saadah ahmad sowi, shahrir abdullah, kamaruzzaman sopian.  (2021).  the effect of linearly increasing/decreasing pitch ratio twisted tape with various progression rate and nanofluid towards the system performance.  - thermal science and engineering progress.  1-16. 

saadah ahmad, shahrir abdullah and kamaruzzaman sopian.  (2020).  a review on the thermal performance of nanofluid inside circular tube with twisted tape inserts.  - advances in mechanical engineering.  1-26. 

zambri harun, tajul ariffin norizan, shahrir abdullah, mazharul islam.  (2020).  subsurface vortex control parametric study at submersible pump intake using plate-type floor splitters.  - journal of advanced research in fluid mechanics and thermal sciences.  73-80. 

javad zareei, abbas rohani, wan mohd faizal bin wan mahmood, shahrir abdullah.  (2020).  effect of ignition timing and hydrogen fraction in natural gas blend on performance and exhaust emissions in a di engine.  - iranian journal of science and technology, transactions of mechanical engineering.  737-747. 

saadah ahmad, shahrir abdullah and kamaruzzaman sopian.  (2020).  numerical and experimental analysis of the thermal performances of sic/water and al2o3/water nanofluid inside a circular tube with constant-increased-pr twisted tape.  - energies.  1-24. 

mahir faris abdullah, humam kareem, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon w. ghopa.  (2019).  heat transfer and flow structure of multiple jet impingement mechanisms on a flat plate for turbulent flow.  - international journal of mechanical and mechatronics engineering.  141-160. 

tajul ariffin norizan, zambri harun, shahrir abdullah, wan hanna melini wan mohtar.  (2019).  effects of floor splitter height on the effectiveness of swirl angle reduction in pump intake.  - journal of advanced research in fluid mechanics and thermal sciences.  32-39. 

fadzli ibrahim, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor.  (2019).  study on soot mass fraction and size distribution in a direct injection diesel engine using particulate size mimic soot model.  - journal of thermal science and engineering applications.  . 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon wan ghopa, asmaa soheil najm, noor humam sulaiman.  (2019).  impact of the tio2 nanosolution concentration on heat transfer enhancement of the twin impingement jet of a heated aluminum plate.  - micromachines.  1-22. 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon wan ghopa, ashraf amer abbas.  (2018).  heat transfer augmentation based on twin impingement jet mechanism.  - international journal of engineering & technology.  . 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon wan ghopa.  (2018).  experimental and numerical simulation of the heat transfer enhancement on the twin impingement jet mechanism.  - energies.  . 

hilmi amiruddin, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor, rizalman mamat, azri alias.  (2018).  investigation of the pressure ratio and efficiency of a turbocharger centrifugal compressor with a vaned diffuser.  - world review of science, technology and sustainable development.  . 

abdullah, m.f., zulkifli, r., harun, z., abdullah, s., ghopa, w.a.w., abbas, a.a..  (2017).  experimental investigation on comparison of local nusselt number using twin jet impingement mechanism.  - international journal of mechanical and mechatronics engineering.  60-75. 

sim, j.s.t., zulkifli, r., abdullah, s., harun, z..  (2017).  analysis of boost conversion process for a thermoelectric module.  - international journal of advanced mechatronic systems.  144-150. 

mahir faris abdullah, rozli zulkifli, zambri harun, shahrir abdullah, wan aizon w.ghopa.  (2017).  studying of convective heat transfer over an aluminum flat plate based on twin jets impingement mechanism for different reynolds number.  - international journal of mechanical & mechatronics engineering (ijmme) the international journals of engineering and sciences (ijens).  1-16. 

hilmi amiruddin, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor, mohd fadzli bin abdollah, rizalman mamat, azri alias.  (2017).  effect of vaned diffuser on the performance of small turbocharger.  - journal of mechanical engineering.  227-236. 

