Yewondwosen Gzate -Engineering- Best Researcher Award

Yewondwosen Gzate -Engineering- Best Researcher Award

Mr. Yewondwosen Gzate distinguished academic and researcher in the field Engineering. He has been involved in several research areas, including the potential application of Moringa oleifera extracts as natural preservatives for chicken meat, decision-making and benefit analysis of closed-loop remanufacturing supply chains considering government subsidies, and strategies for economic sustainability with an empirical study on Muri, Mura, and Muda in the readymade garment sector. His seminar participation includes an experimental investigation of heat and fluid flow characteristics on expanded metal mesh roughened solar collectors and a review of insulation materials. He has completed face-to-face training and holds certificates in manuscript writing and publication, research grant writing and proposal development, pedagogical skills training from the University of Gondar, and outstanding life skills training.

🌐 Professional Profile

Educations📚📚📚

He earned a Master of Science (MSc) in Thermal Engineering from Bahir Dar University, Bahir Dar Institute of Technology, Ethiopia. His principal subjects included Advanced Thermodynamics, Advanced Heat Transfer, Computational Fluid Dynamics (CFD), Renewable Energy, Research Methodology, and Advanced Fluid Mechanics. He completed his Bachelor of Science (BSc) in Mechanical and Industrial Engineering at Addis Ababa University, Addis Ababa Institute of Technology, Ethiopia, where he studied subjects such as Statics and Dynamics, Mathematics, Machine Drawing, Strength of Materials, Machine Elements, Machine Design, Turbomachinery, Thermodynamics, Heat Transfer, Renewable Energy, Research Methodology, Fluid Mechanics, Power Plant Engineering, Refrigeration and Air Conditioning (RAC), Gas Turbine, and Internal Combustion Engines (IC). Additionally, he completed a Higher Diploma Program in teaching methodology at the University of Gondar, Gondar Institute of Technology, Ethiopia, where he focused on teaching methodology.

Work Experience

He has worked at the University of Gondar Institute of Technology in Ethiopia, initially as an Assistant Lecturer. In this role, he delivered courses for undergraduate classes, conducted research work, and participated in community service. While working, he pursued a second degree (MSc) at Bahir Dar University, Ethiopia. Subsequently, he advanced to the position of Lecturer at the same institution. As a Lecturer, he continued to deliver courses for undergraduate classes, advised undergraduate students on their project work, engaged in research activities, and remained active in community service.

Mohammad Kojourimanesh – Thermo-Acoustic and Noise Reduction technologies Award – Best Researcher Award

Mohammad Kojourimanesh – Thermo-Acoustic and Noise Reduction technologies Award – Best Researcher Award

Dr. Mohammad Kojourimanesh  distinguished academic and researcher in the field Thermo – Acoustic and Noise Reduction Technologies. With a career spanning from January 2008 to September 2018, he has amassed a wealth of experience across various engineering and leadership roles. Starting as a Supervisor and Designer of Building Installation on a part-time basis at Atay Construction Design Engineering Office, Iran, he oversaw the mechanical installation of over 30 buildings, conducting load calculations and assisting in the selection and sale of HVAC systems. Moving on to Fars Telecommunications Company, Iran, he served as a Senior Supervisor and Designer of Industrial Installation, where he managed preventive maintenance and troubleshooting for mechanical equipment, particularly HVAC systems. His responsibilities included leading teams, conducting load calculations, reviewing designs, and managing supplier relationships.

 

🌐 Professional Profiles

Educations📚📚📚

His academic journey reflects a profound commitment to advancing the field of mechanical engineering, particularly in acoustics, thermo-acoustics, and system-based design. Beginning with his Bachelor of Science in Mechanical Engineering with a focus on heat and fluid mechanics from Shahid Chamran University of Ahvaz, Iran, he exhibited exceptional aptitude, as evidenced by his perfect thesis score of 20/20 for his project on designing and simulating a humanoid robot (ASIMO) using MATLAB Simulink, Visual Nastran, and SolidWorks.

