Dr. Othman  Inayatullah
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Dr. Othman Inayatullah

Senior Lecturer
University 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:

Engineering
100%
Mechanical Engineering
62%
Materials Science
90%
Applied Mechanics
75%
Electric Engineering
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. 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.
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  2. 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  |  
  3. 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  |  
  4. 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  |  
  5. 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  |  
  6. 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.
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  7. 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.
  8. 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  |  
  9. 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.
  10. 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  |  
  11. 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.
  12. 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.
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  13. 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.
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  14. 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  |  
  15. 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.
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  16. 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.
  17. 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  |  
  18. 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  |  
  19. 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  |  
  20. 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.
  21. 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  |  
  22. 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  |  
  23. 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.
  24. 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  |  
  25. 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  |  
  26. 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.
  27. 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.
  28. 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.
  29. Inayatullah, O., 2004. Development engine condition monitoring technology acoustic emission method. J. Malaysian Army (Soratan Darat), 44: 61-73.