Items where Author is "Putra, Azma "

Lubis, Abdul Munir Hidayat Syah and Putra, Azma and Md Yasir, Ahmad Shah Hizam and Irianto, Irianto and Herawan, Safarudin Gazali (2024) Structural and acoustical performances of oil palm trunk waste – Elastomeric thermoplastic polyurethane composite. Heliyon, 10 (5). pp. 1-16. ISSN 2405-8440

Mat Dan, Reduan and Putra, Azma and Yahya, M. Farid and Samsubaha, Muhammad Fadzlee and Rashid, Zaini (2023) Study of axial vibration of a motor-compressor system using operational modal analysis. Sound and Vibration, 57 (1). pp. 119-131. ISSN 1541-0161

Abd Jalil, Nurul Amira and Che Din, Nazli and Cheryl Yew, Shyh-Qi and Pradeepa, Chandramouli and Putra, Azma and Azeem, Waqar (2023) Investigation of the effectiveness of the chancel availability and geometry of four traditional churches in Malaysia: Simulation experiment. Buildings, 13 (4). pp. 1-13. ISSN 2075-5309

Prasetiyo, Iwan and Gunawan and Yuliarto, Brian and Putra, Azma and Irianto (2023) Investigation on minute holes of woven fabrics for wide-band micro-perforated sound absorbers. Buildings, 13 (3). pp. 1-18. ISSN 2075-5309

Putra, Azma and Kassim, Dg Hafizah and Ramlan, Roszaidi (2023) Enhancement of sound absorption of coir fiber using thin layer of kapok fibers. Journal of Natural Fibers, 20 (1). pp. 1-10. ISSN 1544-0478

Shah, Syed Nasir and Kim, Hung Mo and Tee, How Tan and Chin, Chong Ng and Othman, Muhammad Nur and Putra, Azma (2022) Insulating foamed lightweight cementitious composite with co-addition of micro-sized aerogel and hydrogen peroxide. Construction and Building Materials, 360. pp. 1-9. ISSN 0950-0618

Putra, Azma and Kassim, Dg Hafizah and Othman, Muhammad Nur and Oliveira, Thaynan and Souli, M'Hamed and Irianto and Herawan, Safarudin (2022) Waste durian husk fibers as natural sound absorber: performance and acoustic characterization. Buildings, 12 (8). 01-12. ISSN 2075-5309

Ismail, Rainah and Azmi, Muhamad Syafwan and Putra, Azma (2022) Correlation of design parameters of lattice structure for highly tunable passive vibration isolator. Journal Of Vibration And Control, -. pp. 1-14. ISSN 1077-5463

Ngatiman, Nor Azazi and Nuawi, Mohd Zaki and Putra, Azma and Qamber, Isa S. and Tole, Sutikno and Jopri, Mohd Hatta (2021) Sparkplug failure detection using Z-freq and machine learning. TELKOMNIKA (Telecommunication Computing Electronics and Control), 19 (6). pp. 2020-2029. ISSN 1693-6930

Monazzam, Mohammadreza and Putra, Azma and Abdi, Debelo Dugasa and Taban, Ebrahim and Golbabaei, Farideh and Khadem, Monireh (2021) Sound Absorption Performance Of Natural Fiber Composite From Chrome Shave And Coffee Silver Skin. Applied Acoustics, 182. pp. 1-10. ISSN 0003-682X

Sekar, Vignesh and Kassim, Dg Hafizah and Putra, Azma and Noum, Se Yong Eh and Sivanesan, Sivakumar and Chin, Kok Chun and Wong, Yi San (2021) Acoustic Properties Of Micro-Perforated Panels Made From Oil Palm Empty Fruit Bunch Fiber Reinforced Polylactic Acid. Sound and Vibration, 55 (4). pp. 343-352. ISSN 1541-0161

Mo, Kim Hung and Othman, Muhammad Nur and Putra, Azma and Leong, Geok Wen and Chin, Tze Ming and Ibrahim, Zainah (2021) Incorporation Of Crumb Rubber And Air-Entraining Agent In Ultra-Lightweight Cementitious Composite: Evaluation Of Mechanical And Acoustic Properties. Journal of Building Engineering, 42. pp. 1-7. ISSN 2352-7102

Sekar, Vignesh and Eh Noum, Se Yong and Sivanesan, Sivakumar and Putra, Azma and Chin Vui Sheng, Desmond Daniel and Kassim, Dg Hafizah (2021) Effect of thickness and infill density on acoustic performance of 3D printed panels made of natural fiber reinforced composites. Journal of Natural Fibers. pp. 1-9. ISSN 1544-0478