Building upon this foundation, he pursued a Master of Science in Mechanical Engineering (Applied Designing) from Shiraz University, Iran, where he continued to excel. His thesis on “Vibrating loads identification using inverse acoustics” garnered high praise with a score of 19.75/20, underscoring his expertise in the field. Subsequently, he further honed his skills through a Professional Doctorate in Engineering (PDEng.) in Structural Dynamics, Acoustics & Control from the University of Twente, Netherlands. Here, his project on “Noise reduction for ventilation systems with heat exchangers” demonstrated his proficiency in tackling real-world engineering challenges.

His academic journey reached its pinnacle with a Ph.D. from Eindhoven University of Technology, Netherlands, specializing in the Power & Flow group. His groundbreaking research on “System-based Thermo-Acoustic design of central heating Equipment” laid the groundwork for his current endeavors in acoustics and thermo-acoustics design aimed at reducing noise pollution and advancing low-carbon technologies. Now, as a Postdoctoral Researcher at the same institution, he continues to push the boundaries of knowledge in his field, contributing to the innovative project “Acoustics and Thermo-Acoustics Design of Low-Carbon Technologies and reducing Noise Pollution by applying Innovative Compressed Low-Frequency Broadband Mufflers, ATAtechNoise.” Under the guidance of esteemed mentors such as Prof. dr. Philip de Goey, Prof. dr. Ir. Ines Lopez, and Dr. Viktor Kornilov, he remains at the forefront of research and innovation, poised to make significant contributions to the field of mechanical engineering and beyond.

 

Work experience

Transitioning to the role of Mechanical Engineer at Shiraz Railway Organization, Iran, he meticulously followed approved drawings for mechanical equipment such as HVAC systems, escalators, ducting, and piping. His attention to detail and adherence to specifications contributed significantly to project success. His career progressed further as he assumed the position of Head of Urban Gas Supply Office in Galehdar city at the National Iranian Gas Company (NIGC), Iran. Here, he undertook comprehensive responsibilities including controlling, monitoring, and conducting preventive maintenance on gas pipe networks and stations. Additionally, he played a pivotal role in designing gas pipe networks, fostering teamwork, and managing office operations.

His journey culminated in his current role as Co-founder & CEO of ATA Mute B.V. (TU/e spin-off) since March 2023. Here, he serves as the CEO and Design Lead, driving the company’s vision forward and spearheading innovation in low-frequency resonators and mufflers. His tenure at Brink Climate Systems BV., Netherlands, as a Researcher from May 2016 to September 2018, provided him with valuable insights into designing advanced technologies and collaborating effectively with engineers in the R&D department. Throughout his career, he has demonstrated exceptional leadership, technical expertise, and a passion for driving excellence in engineering and innovation.

Honors and Awards:

Throughout his academic and professional journey, he has garnered numerous accolades and honors, underscoring his exceptional contributions and dedication to advancing engineering and innovation. These accolades include securing prestigious grants such as the LimburgToekomstbestendig Innovatie grant, the Take-off Phase 1 program grant from NWO, the TTT-SI program grant from tech-transfer.nl, and the Faculty of Impact program grant from NWO, highlighting his ability to secure funding for impactful research initiatives.

His academic prowess is evident from the full scholarships he received for both his Ph.D. position at TU/e and his PDEng. position at the University of Twente. Additionally, his achievements have been recognized internationally, as evidenced by his recognition as a Top Researcher in Fars Province, Iran, in December 2015. Notably, he was honored as a World Young Professional in the gas industry by the International Gas Union (IGU) in September 2014, being selected among the top 35 young professionals globally in the field. Furthermore, his Master’s thesis was awarded the distinction of the Best Master’s thesis in Iran by the Iranian Society of Acoustics and Vibration in January 2014, showcasing his outstanding academic achievements and contributions to the field of acoustics. These honors reflect his unwavering commitment to excellence and innovation, establishing him as a leading figure in the academic and professional spheres of engineering and beyond.

📝🔬Publications📝🔬

1. M. Kojourimanesh, V. Kornilov, I. Lopez Arteaga, P. de Goey, Intrinsic thermo-acoustic
instability criteria based on frequency response of flame transfer function, in: 51st Int. Congr.
Expo. Noise Control Eng., Glasgow, Scotland, 2022, (Link)

2. M. Kojourimanesh, V. Kornilov, I. Lopez Arteaga, P. de Goey, Stability criteria of two-port
networks, particularly for thermo-acoustic systems, in: Symp. Thermoacoustics Combust. Ind.
Meets Acad., Munich , 2021.