fadzli ibrahim, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor.  (2017).  comparison of simple and detailed soot models in the study of soot formation in a compression ignition diesel engine.  - sae international.  1-9. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian.  (2017).  a review of combustion-driven thermoelectric (te) and thermophotovoltaic (tpv) power systems.  - renewable and sustainable energy reviews.  572-584. 

hilmi amiruddin, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor, rizalman mamat, azri alias.  (2017).  application of taguchi method in optimization of design parameter for turbocharger vaned diffuser.  - industrial lubrication and tribology.  409-413. 

f. ibrahim, w.m.f. wan mahmood, s. abdullah and m.r. abu mansor.  (2016).  numerical investigation of soot mass concentration in compression ignition diesel engine.  - journal of mechanical engineering and sciences (jmes).  2275-2287. 

muhamed m.n., omar m.z., abdullah s., sajuri z., zamri w.f.h., rahman m.a.i.a., abdullah m.f..  (2016).  investigation on brazing interface bonding characteristic of aa7075 and aa6061 aluminum alloy with ar500 steel using al-si-zn filler metal.  - jurnal teknologi.  129-135. 

samsudin m., omar m.z., abdullah s..  (2016).  effects of rheocasting and thixoforming on the microstructure and mechanical properties of a356 aluminium alloy.  - jurnal teknologi.  107-113. 

fatah o. al ghuol, k. sopian, and shahrir abdullah.  (2016).  enhancement of integrated solar collector with spherical capsules pcm affected by additive aluminum powder.  - journal of thermodynamics.  1-7. 

rahman m.a.i.a., omar m.z., abdullah s., sajuri z., zamri w.f.h., muhamed m.n., abdullah m.f..  (2016).  effects of wetting time on properties of steel-aluminium brazed joint.  - jurnal teknologi.  51-55. 

aripin m.a., sajuri z., abdullah s., omar m.z., zamri w.f.h., jamil w.n.m., abdullah m.f..  (2016).  microscale groove effect on shear strength of epoxy-bonded dissimilar metal plate.  - journal of adhesion science and technology.  2001-2012. 

fadzli ibrahim, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor.  (2016).  soot particle measurement in engine cylinder: a review.  - jurnal teknologi.  187-195. 

saad aljamali, shahrir abdullah, wan mohd faizal wan mahmood, yusoff ali.  (2016).  effect of fuel injection timings on performance and emissions of stratified combustion cngdi engine.  - applied thermal engineering.  619-629. 

zambri harun, wan aizon w. ghopa, shahrir abdullah, m. izhar ghazali, ashraf amer abbas, mohd rasidi rasani, rozli zulkifli, wan mohd faizal wan mahmood, mohd radzi abu mansor, zulkhairi zainol abidin.  (2016).  the development of a multi purpose wind tunnel.  - jurnal teknologi.  63-70. 

nik muhammad hafiz, mohd radzi abu mansor, wan mohd faizal wan mahmood, fadzli ibrahim, shahrir abdullah, kamaruzzaman sopian.  (2016).  numerical study of hydrogen fuel combustion in compression ignition engine under argon-oxygen atmosphere.  - jurnal teknologi.  77-83. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian.  (2016).  comparative assessment of a porous burner using vegetable cooking oil-kerosene fuel blends for thermoelectric and thermophotovoltaic power generation.  - fuel.  137-147. 

saad aljamali, shahrir abdullah, wan mohd faizal wan mahmood, yusoff ali.  (2016).  the effect of injection timings on performance and emissions of compressed natural-gas direct injection engine.  - journal of combustion.  1-7. 

saad aljamali, shahrir abdullah, wan mohd faizal wan mahmood, yusoff ali.  (2016).  comparative analysis of performance and emission of a homogenous combustion compressed natural-gas direct injection engine.  - international journal of mechanical & mechatronics engineering.  173-183. 

zaid s. kareem, m.n. mohd jaafar, tholudin m. lazim, shahrir abdullah, ammar f. abdulwahid.  (2015).  heat transfer enhancement in two-start spirally corrugated tube.  - alexandria engineering journal.  415-422. 