Zulkefli, Zamir Aimaduddin and Othman, Muhammad Nur and Putra, Azma and Mu, Luo and Abdul Jalil, Nawal Aswan and Raja Ahmad, Raja Mohd Kamil (2021) Experimental Investigation Of An Acoustic Metamaterial Barrier Design Composed Of A Square Prism Within A Hexagonal Recess. Asean Engineering Journal, 11 (3). pp. 57-70. ISSN 2586-9159

Mo, Kim Hung and Othman, Muhammad Nur and Putra, Azma and Shah, Syed Nasir and Yap, Soon Poh (2021) Assessment Of Lightweight Recycled Crumb Rubber-Cement Composite Produced By Preplaced Method. Advances in Concrete Construction, 11 (5). pp. 409-417. ISSN 2287-5301

Phuman Singh, Amrik Singh and Putra, Azma and Abu Kassim, Khairil Anwar (2021) Time To Collision For Emergency Obstacle Avoidance. Journal of the Society of Automotive Engineers Malaysia, 5 (2). pp. 223-234. ISSN 2600-8092

Putra, Azma and Wan Mohamad, Wan Mohd Farid and Al Munawir and Herawan, Safarudin (2021) Corrected Statistical Energy Analysis Model In A Non-Reverberant Acoustic Space. Sound and Vibration, 55 (3). pp. 203-219. ISSN 1541-0161

Ismail, Rainah and Putra, Azma and Azmi, Muhamad Syafwan and Nurdin, Muhammad Nasruddin (2021) Numerical Analysis On Static And Dynamic Behavior Of Additively Manufactured BCC Lattice Structures. Journal of Mechanical Engineering Research and Developments, 44 (5). pp. 75-86. ISSN 1024-1752

Putra, Azma and Jameel, Esraa Al-Amer and Mat Dan, Reduan and Mosa, Ali Ibrahim (2020) Sound Absorption Of MPP With Irregular Hole Distribution. International Journal of Advanced Research in Engineering and Technology, 11 (12). pp. 638-648. ISSN 0976-6480

Khavanin, Ali and Taban, Ebrahim and Soltani, Parham and Berardi, Umberto and Putra, Azma and Mousavi, Seyyed Mohammad and Faridan, Mohammad and Samaei, Seyed Ehsan (2020) Measurement, Modeling, And Optimization Of Sound Absorption Performance Of Kenaf Fibers For Building Applications. Building and Environment, 180. pp. 1-17. ISSN 0360-1323

Ramlan, Roszaidi and Mustaffer, Muhammad Harith and Abdul Rahman, Mohd Nazim and Putra, Azma (2020) Experimental Characterization And Performance Of Dynamic Vibration Absorber With Tunable Piecewise-Linear Stiffness. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 42. 03-16. ISSN 1678-5878

Mo, Kim Hung and Ling, Tung Chai and Tie, Tzer Sheng and Alengaram, U.Johnson and Putra, Azma and Loo, Siaw Chuing (2020) Sound Absorption Performance Of Modified Concrete: A Review. Journal of Building Engineering, 30. pp. 1-10. ISSN 2352-7102

Mustaffer, Muhammad Harith and Wan Hashim, Wan Ahmad Faiz and Abdul Rahman, Mohd Nazim and Ramlan, Roszaidi and Putra, Azma (2020) Wideband Non-Linear Vibration Piezoelectric Energy Harvesting Using A Piecewise-Linear Mechanism. International Journal of Nanoelectronics and Materials, 13 (3). pp. 523-536. ISSN 1985-5761

Mosa, Ali Ibrahim and Jameel, Esraa Al-Amer and Ramlan, Roszaidi and Putra, Azma (2020) Absorption coefficient of a double-layer inhomogeneous micro-perforated panel backed with multiple cavity depths. Acoustics Australia, 48 (1). pp. 69-78. ISSN 0814-6039

Mosa, Ali Ibrahim and Putra, Azma and Jameel, Esraa Al-Amer and Ramlan, Roszaidi (2020) Absorption coefficient of a double-layer inhomogeneous micro-perforated panel backed with multiple cavity depths. ACOUSTICS AUSTRALIA, 48 (1). pp. 69-78. ISSN 0814-6039

