Papers

1  ) Fractionation and characterization of oil palm (Elaeis guineensis) as treated by supercritical water

Authors: M.Varman, H. Miyafuji, S. Saka

Download: M. Varman     pdf

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

Download: M. Varman_2     pdf

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

Download: Link     pdf        englishproceeding

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.

Download: CoAT36Mahendra

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

Download: openacc_M Varman

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 

Download: openacc_M Varman2

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

Download: Link

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

Download: Link

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

Download: Link

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

Download: Link       pdf

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

Download: Link       pdf       pdf2

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

Downloadpdf      smallpdf

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

Downloadpdf

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

Downloadpdf     link

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

Downloadpdf     smallpdf 

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

Downloadpdf     pdf2 

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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: K. Hasni, A. Nabi, M. Varman and Z. Ilham

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Downloadpdf

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

Download: link1       link2

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

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s