hyder h. balla, shahrir abdullah, wan mahmood wan mohd faizal, rozli zulkifli, kamaruzaman sopian.  (2015).  enhancement of heat transfer coefficient multi-metallic nanofluid with anfis modeling for thermophysical properties.  - thermal science.  1613-1620. 

jason sim, rozli zulkifli, shahrir abdullah, zambri harun.  (2015).  voltage stabilization of thermoelectric modules using a boost converter.  - international journal of mechanical & mechatronics engineering.  115-122. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian, a.k. ismail.  (2015).  experimental investigation of the performance of a liquid fuel-fired porous burner operating on kerosene-vegetable cooking oil (vco) blends for micro-cogeneration of thermoelectric power.  - renewable energy.  505-516. 

k.f. mustafa, s. abdullah, m.z. abdullah, k. sopian.  (2015).  experimental analysis of a porous burner operating on kerosene-vegetable cooking oil blends for thermophotovoltaic power generation.  - energy conversion and management.  544-560. 

k.f. mustafa, s. abdullah, m. z. abdullah, and k. sopian.  (2015).  combustion characteristics of butane porous burner for thermoelectric power generation.  - journal of combustion.  1-13. 

zaid s. kareem, m.n. mohd jaafar, tholudin m. lazim, shahrir abdullah, ammar f. abdulwahid.  (2015).  passive heat transfer enhancement review in corrugation.  - experimental thermal and fluid science.  22-38. 

kareem z.s., jaafar m.n.m., lazim t.m., abdullah s., abdulwahid a.f..  (2015).  heat transfer enhancement comparisons in different tube shapes.  - international review on modelling and simulations.  232-238. 

mohd rashdan awang, rozli zulkifli and shahrir abdullah.  (2015).  minichannel lcp for ev battery cooling: effect of fin spacing.  - international journal of mechanical & mechatronics engineering.  68-73. 

mohd radzi abu mansor; tan chun hyiin; nik muhammad hafiz; wan mohd faizal wan mahmood; w ghopa wan aizon; shahrir abdullah.  (2015).  fundamental study on combustion characteristics of direct injection gaseous fuel.  - arpn journal of engineering and applied sciences.  7375-7379. 

fadzli ibrahim, wan mohd faizal wan mahmood, shahrir abdullah, mohd radzi abu mansor.  (2015).  a review of soot particle measurement in lubricating oil.  - defense s&t technical bulletin.  141-152. 

fatah. o. al ghuol, k.sopian, shahrir abdullah, mohammed al-ghoul & ali whaad.  (2015).  heat transfer enhancement techniques for solar air collector hater a review.  - modern applied science.  20-34. 

wan noorina wan ahmad, loh wayen, teh lay ann, s kanagasingam, shahrir abdullah, m.m.rahman.  (2015).  irrigant flow in micro-computed tomography scanned root canals using computational fluid dynamics model.  - journal of medical sciences.  192-197. 

helmisyah ahmad jalaludin, mohd ruysdi ramliy, nik rosli abdullah, salmiah kasolang, shahrir abdullah, asiah abd rahim, zeno michael.  (2015).  investigation on characteristics of pome blended diesel engine.  - jurnal teknologi.  1-5. 

kareem z.s., abdullah s., lazim t.m., mohd jaafar m.n., abdul wahid a.f..  (2015).  heat transfer enhancement in three-start spirally corrugated tube: experimental and numerical study.  - chemical engineering science.  746-757. 

saad aljamali, wan mohd faizal wan mahmood, shahrir abdullah and yusoff ali.  (2014).  comparison of performance and emission of a gasoline engine fuelled by gasoline and cng under various throttle positions.  - journal of applied sciences.  14(4): 386-390. 

l. h. jawad, s. abdullah, r. zulkifli, w. m. f. w. mahmood.  (2014).  numerical study on the effect of interaction vaned diffuser with impeller on the performance of a modified centrifugal compressor.  - journal of mechanics.  30(2): 113-122. 