3. M. Kojourimanesh, V. Kornilov, I. Lopez Arteaga, P. de Goey, Mobius transformation between
reflection coefficients at upstream and downstream sides of flame in thermoacoustics systems,
in: 27th Int. Congr. Sound Vib., Prague, 2021.

4. V. Saxena, M. Kojourimanesh, V. Kornilov, P. de Goey, I. Lopez Arteaga, Designing an acoustic
termination with a variable reflection coefficient to investigate the probability of instability of
thermoacoustic systems, in: 27th Int. Congr. Sound Vib., Prague, 2021.

5. M. Kojourimanesh, V. Kornilov, I. Lopez Arteaga, P. de Goey, Theoretical and experimental
investigation on the linear growth rate of the thermo-acoustic combustion instability in: 10th
European Combustion Meeting, Napoli, 2021

6. M. Kojourimanesh, M. Eghtesad, M.R. Hematiyan, Identification of unknown vibrating
pressures in a three-chamber unit using a Computational Inverse Acoustics Method, in: 2nd
Int. Conf. Control. Instrum. Autom., IEEE, 2011: pp. 780–784.

7. M. Kojouri Manesh, M. Eghtesad, M. R. Hematiyan and D. S. Necsulescu, “Time history of
Vibrating loads Identification using Inverse Acoustics”, first International Conference on
Acoustics and Vibration, Tehran,

Umair Jalil Malik – Civil Engineering – Young Scientist Award

 Mr. Umair Jail Malik distinguished academic and researcher in the  Civil Engineering. He is a dedicated Laboratory Engineer at NUST, Pakistan since September 2023, where he delivers engaging lectures to undergraduate students, offering guidance and support in designing and executing research and laboratory experiments. With a keen eye for detail, he meticulously manages lab maintenance and operations, ensuring a conducive environment for academic pursuits. His role extends to conducting lab testing and preparing comprehensive reports to document findings.

Prior to this role, he served as a Junior Engineer at INN Consulting Engineers, where he adeptly prepared reports, designs, and working drawings for various projects. Collaborating closely with architects, he integrated their perspectives seamlessly into designs for client review and approval, showcasing his ability to work within interdisciplinary teams.

His journey in the field began as a Research Assistant, contributing significantly to diverse industrial and commercial projects under the guidance of Dr. Rao Arsalan Khushnood, the Head of Research. Here, he honed his research skills, conducted thorough data analysis, and meticulously documented project progress.

Moreover, he gained valuable experience in construction project management during his tenure at the Project Management Office – NUST, where he excelled in tasks such as cost estimation and quantity takeoff. Earlier, during his internship at Universal Construction Company (Pvt.) Ltd., he developed proficiency in concrete takeoff and structure planning, alongside mastering tools like AutoCAD and Primavera.

 

🌐 Professional Profiles

Educations📚📚📚

He graduated with a Bachelor of Science in Civil Engineering from the National University of Science and Technology (NUST) in Islamabad, Pakistan, in June 2023. With a major in Structural Engineering, he achieved an impressive CGPA of 3.81 out of 4.00. His academic journey culminated in a thesis titled “Evaluation of Effective Stiffness of High-performance Fiber Reinforced Cement Composites (HPFRCC)/Engineered Cementitious Composite at the Material Level, Cross-section Level, and Structural Level.”

Throughout his undergraduate years, he demonstrated a strong commitment to academic excellence and a keen interest in structural engineering. His thesis focused on evaluating the effective stiffness of advanced materials such as High-performance Fiber Reinforced Cement Composites (HPFRCC) and Engineered Cementitious Composite across various levels, showcasing his dedication to exploring innovative solutions in the field.

.Research Interest

 >  High-performance Fiber reinforced cement composites (HPFRCC)/Engineered Cementitious Composite (ECC)
>  Engineering Geopolymer Composite (EGC)
>  Innovative & Sustainable Concrete Technology/3D Printed Concrete
>  Micro-Mechanical Modelling
>  Applications of ML in civil engineering
>  Seismic design
>  Finite Element Analysis
>  Performance Based Design

🏆🏆Award and Honour🏆🏆

He received recognition and accolades for his academic and research achievements. Notably, he participated in the National Competition on Design of Long Span Buildings organized by NED UET Karachi, Pakistan, in February 2022. His project involved the design and performance-based seismic evaluation of a long-span steel structure for an aircraft hangar, securing the 5th position among 30 teams representing 12 different universities across Pakistan.

