UTP Scholars: Dr Tamiru Alemu Lemma


Office Address
17-03-016
Universiti Teknologi PETRONAS
Bandar Seri Iskandar, 32610 Perak
P:
Email: tamiru.lemma@utp.edu.my
Scopus
Author ID
Document Count
69
Total Citations
326
h-Index
10
Co-authors
78
Google Scholar Citations
Author Profile URL
Citations
525
h-Index
14
Research Gate
Author Profile URL
Publications
93
Citations
535
Reads
27,211

As at November 2023

Title:
Senior Lecturer

Specialization:
  • Modelling, Diagnostics and Prognostics (e.g. Stationary/ Industrial Gas Turbine and Long-Distance Pipelines)
  • Mechanical and Mechatronic Systems Design Optimization (e.g. Supersonic Separators, Oil/Water Separators, pipeline isolation plugs)
  • Application of AI and Machine Learning in Mechanical Engineering Discipline
  • Finite Element Analysis of Vibration in Shafts, geared systems, pipelines, Small Bore Connections, Thermowells, and Vibration Isolators
  • Nonlinear model identification (e.g. Wiener, Hammerstein and Volterra Models, Orthonormal Basis, Orthogonal Polynomials, etc.)
  • Fluid Structure Interaction with emphasis on Vibration and Fatigue Life Prediction

Qualifications:
  • 1999, Degree in BSc in Mechanical Engineering by Addis Ababa University, Faculty of Technology
  • 2004, Master in Master of Applied Mechanics by Addis Ababa University, Faculty of Technology
  • 2012, PhD in Mechanical Engineering by Universiti Teknologi PETRONAS

Other Information:

Short Biography:
Tamiru Alemu Lemma received his PhD in Mechanical Engineering from Universiti Teknologi PETRONAS in Malaysia. He is currently a Senior Lecturer at the Department of Mechanical Engineering, Universiti Teknologi PETRONAS. He has published more than 60 journal articles and his main research interests are developing gas turbine models for performance and diagnostics prediction, and artificial intelligence applications.


Number of items: 65.

Vandrangi, S.K. and Lemma, T.A. and Muhammad Mujtaba, S. (2024) Adaptive thresholds-based leak detection using real-time transient modeling of two-phase flows. Process Safety Progress, 43 (S1). S150-S160.

Azeerdeen, M.A. and Lemma, T.A. (2024) CFD Simulation of CO2 Through a Converging�Diverging Nozzle. Lecture Notes in Mechanical Engineering. pp. 177-189. ISSN 21954356

Marode, R.V. and Awang, M. and Lemma, T.A. and Pedapati, S.R. and Hassan, A. and Janga, V.S.R. and Alam, M.A. and Loyte, A. and Devarajan, Y. (2024) Friction stir processing of AZ91 hybrid composites with exfoliated multi-layered graphene: A Taguchi-Grey relational analysis. Journal of Alloys and Compounds, 972.

Marode, R.V. and Awang, M. and Lemma, T.A. and Pedapati, S.R. and Hassan, A. and Janga, V.S.R. (2024) Numerical analysis of temperature and material flow predictions with defects in the friction stir processing of AZ91 alloy: An advanced meshfree SPH technique. Engineering Analysis with Boundary Elements, 161. pp. 48-69.

Soomro, M. and Lemma, T.A. and Gilani, S.I.U.-H. and Shar, M.A. (2024) Optimized Design Point Model of SGT500 Using GasTurb 14. Lecture Notes in Electrical Engineering, 1123 L. pp. 77-83.

Vandrangi, S.K. and Lemma, T.A. and Mujtaba, S.M. (2024) Transient Modeling of Two-Phase Flows Using OLGA. Lecture Notes in Mechanical Engineering. pp. 109-121. ISSN 21954356

Salilew, W.M. and Karim, Z.A.A. and Lemma, T.A. (2024) Variable Geometry Industrial Gas Turbine Part-Load Performance. Lecture Notes in Mechanical Engineering. pp. 191-219. ISSN 21954356

Hashmi, M.B. and Mansouri, M. and Breuhaus, P. and Lemma, T.A. (2023) EFFECT OF HOT GAS PATH COMPONENT CORROSION ON THE PERFORMANCE OF HYDROGEN FUELED MICRO GAS TURBINES. In: UNSPECIFIED.

Marode, R.V. and Pedapati, S.R. and Lemma, T.A. and Loyte, A. and Devarajan, Y. and Thandavamoorthy, R. (2023) Influence of Silicon Carbide on Microhardness and Corrosion Behavior of AZ91/SiC Surface Composites Processed through Friction Stir Processing: Multi-Response Optimization Using Taguchi-Grey Relational Analysis. Silicon, 15 (16). pp. 6921-6943.