javad zareei, faizal wan mahmood, shahrir abdullah, yusoff ali, taib iskandar mohamed.  (2014).  prediction of performance a direct injection engine fueled with natural gas-hydrogen blends.  - international journal of mechanical and mechatronics engineering.  14(2):1-8. 

ali ahmed gitan,rozli zulkifli,shahrir abdullah,kamaruzzaman sopian.  (2014).  development of pulsating twin jets mechanism for mixing flow heat transfer analysis.  - the scientific world journal.  2014;1-8. 

javad zareei, wan mohd faizal wan mahmood, shahrir abdullah, yusoff ali.  (2014).  effect of hydrogen on natural gas fueled direct injection engine, a theoretical study.  - australian journal of basic and applied sciences.  8-13. 

a. shamsudeen, s. abdullah, a.k. ariffin, m.r.m. rasani and y. ali.  (2014).  design and simulation of a cylinder head structure for a compressed natural gas direct injection engine.  - international journal of automotive and mechanical engineering.  9:1620-1629. 

zaliha wahid, norhamidi muhamad, shahrir abdullah, jaharah a. ghani.  (2014).  the influence of temperature dependant parameters in plastic 0.0nd metal injection molding using taguchi method.  - jurnal teknologi.  51-56. 

hyder h. balla, shahrir abdullah, wan mohd faizal wan mahmood, rozli zulkifli, kamaruzaman sopian.  (2013).  numerical study of the enhancement of heat transfer for hybrid cuo-cu nanofluids flowing in a circular pipe.  - journal of oleo science.  62(7):533-539. 

hyder h. balla, shahrir abdullah, wan mohd faizal wan mahmood, m. abdul razzaq, rozli zulkifli, kamaruzaman sopian.  (2013).  modelling and measuring the thermal conductivity of multi-metallic zn/cu nanofluid.  - research on chemical intermediates.  39(6):2801-2815. 

b. daryakenari, s. abdullah, r. zulkifli, e. sundararajan, a. b. mohd sood.  (2013).  numerical study of flow over ahmed body and a road vehicle and the change in aerodynamic characteristics caused by rear spoiler.  - international journal of fluid mechanics research.  40(4):354-372. 

ali ghadianlou, shahrir abdullah.  (2013).  crashworthiness design of vehicle side door beams under low-speed pole side impacts.  - thin-walled structures.  67:25-33. 

behrang daryakenari, shahrir abdullah, rozli zulkifli.  (2013).  reducing vehicle drag force through a tapered rear side wall.  - sae international journal of commercial vehicles.  6(2):582-588. 

layth h. jawad, s. abdullah, r. zulkifli, and w.m.f.w. mahmood.  (2013).  numerical investigation on the effect of impeller trimming on the performance of a modified compressor.  - cfd letters.  5(4):174-178. 

mohammad h. yazdi, shahrir abdullah, ishak hashim & kamaruzzaman sopian.  (2013).  reducing entropy generation in mhd fluid flow over open parallel microchannels embedded in a micropatterned permeable surface.  - entropy.  15(11):4822-4843. 

hyder h. balla, shahrir abdullah, emad a. jaffar al-mulla, wan mohd faizal wan mahmood, rozli zulkifli, kamaruzaman sopian.  (2013).  effect of reynolds number on heat transfer and flow for multi-oxide nanofluids using numerical simulation.  - research on chemical intermediates.  39(5):2197-2210. 

jawad, l.h., abdullah, s., zulkifli, r., mahmood, w.m.f.w..  (2012).  modelling of centrifugal compressor impellers using adaptive neuro- fuzzy inference systems (anfis).  - international review of mechanical engineering.  6(5):1011-1017. 

rozli zulkifli, ali ahmed gitan, kamaruzzaman sopian, shahrir abdullah.  (2012).  multiple pulsating jets mechanism for heat transfer enhancement.  - international review of mechanical engineering.  6(3):654-658. 

