1 ) Fractionation and characterization of oil palm (Elaeis guineensis) as treated by supercritical water
Authors: M.Varman, H. Miyafuji, S. Saka
M.Varman, H. Miyafuji, and S. Saka. “Fractionation and characterization of oil palm (Elaeis guineensis) as treated by supercritical water” Journal of Wood Science 56(6) (2010): 484-494.
Keywords: oil palm; supercritical water treatment; lignin; carbohydrate-derived products; lignin-derived products; phenolic hydroxyl content; alkaline nitrobenzene oxidation
2 ) A Comparative Study of Oil Palm and Japanese Beech on Their Fractionation and Characterization as Treated by Supercritical Water
Authors: M.Varman, S. Saka
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M. Varman and S. Saka. “A Comparative Study of Oil Palm and Japanese Beech on Their Fractionation and Characterization as Treated by Supercritical Water” Waste and Biomass Valorization 2(3) (2011): 309-315.
Keywords: supercritical water treatment; oil palm; Japanese beech; carbohydrate derived products; lignin-derived products; organic acid production; phenolic chemical production
3 ) Characterization in Chemical Composition of the Oil Palm (Elaeis guineensis)
Authors: M. Shibata, M. Varman, Y. Tono, H. Miyafuji, S. Saka
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M. Shibata, M. Varman, Y. Tono, H. Miyafuji, and S. Saka. “Characterization in Chemical Composition of the Oil Palm (Elaeis guineensis)” Journal of the Japan Institute of Energy 87(5) (2008): 383-388.
Keywords: Oil palm, Trunk, Frond, Mesocarp, Endocarp (Shell), Kernel cake, EFB, Chemical composition, Cellulose, Hemicellulose, Lignin, Extractives, Ash, Neutral sugar, Uronic acid
4 ) The performance of a spark-ignition engine fuelled with natural gas and gasoline
Authors: Aslam, M.U., Masjuki, H.H., Kalam, M.A., Abdesselam, H., Varman, M., Mahlia, T.M.I., Amalina, M.A.
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Aslam, M.U., Masjuki, H.H., Kalam, M.A., Abdesselam, H., Varman, M., Mahlia, T.M.I. and Amalina, M.A. (2005) The performance of a spark-ignition engine fuelled with natural gas and gasoline. In: ATCi 2005, Conference on Automotive Technology, Dec 6-8, 2005, Putrajaya, Malaysia.
Keywords: Air pollution; CNG (compressed natural gas); engine performance; fuel conversion efficiency; spark-ignition engine; gasoline
5 ) Effect of Coconut Biodiesel Blended Fuels on Engine Performance and Emission Characteristics
Authors: A.M. Liaquat, H.H. Masjuki, M.A. Kalam, M. Varman, M.A. Hazrat, M. Shahabuddin, M. Mofijur
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A.M. Liaquat, H.H. Masjuki, M.A. Kalam, M. Varman, M.A. Hazrat, M. Shahabuddin and M. Mofijur. “Effect of Coconut Biodiesel Blended Fuels on Engine Performance and Emission Characteristics” Procedia Engineering 56 (2013): 583–590
Keywords: Engine performance; emission; coconut biodiesel; sound level
6 ) Application of blend fuels in a diesel engine
Authors: A.M. Liaquat, H.H. Masjuki, M.A. Kalam, M. Varman, M.A. Hazrat, M. Shahabuddin, M. Mofijur
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A.M. Liaquat, H.H. Masjuki, M.A. Kalam, M. Varman, M.A. Hazrat, M. Shahabuddin and M. Mofijur. “Application of blend fuels in a diesel engine” Energy Procedia 14 (2012): 1124–1133
Keywords: Engine performance; exhaust emission; jatropha biodiesel; waste cooking oil
7 ) Power Improvement of A Modified Natural Gas Engine
Authors: M.A. Kalam, H.H. Masjuki, M.A. Maleque, M.A. Amalina, H. Abdesselam, T.M.I. Mahlia, M.U. Aslam, M. Varman
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M.A. Kalam, H.H. Masjuki, M.A. Maleque, M.A. Amalina, H. Abdesselam, T.M.I. Mahlia, M.U. Aslam, and M. Varman. “Power Improvement of A Modified Natural Gas Engine” 1st Conference & Exhibition on Natural Gas for Vehicles (ANGVA 2005). Kuala Lumpur, Malaysia. Jan. 2005.