Marode, R.V. and Rao Pedapati, S. and Lemma, T.A. and Bellala, S.S.K. (2023) Investigation on AA7075 and AA7075/SiC surface composites using friction stir processing: An experimental and numerical approach. Materials Today: Proceedings.

Paramananthan, N.K.N. and Lemma, T.A. and Awang, M. and Hidayat, M.I.P. (2023) Numerical Investigation of PDC Cutter�Rock Interaction in Drilling Operation Using SPH. Lecture Notes in Mechanical Engineering. pp. 761-786.

Kathiravan, D.M. and Marode, R.V. and Pedapati, S.R. and Lemma, T.A. (2023) Numerical Investigation of Tool Stirring Speed in Friction Stir Processing of AA7075 Using Smoothed-Particle Hydrodynamics. In: UNSPECIFIED.

Salilew, W.M. and Gilani, S.I. and Lemma, T.A. and Fentaye, A.D. and Kyprianidis, K.G. (2023) Simultaneous Fault Diagnostics for Three-Shaft Industrial Gas Turbine. Machines, 11 (8).

Salilew, W.M. and Gilani, S.I. and Lemma, T.A. and Fentaye, A.D. and Kyprianidis, K.G. (2023) Synergistic Effect of Physical Faults and Variable Inlet Guide Vane Drift on Gas Turbine Engine. Machines, 11 (8).

Salilew, W.M. and Abdul Karim, Z.A. and Lemma, T.A. and Fentaye, A.D. and Kyprianidis, K.G. (2023) Three Shaft Industrial Gas Turbine Transient Performance Analysis. Sensors, 23 (4).

Marode, R.V. and Pedapati, S.R. and Lemma, T.A. and Awang, M. (2023) A review on numerical modelling techniques in friction stir processing: current and future perspective. Archives of Civil and Mechanical Engineering, 23 (3). ISSN 16449665

Machmudah, A. and Lemma, T.A. and Solihin, M.I. and Feriadi, Y. and Rajabi, A. and Afandi, M.I. and Abbasi, A. (2022) Design Optimization of a Gas Turbine Engine for Marine Applications: Off-Design Performance and Control System Considerations. Entropy, 24 (12). ISSN 10994300

Salilew, W.M. and Abdul Karim, Z.A. and Lemma, T.A. and Fentaye, A.D. and Kyprianidis, K.G. (2022) The Effect of Physical Faults on a Three-Shaft Gas Turbine Performance at Full- and Part-Load Operation. Sensors, 22 (19). ISSN 14248220

Marode, R.V. and Pedapati, S.R. and Lemma, T.A. (2022) Effect of Process Parameters on AZ91/SiC Surface Composites for Lightweight E-vehicles. In: UNSPECIFIED.

Mujtaba, S.M. and Lemma, T.A. and Vandrangi, S.K. (2022) Gas pipeline safety management system based on neural network. Process Safety Progress, 41 (S1). S59-S67. ISSN 10668527

Muhaimin Ishak, M.I. and Lemma, T.A. and Muhammad Daud, M.H. and Fatimi, N.M. and Rahman, A.R.A. and Rahman, A.A. and Othman, A.R. (2022) IGUSA: Prediction of Ultimate Strength of Fixed Offshore Structures in Malaysian Waters Using Machine Learning Techniques. In: UNSPECIFIED.

Mujtaba, S.M. and Lemma, T.A. and Vandrangi, S.K. (2022) Leak diagnostics in natural gas pipelines using fault signatures. International Journal of Pressure Vessels and Piping, 199. ISSN 03080161

Nor, M.A.M. and Kamaruddin, S. and Lemma, T.A. (2022) Numerical investigation of API 31 cyclone separator for mechanical seal piping plan for rotating machineries. Alexandria Engineering Journal, 61 (2). pp. 1597-1606. ISSN 11100168

Salilew, W.M. and Abdul Karim, Z.A. and Lemma, T.A. and Fentaye, A.D. and Kyprianidis, K.G. (2022) Predicting the Performance Deterioration of a Three-Shaft Industrial Gas Turbine. Entropy, 24 (8). ISSN 10994300

Marode, R.V. and Pedapati, S.R. and Lemma, T.A. and Janga, V.S.R. (2022) Thermo-Mechanical Modelling of Friction Stir Processing of AZ91 Alloy: Using Smoothed-Particle Hydrodynamics. Lubricants, 10 (12). ISSN 20754442