Putra, Azma and Mosa, Ali Ibrahim and Jameel, Esraa Al-Amer and Ramlan, Roszaidi (2020) Wideband sound absorption of a double-layer microperforated panel with inhomogeneous perforation. Applied Acoustics, 161. pp. 1-10. ISSN 0003-682X

Putra, Azma and Kassim, Dg Hafizah and Ismail, Rainah and Jamil, Mohamad Hafiz and Prasetiyo, Iwan (2020) Effect of fabric layer on sound absorption of micro-perforated panel. International Journal On Engineering Applications, 8 (2). pp. 41-46. ISSN 2281-2881

Prasetiyo, Iwan and Muqowi, Eki and Putra, Azma and Novenbrianty, Melissa and Desendra, Gradi and Adhika, Damar Rastri (2020) Modelling sound absorption of tunable double layer woven fabrics. Applied Acoustics, 157. pp. 1-11. ISSN 0003-682X

Abd Halim, Zakiah and Jamaludin, Nordin and Putra, Azma (2019) The Effect Of Linkages In The Hierarchical Clustering Of Auto-Regressive Algorithm For Defect Identification In Heat Exchanger Tubes. International Journal of Recent Technology and Engineering (IJRTE), 8 (4). pp. 5003-5009. ISSN 2277-3878

Khavanin, Ali and Taban, Ebrahim and Soleimanian, Ardalan and Ohadi, Abdolreza R. and Putra, Azma and Jafari, Ahmad Jonidi and Faridan, Mohammad (2019) Study On The Acoustic Characteristics Of Natural Date Palm Fibres: Experimental And Theoretical Approaches. Building and Environment, 161. pp. 1-11. ISSN 0360-1323

Putra, Azma and Mosa, Ali Ibrahim and Ramlan, Roszaidi and Prasetiyo, Iwan and Jameel, Esraa Al-Amer (2019) Theoretical model of absorption coefficient of an inhomogeneous MPP absorber with multi-cavity depths. Applied Acoustics, 146. 409 - 419. ISSN 0003-682X

Azahari, Norzailan and Putra, Azma and Mat Dan, Reduan and Othman, Muhammad Nur (2019) Sound Insulation Performance Of Kenaf Fibre As A Noise Control Treatment In Car Using Statistical Energy Analysis. Defence S And T Technical Bulletin, 12 (1). 126 - 139. ISSN 1985-6571

Mohd Sa’at, Fatimah Al-Zahrah and Mat Tokit, Ernie and Mohd Ghazali, Normah and Putra, Azma (2019) Study Of Turbulence Characteristics Of An Oscillatory Flow Conditions In Thermoacoustic Using Experimentally Validated Two-Equations Turbulence Model. [Technical Report] (Submitted)

Mat Dan, Reduan and Putra, Azma and Sudin, Mohd Nizam and Abdul Hamid, Abdul Hakim and Mazlan, Rozdman Khaidir (2019) Wear Behaviour Of A-C: H Helical Gear Through Particle Generation. Defence S and T Technical Bulletin, 12 (1). 161 - 175. ISSN 1985-6571

Lim, Z.Y. and Putra, Azma and Mohd Nor, Mohd Jailani and Yaakob, Mohd Yuhazri (2017) Sound Absorption Performance Of Natural Kenaf Fibres. Applied Acoustics, 130. pp. 107-114. ISSN 0003-682X

Cheah, Yee Mun and Putra, Azma and Muhammad, Noryani and Dullah, Abd Rahman and Jenal, Ruztamreen (2017) Modeling dynamics of a building using a portal frame approach. International Review On Modelling and Simulations, 10 (4). pp. 289-295. ISSN 1974-9821

Putra, Azma and Khai, Hee Or and Selamat, Mohd Zulkefli (2017) Oil Palm Empty Fruit Bunch Fibres As Sustainable Acoustic Absorber. Applied Acoustics, 119. pp. 9-16. ISSN 0003-682X

Kassim, Dg Hafizah and Putra, Azma and Mohd Nor, Mohd Jailani and Hamzah, Ain Nur Haznida (2017) Preliminary Study Of Acoustical Treatment In A Scaled Model Mosque. International Review Of Mechanical Engineering (IREME), 11 (4). pp. 222-227. ISSN 1970-8734