a. azraf, shahrir abdullah, kamaruzzaman sopian.  (2012).  cooling profile of beryllium filter for small angle neutron scattering cryostat using cfd.  - international review of mechanical engineering.  6(2):251-255. 

hyder h. balla, shahrir abdullah, rozli zulkifli, wan mohd faizal and kamaruzzaman sopian.  (2012).  effect of oxides nanoparticle materials on the pressure loss and heat transfer of nanofluids in circular pipes.  - journal of applied sciences.  12(13):1396-1401. 

b. daryakenari, s. abdullah, r. zulkifli, a. shamsudeen.  (2012).  numerical study of multiple channel road vehicle underbody diffusers.  - international review of mechanical engineering.  6(3):583-587. 

layth h. jawad, s. abdullah, r. zulkifli and w.m.f.w. mahmood.  (2012).  numerical simulation of flow inside a modified turbocharger centrifugal compressor.  - asian journal of applied sciences.  5(8):563-572. 

mohammad h. yazdi, shahrir abdullah, ishak hashim and kamaruzzaman sopian.  (2012).  entropy generation analysis of open parallel microchannels embedded within a permeable continuous moving surface: application to magnetohydrodynamics (mhd).  - entropy.  14(1):1-23. 

b. daryakenari, s. abdullah, r. zulkifli, e. sundararajan, a. b. mohd sood.  (2012).  reducing the aerodynamic forces through a rear spoiler.  - international review on modelling and simulations.  5(6): 2512-2517. 

jawad, l.h., abdullah, s., zulkifli, r., mahmood, w.m.f.w..  (2012).  prediction of centrifugal compressor performance by using adaptive neuro-fuzzy inference system (anfis).  - international review on modelling and simulations.  5(4):1580-1587. 

s. abdullah, w.h. kurniawan, m. khamas and y. ali.  (2011).  emission analysis of a compressed natural gas direct-injection engine with a homogenous mixture.  - international journal of automotive technology.  12(1): 29-38. 

a.j. helmisyah, s. abdullah, m.j. ghazali.  (2011).  structure integrity analysis of piston crown against thermal stress for compressed natural gas direct injection engine.  - engineering e-transaction.  6(2):169-174. 

y.m. asri, e.a. azrulhisham, a.w. dzuraidah, a. shahrir, a. shahrum and z. azami.  (2011).  fatigue life reliability prediction of a stub axle using monte carlo simulation.  - international journal of automotive technology.  12(5):713-719. 

m.a. mussa, s. abdullah, c.s. nor azwadi, r. zulkifli.  (2011).  lattice boltzmann simulation of cavity flows at various reynolds numbers.  - international review on modelling and simulations.  4(4):1909-1919. 

mohammad h. yazdi, shahrir abdullah, ishak hashim and kamaruzzaman sopian.  (2011).  effects of viscous dissipation on the slip mhd flow and heat transfer past a permeable surface with convective boundary conditions.  - energies.  4: 2273-2294. 

m.a. mussa, s. abdullah, c.s. nor azwadi, n. muhamad.  (2011).  simulation of natural convection heat transfer in an enclosure by the lattice-boltzmann method.  - computers & fluids.  44(1):162-168. 

m.h. yazdi, s. abdullah, i. hashim, k. sopian.  (2011).  slip mhd liquid flow and heat transfer over non-linear permeable stretching surface with chemical reaction.  - international journal of heat and mass transfer.  54(15-16):3214-3225. 

md isa ali, shahrir abdullah, taib iskandar mohamad.  (2011).  performance of untreated waste cooking oil blends in a diesel engine.  - international journal on advanced science, engineering and information technology.  1(5):523-527. 

taib iskandar mohamad, how heoy geok, shahrir abdullah.  (2011).  effects of open-valve and close-valve injections on the performance of a port injection methane engine.  - international journal on advanced science, engineering and information technology.  1(5):528-533. 

f.y. lim, s. abdullah and i. ahmad.  (2010).  numerical study of fluid flow and heat transfer in microchannel heat sinks using anisotropic porous media approximation.  - journal of applied sciences.  10(18):2047-2057. 

