Article

Chala, G.T. and Al Alshaikh, S.M. and Sulaiman, S.A. (2024) Comparative Study Between Clean, Dusty, and Muddy Photovoltaic Panels in Al Seeb, Oman. Environmental Science and Engineering. pp. 277-287.

Chala, G.T. and Sulaiman, S.A. and Al Alshaikh, S.M. (2024) Effects of climatic conditions of Al Seeb in Oman on the performance of solar photovoltaic panels. Heliyon, 10 (10).

Chala, G.T. and Sulaiman, S.A. and Al Alshaikh, S.M. (2024) Effects of cooling and interval cleaning on the performance of soiled photovoltaic panels in Muscat, Oman. Results in Engineering, 21.

Chala, G.T. and Sulaiman, S.A. (2024) Voids size distribution in gelled waxy crude oil under dynamic and static cooling. Petroleum Research, 9 (1). pp. 109-114.

Hussain, H.H. and Sulaiman, S.A. and Chala, G.T. and Husin, H. (2023) Effect of Crude Oil and Nitrogen Gas Flow Rates on the Time Taken for Flow Initiation of Waxy Crude Oil. Processes, 11 (5).

Chala, G.T. and Negash, B.M. (2022) Artificial Neural Network and Regression Models for Predicting Intrusion of Non-Reacting Gases into Production Pipelines. Energies, 15 (5). ISSN 19961073

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. and Abdullah, W.A.K.W. (2022) Influence of Hydrostatic Pressure on the Formation of Voids in Gelled Crude Oil. Applied Science and Engineering Progress, 15 (4). ISSN 26729156

Chala, G.T. and Liew, C.L. and Sulaiman, S.A. and Inayat, M. and Guangul, F.M. (2022) Parametric Investigation of Empty Fruit Bunch Gasification using Response Sur-face Methodology. Petroleum and Coal, 64 (2). pp. 359-373. ISSN 13377027

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. and Abdullah, W.A.K.W. (2020) Temporal variation of voids in waxy crude oil gel in the presence of temperature gradient. Chemical Engineering Communications, 207 (10). pp. 1403-1414. ISSN 00986445

Sulaiman, S.A. and Chala, G.T. and Zainur, M.Z. (2019) Experimental investigation of compressibility of waxy crude oil subjected to static cooling. Journal of Petroleum Science and Engineering, 182. ISSN 09204105

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. (2018) Flow start-up and transportation of waxy crude oil in pipelines-A review. Journal of Non-Newtonian Fluid Mechanics, 251. pp. 69-87. ISSN 03770257

Chala, G.T. and Aziz, A.R.A. and Hagos, F.Y. (2018) Natural Gas Engine Technologies: Challenges and Energy Sustainability Issue. Energies, 11 (11). ISSN 19961073

Chala, G.T. and Aziz, A.R.A. and Hagos, F.Y. (2017) Combined effect of boost pressure and injection timing on the performance and combustion of CNG in a DI spark ignition engine. International Journal of Automotive Technology, 18 (1). pp. 85-96. ISSN 12299138

Sulaiman, S.A. and Biga, B.K. and Chala, G.T. (2017) Injection of non-reacting gas into production pipelines to ease restart pumping of waxy crude oil. Journal of Petroleum Science and Engineering, 152. pp. 549-554. ISSN 09204105

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. and Wan, W.A.K. (2016) Investigation of convective heat transfer coefficient and initial temperature of waxy crude oil on the formation of voids. International Journal of Automotive and Mechanical Engineering, 13 (3). pp. 3754-3762. ISSN 22298649

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. and Abdullah, W.A.K.W. (2015) Effects of cooling regime on the formation of voids in statically cooled waxy crude oil. International Journal of Multiphase Flow, 77. pp. 187-195. ISSN 03019322

Shafquet, A. and Ismail, I. and Japper-Jaafar, A. and Sulaiman, S.A. and Chala, G.T. (2015) Estimation of gas void formation in statically cooled waxy crude oil using online capacitance measurement. International Journal of Multiphase Flow, 75. pp. 257-266. ISSN 03019322

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. and Kamil Wan Abdullah, W.A. (2015) Study on influence of flow rates on voids in waxy crude oil subjected to dynamic and static cooling. Journal of Mechanical Engineering and Sciences, 9. pp. 1587-1594. ISSN 22894659

Chala, G.T. and Sulaiman, S.A. and Japper-Jaafar, A. and Kamil Wan Abdullah, W.A. and Mior Mokhtar, M.M. (2014) Gas void formation in statically cooled waxy crude oil. International Journal of Thermal Sciences, 86. pp. 41-47. ISSN 12900729

Conference or Workshop Item

Chala, G.T. and Lim, Y.P. and Sulaiman, S.A. and Liew, C.L. (2018) Thermogravimetric analysis of empty fruit bunch. In: UNSPECIFIED.