Selamat, Mohd Zulkefli and Razi, Mashitah and Kasim, Ayu Natasya and Dhar Malingam, Sivakumar and Putra, Azma and Yaakob, Mohd Yuhazri and Mohd Daud, Mohd Ahadlin (2016) Mechanical properties of starch composite reinforced by pineapple leaf fiber (PLF) from josapine cultivar. ARPN Journal of Engineering and Applied Sciences, 11 (16). pp. 9783-9788. ISSN 1819-6608

Kasim, Ayu Natasya and Selamat, Mohd Zulkefli and Mohd Daud, Mohd Ahadlin and Yaakob, Mohd Yuhazri and Putra, Azma and Dhar Malingam, Sivakumar (2016) Mechanical properties of polypropylene composites reinforced with alkaline treated pineapple leaf fibre from Josapine cultivar. International Journal of Automotive and Mechanical Engineering (IJAME), 13 (1). pp. 3157-3167. ISSN 2229-8649

Putra, Azma and Squicciarini, Giacomo and Thompson, David J. and Zhang, Xianying and Salim, Mohd Azli (2015) Use of a reciprocity technique to measure the radiation efficiency of a vibrating structure. Applied Acoustics, 89. pp. 107-121. ISSN 0003-682X

Putra, Azma and Abd Khair, Fazlin and Mohd Nor, Mohd Jailani (2015) Utilizing Hollow-Structured Bamboo As Natural Sound Absorber. Archives Of Acoustics, 40 (4). pp. 601-608. ISSN 0137-5075

Salim, Mohd Azli and Wan Mohamad, Wan Mohd Farid and Maksom, Zulisman and Kamat, Seri Rahayu and Sukarma, Lukman and Putra, Azma and Abdullah, Mohd Azman (2014) Housing Improvement Using Quality Function Development In Melaka Resident Area:A Case Study. Advanced Review On Scientific Research, 4. p. 13. ISSN 2289-7887

Putra, Azma and Ab. Latif, Nurain Shyafina and Thompson, David J. and Muhammad, Noryani and Mohd Nor, Mohd Jailani and Nuawi, Zaki (2014) Modelling sound radiation from a baffled vibrating plate for different boundary conditions using an elementary source technique. Inter-Noise And Noise-Con Congress And Conference Proceedings, 249 (-). pp. 5812-5819. ISSN -

Salim , Mohd Azli and Putra, Azma and Abdullah, Mohd Azman and Ahmad, Nazirah (2014) Development Of Laminated Rubber-Metal Spring Using Standard Malaysia Rubber Constant Viscosity-60. International Review of Mechanical Engineering (I.RE.M.E.), 8. p. 5. ISSN 1970-8734

Salim, Mohd Azli and Abdullah, Mohd Azman and Putra, Azma (2014) Predicted Transmissibility Of An Experimental Approach For A Laminated Rubber-Metal Spring. American-Eurasian Journal of Sustainable Agriculture, 8. p. 7. ISSN 1995-0748

Putra, Azma and Ismail, Ahmad Yusuf (2014) Normal Incidence Of Sound Transmission Loss From Perforated Plates With Micro And Macro Size Holes. Advances in Acoustics and Vibration, 2014 (-). pp. 1-12. ISSN 1687-627X

Putra, Azma and Ismail, Ahmad Yusuf (2014) Normal Incidence of Sound Transmission Loss from Perforated Plates with Micro and Macro Size Holes. Advances in Acoustics and Vibration. pp. 1-12. ISSN 1687-627X

Putra, Azma and Safarudin Gazali , Herawan and Abdul Hakim, Rohhaizan and Ahmad Faris , Ismail (2014) Prediction of Waste Heat Energy Recovery Performance in a Naturally Aspirated Engine Using Artificial Neural Network. ISRN MECHANICAL ENGINEERING, 2014. pp. 1-6. ISSN 2090-5130

Susilo, Sidik and Putra, Azma and Kok, Swee Leong (2014) Acoustic energy harvesting using flexible panel and PVDF films: a preliminary study. Applied Mechanics and Materials, 554. pp. 712-716.