Additionally, he earned the NUST Merit-Based Scholarship for outstanding academic performance in the 2nd, 3rd, 5th, 6th, and 7th semesters of his undergraduate studies. This scholarship is awarded to the top three students in each class based on GPA, highlighting his consistent excellence throughout his academic journey.

Furthermore, he received research funding for his Final Year Project from Prime Engineering & Testing Consultants, underscoring the quality and relevance of his research endeavors. These honors and awards reflect his dedication, proficiency, and noteworthy contributions to the field of civil engineering and structural design.

He has pursued several professional development courses to enhance his skills and expertise. These include ongoing coursework in Supervised Machine Learning covering Regression and Classification through Stanford University & DeepLearning.AI on Coursera. He also completed an AUTOCAD course from June 2021 to September 2021 as part of the DigiSkills Training Program offered by Virtual University. Additionally, he undertook a course on Building Information Modeling (BIM) Application for Engineers from National Taiwan University on Coursera in April 2021. Furthermore, he enhanced his proficiency in Excel with the Essentials course from Macquarie University, Sydney, Australia, on Coursera in December 2020. Moreover, he sharpened his communication skills by completing the Speak English Professionally course from the Georgia Institute of Technology on Coursera in December 2020. His dedication to continuous learning and acquiring new skills underscores his commitment to professional growth and development.

Conferences and Seminars

He attended several seminars and international events focused on earthquake engineering and structural dynamics. One such event was on “Earthquake Risk Reduction in Pakistan – Issues and Challenges” held on 16/11/2022, where Dr. Fawad Ahmed Najam delivered a talk. Another significant seminar titled “Modeling and Analysis of Tall Buildings and Bridges” took place on 21/02/2022, featuring Dr. Naveed Anwar, the Vice President of the Asian Institute of Technology (AIT), Thailand, as the speaker. Moreover, he participated in the “International Seminar on Earthquake Engineering and Structural Dynamics” on 24/11/2023, where Dr. Igor Tomic shared insights. These events, held at the SCEE Seminar Hall, NICE, H-12, NUST, Islamabad, provided valuable knowledge and networking opportunities in the field of earthquake engineering and structural dynamics.

📝🔬Publications📝🔬

Nabeel Mohammed Saad Kaawash – Physics – Best Researcher Award

Mr. Nabeel Mohammed Saad Kaawash  distinguished academic and researcher in the field  Physics.  A highly motivated researcher, he exhibits a deep commitment to work, characterized by dedication and diligence. Additionally, he has sufficient experience in utilizing computer systems, particularly Microsoft Office programs. Excelling in performing assigned tasks with full dedication and sincerity, he has a strong background in creating nanostructures, specifically in the realm of metal oxides with a primary focus on two-dimensional configurations such as thin films, heterostructures, and compounds. He has gained significant expertise in analyzing characterization techniques and investigating optical properties. Possessing a considerable breadth of knowledge and expertise in photodetector applications, as evidenced by his extensive research and several scholarly publications, he also shows interest in conducting research on pressure sensors. He served as a co-guide for a master’s student project at the Faculty of Physical Sciences/S.R.T.M.U. Nanded for two consecutive academic years (2021-2022 and 2022-2023). He has the ability to carry out other work as determined by the institution itself and has published more than 15 research papers as a lead author and co-author in reputed international journals recorded in ISI-indexed journals.

 

🌐 Professional Profiles

Educations📚📚📚

He is currently pursuing his Ph.D. at Swami Ramanand Teerth Marathwada University, Nanded, under the guidance of Dr. Kashinath A. Bogle. The focus of his research is on “Synthesis of 2D Metal Oxide Nanostructures: Optical and Optoelectronic Properties for Photodetector Device Application.”  Prior to his Ph.D., he completed his M.Sc. in Physics with an impressive CGPA of 8.71 and received an “A++” grade from Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India. During his master’s program, he worked in the Department of Physics under the guidance of Dr. Prabhakar Undre. His project title was “To study the availability of quartz in the soil using FTIR techniques by conducting different samples.”  He obtained his Bachelor’s degree in Physics from the Faculty of Education at Arhab, Sana’a University, Yemen, in 2012, achieving a CGPA of 75.68 and an “A” grade. During this time, he worked in the Department of Physics at Sana’a University.

