Dr. Othman Inayatullah
Senior LecturerUniversity College of Technology Sarawak, Malaysia
Highest Degree
Ph.D. in Mechanical and Materials Engineering from Universiti Kebangsaan Malaysia, Malaysia
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Area of Interest:
Selected Publications
- Mohammad, M., S. Abdullah, N. Jamaludin, O. Innayatullah, M. Mohammad, S. Abdullah and O. Innayatullah, 2018. Fatigue life assessment of SAE 1045 carbon steel under strain events using the Weibull distribution. J. Mech. Eng., 5: 165-180.
Direct Link | - Gholizadeh, S., Z. Leman, B.T.H.T. Baharudin and O. Inayatullah, 2018. Acoustic emission analysis for characterisation of damage mechanisms in glass fiber reinforced polyester composite. Aust. J. Mech. Eng., 16: 11-20.
CrossRef | Direct Link | - Inayatullah, O. and V. Sinnasamy, 2017. Condition monitoring of the uncoated carbide cutting tool in turning process of the aluminum alloy 6061 via vibration. Periodicals Eng. Nat. Sci., 5: 298-304.
CrossRef | Direct Link | - Kurniawan, Y., H. Yohan, N.A. Rahman, N. Mutasim, O. Inayatullah, N.A. Yusuff and N.Y. Musa, 2016. The energy effects of salutation upon prophet muhammad based on the change of colour aura. Perspective: J. Sci. Soci. Humanity, 8: 109-121.
Direct Link | - Jusoh, M.Z.M., N.A. Aziz and O. Inayatullah, 2016. Computational fluid dynamic simulation of flow velocities dissipation by mangrove roots structure. ARPN J. Eng. Applied Sci., 11: 9606-9612.
Direct Link | - Dawood, S.D.S., O.B. Inayatullah and R.B. Samin, 2015. Computational study of the effect of using open isogrids on the natural frequencies of a small satellite structure. Acta Astronautica, 106: 120-138.
CrossRef | Direct Link | - Ng, K.M., N.M. Adam, O. Inayatullah and M.Z.A. Ab. Kadir, 2014. Assessment of solar radiation on diversely oriented surfaces and optimum tilts for solar absorbers in Malaysian tropical latitude. Int. J. Energy Environ. Eng., 75: 1-13.
- Najihah, A.R., A.A. Nuraini and O. Inayatullah, 2014. An analytical model of homogeneous charge compression ignition engine for performance prediction. Applied Mech. Mater., 564: 8-12.
CrossRef | Direct Link | - Mohammad, M., S. Abdullah, N. Jamaludin and O. Innayatullah, 2014. Predicting the fatgue life of the SAE 1045 steel using an empirical weibull-based model associated to acoustic emission parameters. Mater. Design, 54: 1039-1048.
- Mohammad, M., S. Abdullah, N. Jamaludin and O. Innayatullah, 2014. Life prediction of SAE 1045 carbon steel using the acoustic emission parameter. J. Applied Mech. Mater., 471: 329-334.
CrossRef | Direct Link | - Mohammad, M., S. Abdullah, N. Jamaluddin and O. Innayatullah, 2014. Observing the frequency analysis of acoustic emission pattern during tensile test of SAE 1045 steel. Int. J. Fracture Fatigue Wear, 2: 75-79.
- Mat, F., K.A. Ismail, M. Ahmad, S. Yaacob and O. Inayatullah, 2014. Dynamic axial crushing of empty and foam-filled conical aluminium tubes: Experimental and numerical analysis. Applied Mech. Mater., 566: 305-309.
CrossRef | Direct Link | - Inayatullah, O., W.S. Chin, N. Jamaludin, S. Abdullah and A. Ariffin, 2014. Monitoring the petrol engine oil viscosity: Investigation of the capability of the metal magnetic memory technology. Applied Mech. Mater., 663: 453-458.