Putra, Azma and Salim, Mohd Azli and ABDULLAH, Mohd Azman (2014) Analysis of Axial Vibration in the Laminated Rubber-Metal Spring. Advanced Materials Research, 845. pp. 46-50. ISSN 1662-8985

Putra, Azma and Shyafina, Nurain and Muhammad, Noryani and Bakri, Hairul and Saari, Noor Fariza (2014) Development of hybrid semi-analytical and finite element analysis to calculate sound radiation from vibrating structure. Advanced Materials Research, 845 (2014). pp. 71-75. ISSN 1662-8985

Putra, Azma and Cheah, Yee Mun and Muhammad, Noryani and Ahmad Rivai and Wai, Chee Mun (2014) The Effect Of Perforation On The Dynamics Of A Flexible Panel. Advances in Acoustics and Vibration, 2014. pp. 1-18. ISSN 1687-627X

Putra, Azma and Munawir, Al and Mohamad, W. M. F. W. and Mohammad, J. I (2014) The Effect of Direct Field Component on A Statistical Energy Analysis (SEA) Model. Applied Mechanics and Materials, 471. pp. 279-284. ISSN 1660-9336

Abdullah, Mohd Azman and Salim, Mohd Azli and Putra, Azma (2014) Linear And Angular Displacement Relationship Of Natural Rubber Engine Isolator. Applied Mechanics and Materials, 575 (-). pp. 250-253. ISSN 1660-9336

Putra, Azma and ABDULLAH, Mohd Azman and Salim, Mohd Azli (2014) Linear and Angular Displacement Relationship of Natural Rubber Engine Isolator. Applied Mechanics and Materials. pp. 250-253. ISSN 1660-9336

Salim, Mohd Azli and Putra, Azma and Abdullah, Mohd Azman (2014) Mathematical Formulation For Bending Wave In Non-Dispersive Finite Rod. International Review on Modelling & Simulations, 7 (3). pp. 523-530. ISSN 1974-9821

Putra, Azma and Salim, Mohd Azli and ABDULLAH, Mohd Azman (2014) Mathematical formulation for bending moment wave in non-dispersive finite rod. International Review of Mechanical Engineering. pp. 523-530. ISSN 1970-8734

Susilo, Sidik and Putra, Azma and Kok, Swee Leong (2014) Modeling of piezoelectric acoustic energy harvester. Applied Mechanics and Materials, 695. pp. 757-760.

Putra, Azma and Sajidin, Muhammad and Salleh, Norliana (2014) Modelling the Effect of Flexural Vibration on Sound Absorption of A Micro-perforated Panel Using Wave Propagation Method. Applied Mechanics and Materials, 471. pp. 255-260. ISSN 1660-9336

Putra, Azma and Salim, Mohd Azli and ABDULLAH, Mohd Azman (2014) Predicted Transmissibility of an Experimental Approach for a Laminated Rubber-Metal Spring. American-Eurasian Journal of Sustainable Agriculture, 8 (4). pp. 104-110. ISSN 1995-0748

Putra, Azma and Herawan, Safarudin Gazali and Rohhaizan, Abdul Hakim and Ismail, Ahmad Faris (2014) Prediction of Waste Heat Energy Recovery Performance in a Naturally Aspirated Engine Using Artificial Neural Network. ISRN MECHANICAL ENGINEERING. pp. 1-6. ISSN 2090-5130

Herawan, Safarudin Gazali and Rohhaizan, Abdul Hakim and Putra, Azma and Ismail, Ahmad Faris (2014) Prediction of waste heat energy recovery performance in a naturally aspirated engine using artificial neural network. ISRN Mechanical Engineering, 2014. pp. 1-6. ISSN 2356-7872

Putra, Azma and Rivai, Ahmad and Mun, Wai C. and Muhammad, Noryani (2014) Preliminary Investigation On The Perforated Panel Mobility Using Finite Element Method. Applied Mechanics and Materials, 471. pp. 341-346. ISSN 1660-9336

Abd Khair, Fazlin and Putra, Azma and Mohd Nor, Mohd Jailani and Mohd Lazim, Nurul Atiqah and Selamat, Mohd Zulkefli (2014) Preliminary Study On Bamboo As Sound Absorber. Applied Mechanics and Materials, 554 (-). pp. 76-80. ISSN 1660-9336

Putra, Azma and Norfarizan, Siti and Samekto, H and Salim, Mohd Azli (2014) Static Analysis of a Laminated Rubber-Metal Spring Using Finite Element Method. Advanced Materials Research, Vol. 8. pp. 86-90. ISSN 1662-8985

Putra, Azma and Ramlan, Roszaidi and Suhaimi, Khalis (2014) Translational-rotary frequency up conversion vibration based energy harvesting device for human body motion. Applied Mechanics and Materials, 471. pp. 349-354. ISSN 1660-9336