Certifications

  1. He was awarded a Bachelor’s degree certificate from the Faculty of Education at Arhab, Sana’a University in 2012.
  2. He successfully completed an Application Programs Diploma with a remarkable rate of 92.6% from Wamy for Training & Consultation in 2013.
  3. He earned a certificate for passing his M.Sc. in Physics with an excellent grade of A++ from the Department of Physics at BAMU Aurangabad, India.
  4. He received a certificate for presenting a paper titled “Fabrication of Near Ultraviolet Photodetector using it-Fe2O3 Thin Film Synthesized via Spray Coating Technique” at the ICCTPP-2022 organized by the School of Physics, Dr. Vishwanath Karad MIT World Peace University, Pune, Maharashtra, India, held online from June 9 to 11, 2022.
  5. He participated and presented a paper titled “Analysis of Current-Voltage Curves of ZnO Thin Films under Dark and Optical Stimulus” in the 2nd International Conference on Multifunctional Materials held at Geethanjali College of Engineering and Technology, Keesara, Telangana, India, in December 22-24, 2022.
  6. He holds a certificate acknowledging his involvement in co-supervising two postgraduate (M.Sc.) students during his Ph.D. research tenure at the School of Physical Sciences, SRTMUN, from 2021.
  7. He attended a one-day Familiarization Workshop on “Facilities available at RUSA-Centre for Advanced Sensor Technology for Material Synthesis, Characterization and Device Fabrication” organized by RUSA-Centre for Advanced Sensor Technology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, on September 15, 2017.
  8. He participated in a one-day Intellectual Properties Right (IPR) Workshop on “Patents – Why, What, Where, How? And Filing Indian Patents” organized by RUSA Centre for Advanced Sensor Technology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, on September 29, 2017.
  9. He successfully completed an AICTE Sponsored Six days STTP on “Developing Research and Development Culture in Industry Institute Interaction Oriented Modern Teaching Learning and Project Based Learning” organized by the Department of Electronics & Communication Engineering from September 14 to 19, 2020.
  10. He participated in a National level Online Quiz on “Covid-19 Awareness Championship Quiz“ conducted by the Department of Mathematics, Sree Sevugan Annamalai College, Devakottai during the period of Covid-19 outbreak on June 12, 2020.
  11. He participated in the enduring material titled “Lessons Learned from Around the World” on April 15, 2020, organized by Harvard Medical School and accredited by the Accreditation Council for Continuing Medical Education (ACCME®).

PARTICIPATION IN NATIONAL AND INTERNATIONAL CONFERENCES / WORKSHOP

  • He served as an organizing committee member for the Advancements in Renewable Energy (ICARE-2022) conference held at the School of Physical Sciences, SRTMU Nanded, from January 11 to 13, 2022. Additionally, he attended the International Conference on Current Trends in Physics and Photonics (ICCTPP-2022) organized by the School of Physics, MIT-WPU Pune, from June 9 to 11, 2022.Furthermore, he presented and attended the International Conference on Multifunctional Materials (ICMM-2022) held at Geethanjali College of Engineering and Technology, Hyderabad, Telangana, India, from December 22 to 24, 2022. He also participated in the International Conference on Advances in Renewable Energy (ICARE-2023) organized by the School of Physical Science, SRTMU Nanded, in collaboration with the Society for Materials Chemistry, BARC, Mumbai, from January 11 to 13, 2023.Moreover, he participated in workshops such as the one on “Facilities available at RUSA-Center for Advanced Sensor Technology for Material Synthesis, Characterization and Device Fabrication” organized by RUSA-Center for Advanced Sensor Technology, Dr. BAMU, Aurangabad, in September 2017. He also attended the International Symposium for Foreign Students on Research Methodology, Publication Ethics, and Computer Application in Research organized by SRTMU, Nanded, from June 23 to 25, 2022.Additionally, he took part in a three-day workshop on writing scientific papers and analyzing data using SPSS and LATEX, held in collaboration with the Yemeni Student Union – India from December 5 to 7, 2019.