Vijayakumaran, H. and Lemma, T.A. (2021) CFD modelling of non-equilibrium condensation of CO2 within a supersonic nozzle using metastability approach. Journal of Natural Gas Science and Engineering, 85. ISSN 18755100

Hashmi, M.B. and Lemma, T.A. and Ahsan, S. and Rahman, S. (2021) Transient behavior in variable geometry industrial gas turbines: A comprehensive overview of pertinent modeling techniques. Entropy, 23 (2). pp. 1-48. ISSN 10994300

Hidayat, M.I.P. and Lemma, T.A. and Machmudah, A. (2021) A review on connection between meshfree peridynamics and meshfree methods. In: UNSPECIFIED.

Asnawi, K.F.B.A. and Lemma, T.A. (2020) Analysis of the impact of degradation on gas turbine performance using the support vector machine (svm) method. Lecture Notes in Mechanical Engineering. pp. 441-451. ISSN 21954356

Lemma, T.A. and Omar, N. and Gebremariam, M.A. and Ahsan, S. (2020) Anti-friction Bearing Malfunction Detection and Diagnostics Using Hybrid Approach. Lecture Notes in Mechanical Engineering. pp. 117-131. ISSN 21954356

Lemma, T.A. and Muniandy, D. and Ahsan, S. (2020) Automated Pipeline Diagnostics Using Image Processing and Intelligent System. Lecture Notes in Mechanical Engineering. pp. 133-144. ISSN 21954356

Hashmi, M.B. and Majid, M.A.A. and Lemma, T.A. (2020) Combined effect of inlet air cooling and fouling on performance of variable geometry industrial gas turbines. Alexandria Engineering Journal, 59 (3). pp. 1811-1821. ISSN 11100168

Machmudah, A. and Lemma, T.A. (2020) Design-point performance adaptation of small gas turbine using particle swarm optimization. Lecture Notes in Mechanical Engineering. pp. 411-423. ISSN 21954356

Hamza, J.E. and Al-Kayiem, H.H. and Lemma, T.A. (2020) Experimental investigation of the separation performance of oil/water mixture by compact conical axial hydrocyclone. Thermal Science and Engineering Progress, 17. ISSN 24519049

Mujtaba, S.M. and Lemma, T.A. and Gebremariam, M.A. (2020) Fault detection system for long-distance gas mixture pipelines using statistical features. Lecture Notes in Mechanical Engineering. pp. 287-303. ISSN 21954356

Mujtaba, S.M. and Lemma, T.A. and Ammar Taqvi, S.A. and Ofei, T.N. and Vandrangi, S.K. (2020) Leak detection in gas mixture pipelines under transient conditions using hammerstein model and adaptive thresholds. Processes, 8 (4). ISSN 22279717

Syed, M.M. and Lemma, T.A. and Vandrangi, S.K. and Ofei, T.N. (2020) Recent developments in model-based fault detection and diagnostics of gas pipelines under transient conditions. Journal of Natural Gas Science and Engineering, 83. ISSN 18755100

Ahsan, S. and Lemma, T.A. and Gebremariam, M.A. (2020) Reliability analysis of gas turbine engine by means of bathtub-shaped failure rate distribution. Process Safety Progress, 39 (S1). ISSN 10668527

Ofei, T.N. and Jalaludin, A.N. and Habte, A.D. and Lemma, T.A. and Ben-Awuah, J. (2019) Investigation of Plastering Effect in Casing-while-Drilling - A CFD Study. In: UNSPECIFIED.

Hashmi, M.B. and Lemma, T.A. and Karim, Z.A.A. (2019) Investigation of the combined effect of variable inlet guide vane drift, fouling, and inlet air cooling on gas turbine performance. Entropy, 21 (12). ISSN 10994300

Ahsan, S. and Lemma, T.A. and Muhammad, M. (2019) Prognosis of gas turbine remaining useful life using particle filter approach Prognose der verbleibenden Nutzungsdauer einer Gasturbine mittels Partikelfilter-Verfahren. Materialwissenschaft und Werkstofftechnik, 50 (3). pp. 336-345. ISSN 09335137

Lemma, T.A. and Nanji, P. and Gebremariam, M.A. and Ahsan, S. (2019) Remaining useful life prediction of drill string using fuzzy systems and cumulative damage theory. Key Engineering Materials, 796. pp. 145-154. ISSN 10139826

Lemma, T.A. (2018) Application Studies, Part-I: Model Identification and Validation. Studies in Computational Intelligence, 743. pp. 119-169. ISSN 1860949X

Lemma, T.A. (2018) Intelligent Fault Detection and Diagnostics. Studies in Computational Intelligence, 743. pp. 99-117. ISSN 1860949X

Lemma, T.A. (2018) Introduction. Studies in Computational Intelligence, 743. pp. 1-10. ISSN 1860949X

Lemma, T.A. (2018) Literature Review. Studies in Computational Intelligence, 743. pp. 11-35. ISSN 1860949X

Jamil, A. and Baharom, M.B. and Lemma, T.A. (2018) Mathematical Modelling and Transient Thermal Analysis of Coupler-Rocker Bearing. In: UNSPECIFIED.