Direct Link | - Inayatullah, O., F. Hamid, H.W. Hon, N. Jamaludin and S. Abdullah, 2014. The assessment of material characteristic using vibration signal analysis during drilling process. Applied Mech. Mater., 598: 3-7.
CrossRef | Direct Link | - Adibah, A., O. Inayatullah, M.S. Ujila, A.A. Nuraini, S.B. Barkawi and N. Jamaludin, 2014. Single-grade engine lubricant: Introduce viscosity index numerical order (VIno). Applied Mech. Mater., 564: 83-88.
CrossRef | Direct Link | - Mohammada, M., S. Abdullaha, N. Jamaludina and O. Innayatullahb, 2013. Quantitative relationship between strain and acoustic emission response in monitoring fatigue damage. Jurnal Teknologi, 66: 43-47.
- Mohammad, M., S. Abdullah, N. Jamaludin, O. Innayatullah and Z.M. Nopiah, 2013. Fatigue failure assessment of metallic specimens using the acoustic emission technique. Mater. Test., 55: 310-318.
CrossRef | Direct Link | - Mohammad, M., S. Abdullah, N. Jamaluddin and O. Innayatullah, 2013. Acoustic emission evaluation of fatigue life prediction for a carbon steel specimen using a statistical-based approach. Mater. Testing, 55: 487-495.
CrossRef | Direct Link | - Inayatullah, O., N. Jamaludin and M.J.M. Nor, 2013. Application of acoustic emission technique to monitor the viscosity of single grade diesel engine lubricant oil. Adv. Sci. Lett., 19: 216-220.
CrossRef | Direct Link | - Aziz, N.A., N.A. Rahman and O. Innayatullah, 2013. Control of Homogeneous Charge Compression Ignition (HCCI) engine through stochastic variables. World Applied Sci. J., 27: 359-366.
- Abdul Aziz, N., O. Inayatullah, M. Jusoh and M.Z. Bin, 2013. The mechanism of mangrove tree in wave energy propagation. Adv. Mater. Res., 614-615: 568-572.
CrossRef | Direct Link | - Mat, F., K.A. Ismail, S. Yaacob and O. Inayatullah, 2012. Impact response of thin-walled tubes: A prospective review. J. Applied Mech. Mater., 165: 130-134.
CrossRef | Direct Link | - Jamaludin, N., O. Inayatullah, M.J.M. Nor and F. Mat, 2011. Relationship between engine oil viscosity with age and temperature. Sains Malaysiana, 40: 509-513.
- Fouladi, M.H., M.J.M. Nor, O. Inayatullah and A. Kamal, 2011. Evaluation of seat vibration sources in driving condition using spectral analysis. J. Eng. Sci. Technol., 6: 342-358.
Direct Link | - Inayatullah, O., N. Jamaludin, M.J.M. Nor, Y. Ali and F. Mat, 2010. Development of acoustic emission viscosity model for measuring engine oil viscosity relationship with engine oil in-service age. Tribol. Online, 5: 255-261.
CrossRef | - Inayatullah, O., N. Jamaludin, M.J.M. Nor and F. Mat, 2009. Monitoring Viscosity of diesel engine oil by using acoustic emission technique-selection measurement parameters. J. NDT Spectra, 3: 60-68.
- Inayatullah, O., N. Jamaludin, M.J.M. Nor and Y. Ali, 2008. Monitoring the diesel engine oil viscosity by acoustic emission method: Part 2-relationship between acoustic emission energy with temperature of engine oil. J. Technol., 49: 55-76.
- Inayatullah, O., M.J.M. Nor, N. Jamaludin and T.I. Mohamad, 2008. Determine the location of the acoustic emission sensor in monitoring the viscosity of the diesel engine oil. J. Technol., 49: 19-38.
- Inayatullah, O., 2004. Development engine condition monitoring technology acoustic emission method. J. Malaysian Army (Soratan Darat), 44: 61-73.