Keywords: Brake power, CNG/DI, Bi-Fuel engine, Fuel consumption and Emissions
8 ) One-Watt TV label implementation in Malaysia
Authors: M.Varman, H.H. Masjuki, T.M.I. Mahlia
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M.Varman, H.H. Masjuki and T.M.I. Mahlia. “One-Watt TV label implementation in Malaysia” International Journal of Regulation and Governance 5(1) (2005): 1-12
Keywords: stand-by power energy label, 1-W stand-by power, TV sets, emissions reduction
9 ) Clothes drying from room air conditioning waste heat: thermodynamics investigation
Authors: T.M.I. Mahlia, C.G. Hor, H.H. Masjuki, M. Husnawan, M.Varman and S. Mekhilef
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T.M.I. Mahlia, C.G. Hor, H.H. Masjuki, M. Husnawan, M.Varman and S. Mekhilef. “Clothes drying from room air conditioning waste heat: thermodynamics investigation” The Arabian Journal for Science and Engineering 35 (2010): 339-351.
Keywords: clothes dryer, drying, room air conditioner, waste heat
10 ) Friction and Wear Characteristics of Waste Vegetable Oil Contaminated Lubricants
Authors: M.A. Kalam, H.H. Masjuki, M. Varman, A.M. Liaquat
M.A. Kalam, H.H. Masjuki, M. Varman and A.M. Liaquat. “Friction and Wear Characteristics of Waste Vegetable Oil Contaminated Lubricants” International Journal of Mechanical and Materials Engineering 6(3) (2011): 431-436
Keywords: Four-ball tribotester, waste vegetable oil (WVO), wear scar diameter (WSD)
11 ) Experimental Investigation of a Multicylinder Unmodified Diesel Engine Performance, Emission, and Heat Loss Characteristics Using Different Biodiesel Blends: Rollout of B10 in Malaysia
Authors: M. J. Abedin, H. H. Masjuki, M. A. Kalam, M. Varman, M. I. Arbab, I. M. Rizwanul Fattah and B.M.Masum
M. J. Abedin, H. H. Masjuki, M. A. Kalam, M. Varman, M. I. Arbab, I. M. Rizwanul Fattah and B.M.Masum. “Experimental Investigation of a Multicylinder Unmodified Diesel Engine Performance, Emission, and Heat Loss Characteristics Using Different Biodiesel Blends: Rollout of B10 in Malaysia” The Scientific World Journal Volume 2014: 1-9
Keywords: performance and emission, multicylinder diesel engine, biodiesel, Energy balance analysis
12 ) Impact of biodiesel on injector deposit formation
Authors: A.M. Liaquat, H.H. Masjuki, M.A. Kalam and M. Varman
A.M. Liaquat, H.H. Masjuki, M.A. Kalam, M. Varman. 2012. Impact of biodiesel on injector deposit formation. Proceeding of The 5th Regional Conference on New and Renewable Energy -RCNRE 2012-, Hanoi, Vietnam. pp. 99-109.
Keywords: Injector deposit; biodiesel; SEM–EDS; Lubricating oil; Fuel economy; Exhaust emission
13 ) Biofuel: Prospects and Challenges as Cleaner Energy Source
Authors: Masjuki Hj. Hassan, M.A. Kalam, M. Varman, S.M. Ashrafur Rahman, I.M. Rizwanul Fattah, M. Mofijur
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Masjuki Hj. Hassan, M.A. Kalam, M. Varman, S.M. Ashrafur Rahman, I.M. Rizwanul Fattah, M. Mofijur. 2013. Biofuel: Prospects and Challenges as Cleaner Energy Source. Proceeding of The 6th AUN/SEED-Net Regional Conference on Energy Engineering-RCEneE, 2013, Bandung, Indonesia. pp. 329-345.
Keywords: biofuel; transport; renewable energy; lubricant; oxidation stability; emission
14 ) Assessing Effect of Idling on Compression Ignition Engine Operated with Palm, Jatropha and Calophyllum Biodiesel Blends
Authors: S.M. Ashrafur Rahman, H.H. Masjuki, M.A. Kalam, M. Varman, A. Sanjid, M.J. Abedin
S.M. Ashrafur Rahman, H.H. Masjuki, M.A. Kalam, M. Varman, A. Sanjid, M.J. Abedin. “Assessing Effect of Idling on Compression Ignition Engine Operated with Palm, Jatropha and Calophyllum Biodiesel Blends”. Journal of the Institute of Industrial Applications Engineers 2(3) (2014): 122-126.