TECHNICAL EXPERIENCE

With expertise in spray pyrolysis and spin coating systems, I specialize in the growth of metal oxide/sulfide thin films and nanostructures. My experience extends to synthesis and characterization of these materials, particularly for photo-detector applications. I have developed innovative approaches for fabricating photo-detectors, leveraging my expertise in operating advanced equipment such as the X-ray Diffractometer (RIGAKU Mini Flex-II), UV-VISIR Spectrophotometer (Shimadzu), and SEM for thorough analysis. Additionally, I am proficient in utilizing Raman spectroscopy, Photoluminescence spectra (PL), and Fourier-Transform Infrared Spectroscopy (FTIR) for comprehensive characterization and analysis of materials.

Objective

He aims to work in the simplest way possible, leveraging available means, while striving for excellence in every aspect of his life and work. With expertise in materials science and nanotechnology, his objective is to develop innovative photodetector technologies that push the boundaries of performance. His goals include designing and synthesizing novel thin films, heterostructures, and compounds with exceptional properties, aiming to contribute to breakthroughs in electronic devices and scientific advancements. Committed to serving his affiliated institution with utmost attention and sincerity, he aims to effectively communicate his educational background to students using simplified methods. He seeks to inspire and educate the next generation of scholars by delivering engaging courses, fostering critical thinking, and providing guidance to students in their academic and professional endeavors. Ultimately, he aspires to make meaningful contributions to the scientific community while contributing to the effective administration and growth of educational programs.

Publication📚✨📚✨

 

Saquib Ul Zaman – fluid dynamics – Best Researcher Award

Saquib Ul Zaman – fluid dynamics

Dr. Saquib UI Zaman  distinguished academic and researcher in the field  Fluid Dynamics.  He has been serving as a lecturer at Arid Agriculture University, Gujrat campus since Fall 2017 and at the University of Gujrat, Gujrat as a visiting lecturer since Fall 2016. Throughout his tenure, he has demonstrated a keen interest in teaching various subjects including Fluid Mechanics, Numerical Analysis, Differential Equations, and Linear Algebra. His dedication to these areas of study is evident in his teaching approach and commitment to nurturing students’ understanding and proficiency in these subjects.

 

🌐 Professional Profiles

Educations📚📚📚

He completed his Ph.D. in Mathematics with a specialization in Fluid Mechanics from The University of Lahore, Lahore, Pakistan, in 2024, where he submitted a thesis titled “Analysis of the transport phenomena of fluid flow in cylindrical coordinate system and its applications in industry.” Prior to his doctoral studies, he obtained his M. Phil in Mathematics with a focus on Partial Differential Equations from Minhaj University Lahore, Pakistan, in 2017. His research during this time centered around the investigation of singular partial differential equations using the Homotopy perturbation method. He began his academic journey by earning a Bachelor of Science degree in Mathematics from the University of Gujrat, Gujrat, Pakistan, in 2015, laying the foundation for his future academic pursuits and research interests.

Publication

1. Saquib ul zaman, Muhammad Nauman Aslam and Azad HussainChemically reactive MHD fluid flow along with thermophoresis and Brownian effects. Advances in Mechanical Engineering. 2023 Aug;15(8):16878132231193326.
Impact Factor = 2.1.

2. Saquib ul zaman, Muhammad Nauman Aslam, Mathematical analysis of Williamsons fluid with radiations through slender cylinder.International journal of Modelling and Simulations. Impact Factor = 3.1

3.Saquib ul zaman, Muhammad Nauman Aslam and Azad Hussain,Nawal A. Alshehri,Ahmad M. Zidan,Analysis of heat transfer in a non-Newtonian nanofluid model with temperature-dependent viscosity flowing through a thin cylinder. Case studies in thermal engineering. Impact Factor = 6.8.

4.Saquib ul zaman, Muhammad Nauman Aslam and Azad Hussain, Williamson MHD nanofluid flow with radiation effects through slender cylinder. Impact Factor = 4.5.

5. Saquib ul zaman, Muhammad Nauman Aslam and Azad Hussain, Theoretical analysis of Williamson fluid in the reverse roll coating process. (submitted)

6. Saquib ul zaman, Muhammad Nauman Aslam and Azad Hussain, Mathematical analysis of Isothermal study of reverse roll coating using Micropolar fluid. (submitted)