Putra, Azma and Saari, Noor Fariza and Bakri, Hairul and Ramlan, Roszaidi (2014) Vibration strength estimation of a structure-borne source: Case study for a reception beam. Applied Mechanics and Materials, 471. pp. 69-73. ISSN 1660-9336

Putra, Azma and Saari, Noor Fariza and Bakri, Hairul and Ramlan, Roszaidi and Mat Dan, Reduan (2013) Characterisation of structure-borne sound source using reception plate method. The Scientific World Journal, 2013. pp. 1-9. ISSN 1537-744X

Salim, Mohd Azli and Putra, Azma and ABDULLAH, Mohd Azman and Thompson, David and Ahmad, Nazirah (2013) Transmissibility of a Laminated Rubber-Metal Spring: A Preliminary Study. Applied Mechanics and Materials. pp. 661-666. ISSN 1660-9336

Salim, Mohd Azli and Putra, Azma and Thompson, David J. and Ahmad, Nazirah and Abdullah, Mohd Azman (2013) Transmissibility of a laminated rubber-metal spring: a preliminary study. Applied Mechanics and Materials, 393. pp. 661-665. ISSN 1662-7482

Putra, Azma and Ismail, Ahmad Yusuf and Ayob, Md Razali (2013) SOUND TRANSMISSION LOSS OF A DOUBLE-LEAF PARTITION WITH MICRO-PERFORATED PLATE INSERTION UNDER DIFFUSE FIELD INCIDENCE. International Journal of Automotive and Mechanical Engineering (IJAME), 7 (Januar). pp. 1086-1095. ISSN ISSN: 2180-1606

Herawan, Safarudin Gazali and Putra, Azma and Yusof, Ahmad Anas (2013) Effect of CO2 Flow Rate on the Pinang Frond-Based Activated Carbon for Methylene Blue Removal. The Scientific World Journal, 2013 (545948). pp. 1-6. ISSN 1537-744X (Online)

Putra, Azma and Kassim, Dayang H. and YAAKOB, MOHD YUHAZRI and Abdullah, Y and Muhammad, Nor S. and Jenal, Rustamreen and Nor, Mohd Jailani M. (2013) ASSESSMENT OF THE ACOUSTICAL PERFORMANCE IN MALACCA MOSQUE,MALAYSIA: A CASE STUDY ON THE SAYYIDINA ABU BAKAR MOSQUE. Proceedings of the 20th International Congress on Sound & Vibration. pp. 1-8. ISSN 2329-3675

Putra, Azma and Susilo, Sidik (2013) Modeling of Dynamic Response of Beam-Type Vibration Absorbing System Excited by a Moving Mass. International Review of Mechanical Engineering. pp. 813-820. ISSN 1970-8734

Putra, Azma and Muhammad, Noryani and Shyafina, Nurain and Thompson, David J. (2013) RADIATION EFFICIENCY OF A PERFORATED PANEL MODELLED USING ELEMENTARY SOURCE TECHNIQUE. Proceedings of the 20th International Congress on Sound & Vibration. pp. 1-8. ISSN 2329-3675

Putra, Azma and Kassim, Dayang H. and Yakoob, Mohd. d and Nor, M. J. M (2013) Study on the Use of Micro-Perforated Panel to Improve Acoustic Performance in Mosque. Applied Mechanics and Materials, 393. pp. 971-975. ISSN 1660-9336

Salim, Mohd Azli and Putra, Azma and ABDULLAH, Mohd Azman and Noordin, Aminurrashid and Tee, Boon Tuan (2013) Peak Amplitude Transmission on High-Rise Structure by Implementing TMD Method. Advanced Science Letters, 19 (1). pp. 142-146. ISSN 1936-6612

Putra, Azma and Abdullah, Yasseer and Efendy, Hady and Wan Mohamad, Wan Mohd Farid and Salleh, Nor Liana (2013) Biomass from paddy waste fibers as sustainable acoustic material. Advances in Acoustics and Vibration, 2013. pp. 1-7. ISSN 1687-627X

Putra, Azma and Abdullah, Yasseer and Efendy, Hady and Wan Mohamad, Wan Mohd Farid and Salleh, Nor Liana (2013) Biomass from paddy waste fibers as sustainable acoustic material. Advances in Acoustics and Vibration, 2013. pp. 1-8. ISSN 1687-627X

S. G. Herawan and M. S. Hadi and Md. R. Ayob and Putra, Azma (2013) Characterization of Activated Carbons from Oil-Palm Shell by CO2 Activation with No Holding Carbonization Temperature. The Scientific World journal, 2013. pp. 1-6. ISSN 1537-744X