Keywords: Palm, Jatropha and Calophyllum biodiesel, environment friendly and renewable fuels, compression ignition engine, idling modes, HC, CO, NOx emission
15 ) Chemical Constituents of the Different Anatomical Parts of the Oil Palm (Elaeis guineensis) for Their Sustainable Utilization
Authors: S. Saka, M.V. Munusamy, M. Shibata, Y. Tono, H. Miyafuji
S. Saka, M.V. Munusamy, M. Shibata, Y. Tono, H. Miyafuji. 2008. Chemical Constituents of the Different Anatomical Parts of the Oil Palm (Elaeis guineensis) for Their Sustainable Utilization. Seminar Proceedings – Natural Resources & Energy Environment JSPS-VCC Program on Environmental Science, Engineering and Ethics (Group IX), 24-25 November 2008, Kyoto, Japan, pp. 19-34.
Keywords: Oil palm, chemical composition, trunk, mesocarp, EFB, kernel cake, Uronic acid, neutral sugar, lignin
16 ) Experimental Investigation of Fuel Properties and Engine Performance Characteristics of a Diesel Engine Fueled by Optimum Blend of Palm and Coconut Biodiesel Under Turbocharged and Non-Turbocharged Conditions
Authors: M. I. Arbab, H. H. Masjuki, M. Varman, M. A. Kalam, H. Sajjad and S. Imtenan
M. I. Arbab, H. H. Masjuki, M. Varman, M. A. Kalam, H. Sajjad and S. Imtenan. 2014. Experimental Investigation of Fuel Properties and Engine Performance Characteristics of a Diesel Engine Fueled by Optimum Blend of Palm and Coconut Biodiesel Under Turbocharged and Non-Turbocharged Conditions. 4th International Conference on Environment Science and Engineering (ICESE 2014), April 24-26, 2014, Erzurum, Turkey, pp. 55-59. http://www.ipcbee.com/vol68/011-ICESE2014-E3006.pdf.
Keywords: Biodiesel, Fuel properties, Optimum blend, Performance, Emission
17 ) Comparative Study of Biodiesel, GTL Fuel and Their Blends in Context of Engine Performance and Exhaust Emission
Authors: H. Sajjad, H.H. Masjuki, M. Varman, Mohammad Mahmudur Rahman Khan, M.I. Arbab, S. Imtenan, A. Sanjid
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H. Sajjad, H.H. Masjuki, M. Varman, Mohammad Mahmudur Rahman Khan, M.I. Arbab, S. Imtenan and A. Sanjid. 2014. Comparative Study of Biodiesel, GTL Fuel and Their Blends in Context of Engine Performance and Exhaust Emission. Procedia Engineering, Volume 90, 2014, Pages 466–471.
Keywords: GTL; Biodiesel; Fuel-blends ;Engine Performance; Exhaust Emission
18 ) Storage Stability of Biofuel
Authors: H.H. Masjuki, M. Varman, M.Y. Cheah, Y.H. Cheng, M.A. Kalam, A.M. Liaquat, M. Shahabuddin and M. Mofijur
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H.H. Masjuki, M. Varman, M.Y. Cheah, Y.H. Cheng, M.A. Kalam, A.M. Liaquat, M. Shahabuddin and M. Mofijur. (2012, November 22-24). Storage Stability of Biofuel. Paper presented at 2012 International Symposium on Energy Technology and Strategy, Tainan, Taiwan, pp. 20. Organized by Research Center for Energy Technology and Strategy National Cheng Kung University.
Keywords: Biofuel, jatropha, palm, coconut, canola, storage stability, biodiesel
19 ) Review on alcohol fumigation on diesel engine: A viable alternative dual fuel technology for satisfactory engine performance and reduction of environment concerning emission
Authors: A. Imran, M. Varman, H.H. Masjuki, M.A. Kalam
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A. Imran, M. Varman, H.H. Masjuki, M.A. Kalam. “Review on alcohol fumigation on diesel engine: A viable alternative dual fuel technology for satisfactory engine performance and reduction of environment concerning emission” Renewable and Sustainable Energy Reviews 26 (2013): 739-751.