Lemma, T.A. (2018) Model Identification Using Neuro-Fuzzy Approach. Studies in Computational Intelligence, 743. pp. 37-74. ISSN 1860949X

Lemma, T.A. (2018) Model Uncertainity, Fault Detection and Diagnostics. Studies in Computational Intelligence, 743. pp. 75-97. ISSN 1860949X

Lemma, T.A. (2018) Preface. Studies in Computational Intelligence, 743. vii-viii. ISSN 1860949X

Vijayakumaran, H. and Lemma, T.A. (2018) Simulation of swirling wet steam flow through a supersonic nozzle. In: UNSPECIFIED.

Rahimi, F. and Lemma, T.A. (2017) Gas turbine fault diagnostics using fuzzy systems. In: UNSPECIFIED.

Gebremariam, M.A. and Yuan, S.X. and Azhari, A. and Lemma, T.A. (2017) Remaining tool life prediction based on force sensors signal during end milling of Stavax ESR steel. In: UNSPECIFIED.

Altam, R.A. and Lemma, T.A. and Jufar, S.R. (2017) Trends in Supersonic Separator design development. In: UNSPECIFIED.

Altaf, K. and Rani, A.M.A. and Woldemichael, D.E. and Lemma, T.A. and Jian, C.Z. and Fiqri, M.H. (2016) Application of additive manufacturing/3D printing technologies and investment casting for prototype development of polycrystalline diamond compact (PDC) drill bit body. ARPN Journal of Engineering and Applied Sciences, 11 (10). pp. 6514-6518. ISSN 18196608

Nor, M.A.M. and Al-Kayiem, H.H. and Lemma, T.A. (2016) CFD analysis of swirly flow field in conical and cylindrical cyclones for deoiling applications. ARPN Journal of Engineering and Applied Sciences, 11 (20). pp. 12262-12267. ISSN 18196608

Lemma, T.A. and Hashim, F.M. and Abd Majid, M.A.B. (2016) Exergy based multi-state reliability model for a stationary gas turbine. In: UNSPECIFIED.

Lemma, T.A. and Hashim, F.M. and Abd Majid, M.A.B. (2016) Gas turbine prognostics using fuzzy systems and modified bat algorithm. In: UNSPECIFIED.

Lemma, T.A. and Hashim, F.M. and Majid, M.A.B.A. (2016) Short-term and multi-state reliability model for an industrial gas turbine. ARPN Journal of Engineering and Applied Sciences, 11 (14). pp. 8715-8720. ISSN 18196608

Lemma, T.A. and Hashim, F.M. and Abd Majid, M.A.B. (2016) An integrated approach to industrial gas turbine diagnostics and reliability montoring. ARPN Journal of Engineering and Applied Sciences, 11 (12). pp. 7799-7805. ISSN 18196608

Nor, M.A.M. and Al-Kayiem, H.H. and Lemma, T.A. (2015) Numerical analysis of cocurrent conical and cylindrical axial cyclone separators. In: UNSPECIFIED.

Woldemichael, D.E. and Abdul Rani, A.M. and Lemma, T.A. and Altaf, K. (2015) Numerical simulation of rock cutting using 2D AUTODYN. In: UNSPECIFIED.

Zewge, M.G. and Lemma, T.A. and Ibrahim, A.A. and Sujan, D. (2014) Modeling and simulation of a heat recovery steam generator using partially known design point data. Advanced Materials Research, 845. pp. 596-603. ISSN 10226680

Lemma, T.A. and Fakhruldin, M.H. (2014) Size optimization using normalized radial basis function and bat algorithm. Advanced Materials Research, 845. pp. 631-636. ISSN 10226680

Lemma, T.A. and Hashim, F.M. (2012) Wavelet analysis and auto-associative neural network based fault detection and diagnosis in an industrial gas turbine. In: UNSPECIFIED.

This list was generated on Wed Dec 11 11:32:18 2024 +08.