Herawan, Safarudin Gazali and Ayob, Md Razali and Putra, Azma (2013) Characterization of activated carbons from Oil-palm-shell by CO2 activation with no holding carbonization temperature. The Scientific World Journal, 2013 ( (Articl). pp. 1-6. ISSN 1537-744X (Online)

Putra, Azma (2013) The Effect of Uncertainty in the Excitattion on the Vibration Input Power to a Structure. Advance in Acoustics and Vibration, 2013. pp. 1-18. ISSN 1687-627X

Putra, Azma (2013) Fabricating Process and Mechanical Properties of Elastomeric Mount. In: The 7th South East Asia Technical University Consortium (SEATUC) Symposium , March, 4-6 2013, Bandung, Indonesia.

Abdullah, Yasseer and Putra, Azma and Efendy, Hady and Wan Mohamad, Wan Mohd Farid and Ayob, Md Razali (2013) Investigation on sound absorption coefficient of natural paddy fibers. International Journal of Renewable Energy Resources, Vol. 3 (1). pp. 8-11. ISSN 2289-1846

Putra, Azma and Ismail, Ahmad Yusuf and ramlan, roszaidi and Ayob, Md Razali and Sajidin, Muhammad (2013) Normal incidence of sound transmission loss of a double-leaf partition inserted with a micro-perforated panel. Advance in Acoustics and Vibration. pp. 1-24. ISSN 1687-627X

Putra, Azma (2013) Utilizing Sugarcane Wasted Fibers As A Sustainable Acoustic Absorber. Procedia Engineering, 53. pp. 632-638. ISSN 1877-7058

Wai, Chee Mun and Putra, Azma and Ahmad Rivai (2012) Analysis Of Vibration Level Of A Perforated Panel Using Finite Element Method. In: 3rd International Conference on Engineering and ICT (ICEI2012) , 4 – 6 April 2012, Melaka, Malaysia .

Putra, Azma and Fariza, Noor and Ramlan, Roszaidi (2012) CHARACTERIZATION OF A STRUCTURE- BORNE SOURCE USING THE RECEPTION PLATE METHOD. In: 3rd International Conference of Engineering and ICT 2012, 4 - 6 April 2012, Melaka.

Putra, Azma and Ismail, Ahmad Yusuf and Ayob, Md Razali (2012) INSERTION OF A MICRO-PERFORATED PANEL TO IMPROVE SOUND TRANSMISSION LOSS OF A DOUBLE-LEAF PARTITION. In: 3rd International Conference on Engineering and ICT (ICEI2012) , 4 – 6 April 2012, Melaka, Malaysia .

Putra, Azma and Sajidin, Muhammad and Salleh, Norliana and Hady, Efendy (2012) MODELLING THE EFFECT OF VIBRATION ON THE SOUND ABSORPTION PERFORMANCE OF GREEN SOUND ABSORBER USING WAVE PROPAGATION TECHNIQUE. In: 3rd International Conference on Engineering and ICT (ICEI2012) , 4 – 6 April 2012, Melaka, Malaysia .

Abdullah, Yasseer and Putra, Azma and Efendy, Hady and Wan Mohamad, Wan Mohd Farid and Ayob, Md Razali (2012) The effect of binder on the acoustical performance of the paddy straw ‘green’ sound absorber. In: 3rd International Conference on Engineering and ICT (ICEI2012) , 4 – 6 April 2012, Melaka, Malaysia .

Mun Wai, Chee and Putra, Azma and Rivai, Ahmad (2012) Analysis Of Vibration Level Of A Perforated Panel Using Finite Element Method. In: 3rd International Conference on Engineering & ICT (ICEI2012) , 4-6 April 2012, Mahkota Hotel, Melaka. (Submitted)

Mun, Wai C. and Putra, Azma and Rivai, Ahmad (2012) Analysis Of Vibration Level Of A Perforated Panel Using Finite Element Method. In: 3rd International Conference on Engineering & ICT (ICEI2012) , 4-6 April 2012, Mahkota Hotel, Melaka. (Submitted)

Saari, Noor Fariza and Putra, Azma and Bakri, Hairul and Ramlan, Roszaidi (2012) Characterization of a structure-borne source using the reception plate method. In: International Conference on Engineering and ICT 2012, 4-6 April 2012, Mahkota Hotel, Melaka. (Submitted)