Keywords: Alcohol, Fumigation, Dual fuel technique, Alternative fuel, Diesel engine, Performance, Emission
20 ) Brucea javanica seeds as source of potential natural antioxidants to improve biodiesel thermal and oxidative stability
Authors: Khalil Hasni, Zul Ilham, Jamaludin Mohamad and Mahendra Varman
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Khalil Hasni, Zul Ilham, Jamaludin Mohamad and Mahendra Varman. “Brucea javanica seeds as source of potential natural antioxidants to improve biodiesel thermal and oxidative stability” Malaysian Journal of Fundamental and Applied Sciences 13 (2017): 207-212.
Keywords: Brucea javanica, Biodiesel, Auto-oxidation, Natural Antioxidants, Total Phenolic Content, Total Flavonoid Content, Rancimat test
21 ) Preparation of Biodiesel from Hibiscus sabdariffa Seeds Oil using Calcium Oxide Catalyst from Waste Egg Shells
Authors: K. Hasni, A. Nabi, M. Varman and Z. Ilham
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K. Hasni, A. Nabi, M. Varman and Z. Ilham. “Preparation of Biodiesel from Hibiscus sabdariffa Seeds Oil using Calcium Oxide Catalyst from Waste Egg Shells” Journal of the Society of Automotive Engineers Malaysia 2 (2018): 177-183.
Keywords: Hibiscus sabdariffa, egg shells, plant seed oils, biodiesel
22 ) Evaluation of Tribological Performance of Hydrogenated DLC by Surface Texturing in the Presence of Palm Based TMP Ester at Different Temperatures
Authors: M. Varman, A. Arslan, H.H. Masjuki, M.A. Kalam, N.W.M. Zulkifli
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M. Varman, A. Arslan, H.H. Masjuki, M.A. Kalam, N.W.M. Zulkifli. “Evaluation of Tribological Performance of Hydrogenated DLC by Surface Texturing in the Presence of Palm Based TMP Ester at Different Temperatures” The Academic Research Community publication; Vol 2, issue #4 (2018): Second Proceedings of Al Azhar’s 14th International Conference On: Engineering, Architecture and Technology; p. 473-478.
Keywords: TMP Ester; wear resistance; friction; Surface textured; a- C:H DLC coating
23 ) Investigation of Engine Emission with Diesel – Palm Biodiesel – Antioxidant Blend
Authors: C.M. Choy, M. Varman, H.H. Masjuki
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C.M. Choy, M. Varman, H.H. Masjuki. (2017, November 9-11). Investigation of Engine Emission with Diesel – Palm Biodiesel – Antioxidant Blend. Paper presented at the 10 th AUN/SEED-Net Regional Conference on Energy Engineering (RCEneE2017), Yangon, Myanmar, pp. 459-464. Organized by Yangon Technological University, AUN/SEED-Net, JICA and University of Yangon.
Keywords: PPD antioxidant; DPPD antioxidant; palm oil methyl ester-diesel blend; emission characteristics
24 ) Oil filter modification for biodiesel–fueled engine: A pathway to lubricant sustainability and exhaust emissions reduction
Authors: M. Gulzar, H.H. Masjuki, M.A. Kalam, M. Varman and I. M. Rizwanul Fattah
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M. Gulzar, H.H. Masjuki, M.A. Kalam, M. Varman and I. M. Rizwanul Fattah “Oil filter modification for biodiesel–fueled engine: A pathway to lubricant sustainability and exhaust emissions reduction” Energy Conversion and Management 91 (2015): 168–175.
Keywords: Strong base filter; palm biodiesel; sustainability; drain interval; piston ring; engine emissions
25 ) Improving the AW/EP ability of chemically modified palm oil by adding CuO and MoS2 nanoparticles
Authors: M. Gulzar, H.H. Masjuki, M. Varman, M.A. Kalam, R.A Mufti, NWM Zulkifli, R. Yunus and Rehan Zahid
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M. Gulzar, H.H. Masjuki, M. Varman, M.A. Kalam, R.A Mufti, NWM Zulkifli, R. Yunus and Rehan Zahid “Improving the AW/EP ability of chemically modified palm oil by adding CuO and MoS2 nanoparticles” Tribology International 88 (2015): 271 –279.
Keywords: Nanolubricants; Nanoparticles; Surfactant; Wear
26 ) Effects of biodiesel blends on lubricating oil degradation and piston assembly energy losses
Authors: M. Gulzar, H.H. Masjuki, M. Varman M.A. Kalam, NWM Zulkifli, R.A Mufti, A.M. Liaquat, Rehan Zahid and A. Arslan
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M. Gulzar, H.H. Masjuki, M. Varman M.A. Kalam, NWM Zulkifli, R.A Mufti, A.M. Liaquat, Rehan Zahid and A. Arslan “Effects of biodiesel blends on lubricating oil degradation and piston assembly energy losses” Energy 111 (2016): 713 –721.
