501012