nopiah z.m., baharin m.n., abdullah s., khairir m.i..  (2010).  the detection of abrupt changes for variable amplitude fatigue loading by using running damage extraction method.  - journal of applied sciences.  10(7):544-550. 

r. zulkifli, k. sopian, s. abdullah, m. s. takriff.  (2010).  analysis of pulse air jet flow profiles.  - international review of mechanical engineering.  4(5):495-501. 

s. abdullah, e. adril, a. muchtar and a.k. ariffin.  (2010).  friction reduction in compressed natural gas direct injection engine using piston rings with diffusion chromium coating.  - journal of applied sciences.  10(6):462-470. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah, mohd sobri takriff.  (2009).  comparison of local nusselt number for steady and pulsating circular jet at reynolds number of 16000.  - european journal of scientific research.  29(3):369-378. 

m.h. yazdi, s. abdullah, i. hashim, k. sopian, a. zaharim.  (2009).  entropy generation analysis of liquid fluid past embedded open parallel microchannels within the surface.  - european journal of scientific research.  28(3):462-470. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah, mohd sobri takriff.  (2009).  correlations of percentage increases in local nusselt number with radial distance for steady and pulsating jet.  - international review of mechanical engineering.  3(5): 613-618. 

m.a. kalam, h.h. masjuki, m. redzuan, t. i. mahlia, m. a.fuad, m. mohibah, k.h. halim, a. ishak, m. khair, a. shahrir and a. yusoff.  (2009).  development and test of a new catalytic converter for natural gas fuelled engine.  - sadhana academy proceedings in engineering sciences.  34(3):467-481. 

rozli zulkifli, kamaruzzaman sopian, shahrir abdullah and mohd sobri takriff.  (2009).  comparison of local nusselt number between steady and pulsating jet at different jet reynolds number.  - wseas transactions on environment and development.  5(5):384-393. 

abdullah s., rahmat r.a.a.o.k., zaharim a., muhamad n., deros b.m., kofli n.t., abdullah m., mohd. tahir m., muchtar a., azhari c.h..  (2009).  implementing continual review of programme educational objectives and outcomes for obe curriculum based on stakeholders` input.  - european journal of scientific research.  29(1):89-99. 

adril e., abdullah s., ariffin a.k., muchtar a., omar k..  (2009).  comparative study of characteristic of lubricant oils in gasoline and compressed natural gas engines.  - european journal of scientific research.  30(2):282-293. 

a. r. ismail, y. c. soon, s. abdullah, r. zulkifli, k. sopian, m.n.a. rahman.  (2009).  reverse engineering in fabrication of piston crown.  - european journal of scientific research.  29(1):136-146. 

hassan, m.h.,kalam, m.a. ,mahlia, t.m.i.,aris, i.,nizam, m.k.,abdullah, s.,ali, y..  (2009).  experimental test of a new compressed natural gas direct injection engine.  - energy and fuels.  23(10):4981-4987. 

mohammad hosseini fouladi, mohd. jailani mohd. nor, ahmad kamal ariffin, shahrir abdullah.  (2009).  inverse combustion force estimation based on response measurements outside the combustion chamber and signal processing.  - mechanical systems and signal processing.  23(8):2519-2537. 

how heoy geok, taib iskandar mohamad, shahrir abdullah, yusoff ali, azhari shamsudeen, elvis adril.  (2009).  experimental investigation of performance and emission of a sequential port injection natural gas engine.  - european journal of scientific research.  30(2):204-214. 

wendy hardyono kurniawan and shahrir abdullah.  (2008).  numerical analysis of the combustion process in a four-stroke compressed natural gas engine with direct injection system.  - journal of mechanical science and technology.  22(10):1937-1944. 

w. h. kurniawan, s. abdullah.  (2005).  cfd prediction and analysis of air motion flow characteristics for internal combustion engine.  - paksi j..  8:17-26.