Keywords: Oil degradation; palm biodiesel; jatropha biodiesel; piston; endurance testing; wear loss
27 ) Dispersion stability and tribological characteristics of TiO2/SiO2 nanocomposites enriched bio-based lubricant
Authors: M. Gulzar, H.H. Masjuki, M.A. Kalam, M. Varman, NWM Zulkifli, R.A Mufti, Rehan Zahid and R.Yunus
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M. Gulzar, H.H. Masjuki, M.A. Kalam, M. Varman, NWM Zulkifli, R.A Mufti, Rehan Zahid and R.Yunus “Dispersion stability and tribological characteristics of TiO2/SiO2 nanocomposites enriched bio-based lubricant” Tribology Transactions (2016), 60(4): 670-680.
Keywords: Biodegradable base stocks; nanotribology; antiwear additives; friction modifiers; wear mechanisms
28 ) Tribological performance of nanoparticles as lubricating oil additives
Authors: M. Gulzar, H.H. Masjuki, M.A. Kalam, M. Varman, NWM Zulkifli, R.A. Mufti, Rehan Zahid
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M. Gulzar, H.H. Masjuki, M.A. Kalam, M. Varman, NWM Zulkifli, R.A. Mufti, Rehan Zahid “Tribological performance of nanoparticles as lubricating oil additives” J Nanopart Res (2016) 18: 223.
Keywords: nanolubricant; nanoparticles; tribological performance; dispersion stability; lubrication mechanisms; tribo-testing
29 ) A COMPARATIVE EVALUATION OF PHENOLIC HYDROXYL CONTENT OF OIL PALM
Authors: M. Varman and S. Saka
M. Varman and S. Saka “A comparative evaluation of phenolic hydroxyl content of Oil Palm” Journal of Oil Palm Research Vol. 27 December 2015 p. 360-365.
Keywords: 1-acetylpyrrolidine, aminolysis method, free phenolic hydroxyl content, oil palm, periodate oxidation method
30 ) Effect of Thermal Barrier Coating on the Performance and Emissions of Diesel Engine Operated with Conventional Diesel and Palm Oil Biodiesel
Authors: Ramasamy, N.; Kalam, M.A.; Varman, M.; Teoh, Y.H.
Ramasamy, N.; Kalam, M.A.; Varman, M.; Teoh, Y.H. Effect of Thermal Barrier Coating on the Performance and Emissions of Diesel Engine Operated with Conventional Diesel and Palm Oil Biodiesel. Coatings 2021, 11, 692.
https://doi.org/10.3390/coatings11060692
Keywords: TBC; palm oil biodiesel; diesel engine
31 ) Comparative Studies of Piston Crown Coating with YSZ and Al2O3·SiO2 on Engine out Responses Using Conventional Diesel and Palm Oil Biodiesel
Authors: Ramasamy, N.; Kalam, M.A.; Varman, M.; Teoh, Y.H.
Ramasamy, N.; Abul Kalam, M.; Varman, M.; Teoh, Y.H. Comparative Studies of Piston Crown Coating with YSZ and Al2O3·SiO2 on Engine out Responses Using Conventional Diesel and Palm Oil Biodiesel. Coatings 2021, 11, 885.
https://doi.org/10.3390/coatings11080885
Keywords: thermal barrier coating; palm oil biodiesel; diesel engine
32 ) Chemical Constituents of the Different Anatomical Parts of the Oil Palm (Elaeis guineensis) for their Sustainable Utilization
Authors: S. Saka, M. Varman Munusamy, M. Shibata, Y. Tono, H. Miyafuji
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S. Saka, M. Varman Munusamy, M. Shibata, Y. Tono, H. Miyafuji (2008). Chemical Constituents of the Different Anatomical Parts of the Oil Palm (Elaeis guineensis) for their Sustainable Utilization. Seminar Proceedings – Natural Resources & Energy Environment JSPS-VCC Program on Environmental Science, Engineering and Ethics (Group IX), 24-25 November 2008, Kyoto, Japan, pp. 19-34.
Keywords: Oil Palm; trunk; cellulose; hemicellulose; lignin; uronic acid
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