Putra, Azma (2012) Effects of Structural Parameters on the Dynamics of a Beam Structure with a Beam-Type Vibration Absorber. Advance in Acoustics and Vibration, 2012. pp. 1-10. ISSN 1687-627X

Putra, Azma (2012) Experimental Investigation on the Effect of Container Geometry Change to Liquid Sloshing. Applied Mechanics and Materials, 165. pp. 160-164. ISSN 1660-9336

Putra, Azma and Munir, Fudhail (2012) On a simple technique to measure the airborne noise in a car interior using substitution source. International Journal of Vehicle Noise and Vibration, 8 (3). pp. 275-287. ISSN 1479-148X

Putra, Azma (2012) On a simple technique to measure the airborne noise in a car interior using substitution source. International Journal of Vehicle Noise and Vibration, 8 (3). pp. 275-287. ISSN 1479-148X

Putra, Azma (2011) Application of Micro-perforated Panel (MPP) in a Vehicle Vabin: Overcoming the ‘Mass-Air-Mass’ Resonance. In: Hari Penyelidikan 2011, Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, 20 Julai, Melaka, Malaysia.

Putra, Azma (2011) Determination of Vibration Strength of a Small Structure-Borne Source Using a High Mobility Reception Plate. In: Hari Penyelidikan 2011, Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, 20 Julai, Melaka, Malaysia.

Putra, Azma (2011) Dried Paddy Straw Fibers as an Acoustic Absorber: A Preliminary Study. In: Hari Penyelidikan 2011, Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, 20 Julai, Melaka, Malaysia.

Putra, Azma (2011) Employing the micro-perforated panel in the vehicle cabin: Is this possible? In: Malaysian Technical Universities International Conference on Engineering & Technology (MUiCET 2011), 13-15 November 2011, UTHM, Batu Pahat, Johor.

Putra, Azma (2011) Experimental Investigation on the Effect of Liquid Fill Level in a Container to Liquid Sloshing. In: Malaysian Technical Universities International Conference on Engineering & Technology (MUiCET 2011), 13-15 November 2011, UTHM, Batu Pahat, Johor.

Putra, Azma (2011) Investigation on Natural Waste Fibers from Dried Paddy Straw as a Sustainable Acoustic Absorber. In: 2011 IEEE First Conference on Clean and Technology CET, 27-29 June, Kuala Lumpur, Malaysia.

Putra, Azma (2011) On a Simple Technique to Measure the Airborne Noise in a Motor Vehicle using Source Substitution. In: Hari Penyelidikan 2011, Fakulti Kejuruteraan Mekanikal, Universiti Teknikal Malaysia Melaka, 20 Julai, Melaka, Malaysia.

Putra, Azma (2011) Peak Amplitude Transmission on High-Rise Structure by Implementing TMD Method. Advanced Science Letters, 19 (1). pp. 142-146. ISSN 1936-6612

Putra, Azma (2011) Radiation efficiency of unbaffled and perforated plates near a rigid reflecting surface. Journal of Sound and Vibration, 330. pp. 5443-5459. ISSN 0022-460X

Putra, Azma and Ayob, Md Razali (2011) Sound Transmission Loss of a Double-Leaf Solid-Microperforated Partition Under Normal Incidence of Acoustic Loading. IIUM Engineering Journal, Special Issue in Mechanical Engineering, 12 (3). pp. 162-174. ISSN 1511-788X

Putra, Azma and Ismail, Ahmad Yusuf and Ayob, Md Razali (2011) Sound transmission loss of a double-leaf solid-microperforated partition under normal incidence of acoustic loading. In: INTERNATIONAL CONFERENCE ON MECHANICAL, AUTOMOTIVE AND AEROSPACE EGINEERIN 2011 (ICMAAE '11), 17 May 2011, Kuala Lumpur.

Putra, Azma (2010) THE CONTRIBUTION OF MOMENT EXCITATION ON THE UNCERTAINTY IN THE VIBRATION INPUT POWER TO A STRUCTURE. In: 3rd Regional Conference on Noise, Vibration and Comfort (NVC) 2010, 28-30th June, 2010, Putra Jaya, Malaysia.

Putra, Azma (2010) Sound radiation from perforated plates. Journal of Sound and Vibration, 329. pp. 4227-4250. ISSN 0022-460X

Putra, Azma (2010) Sound radiation from rectangular baffled and unbaffled plates. Applied Acoustics, 71. pp. 1113-1125. ISSN 0003-682X