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KEYNOTE SPEAKERS

Professor Manosh Paul

Professor Manosh Paul

Email: Manosh.Paul@glasgow.ac.uk

University of Glasgow, UK

Speech Title: Roles of Bio-Hydrogen in Net-Zero Energy and Sustainability

Abstract:In this talk he will begin by providing a brief overview of the current challenges of energy decarbonisation and the potential roles of hydrogen and bioenergy-based carbon capture, utilization and storage (BECCUS) in the net-zero energy transition. He will then focus on the University of Glasgow’s research activities that are particularly relevant to these, highlighting (i) advanced thermochemical/gasification routes for the production of low/carbon-neutral bio-hydrogen (i.e. H2-enrich biosyngas) from biomass and waste, and (ii) combustion challenges of these fuels for end-use applications.

The presentation will also highlight research progress in the context of BECCUS, which has the potential to provide net-negative emission bio-hydrogen.

Professor firoz alam

Professor Firoz Alam

Email: firoz.alam@rmit.edu.au

School of Engineering
RMIT University, AUSTRALIA

Speech Title: A Prospective New Energy Hydrogen: Challenges and Opportunities

Abstract: The increasing global population and socio-economic activities have led to a significant surge in energy demand, accompanied by severe environmental pollution and climate change issues such as global warming, frequent extreme weather events, and biodiversity losses. Furthermore, the reserves of fossil fuels are finite and rapidly depleting. Therefore, the finding of alternative zero-emission and/or low-carbon new energy (such as solar, wind, geothermal, and hydrogen energy) has become vital to developing cleaner, more efficient, and sustainable energy solutions. To achieve both the "carbon neutral" goals and worldwide sustainable energy development, the production of green hydrogen is crucial. Green hydrogen can efficiently balance energy supply and demand by converting excess renewable energy into hydrogen for storage and transportation, thereby increasing the overall stability and efficiency of the energy system, especially considering the intermittent and unpredictable nature of solar and wind renewable energy supplies. Thus, the main objectives of this work are to provide an overview of global renewable hydrogen energy development, challenges, opportunities, and a roadmap for a green hydrogen strategy for emerging and developing countries, including Bangladesh.

Professor Somnath Chattopadhya

Professor Yingai Jin

Email: jinya@jlu.edu.cn

Jilin University, CHINA

Speech Title: The Application of Energy Storage Technologies in Integrated Energy Systems: Current Status, Challenges, and Future Prospects

Abstract: Integrated Energy Systems (IES) are becoming increasingly essential for achieving high energy efficiency and ensuring stable energy supply, especially with the growing share of renewable energy sources. Energy storage technologies play a pivotal role in these systems by balancing energy supply and demand, stabilizing grid operations, and enhancing the flexibility of energy use. This study provides an overview of the current applications of various energy storage technologies, including electrochemical, mechanical, thermal, and chemical storage, in IES. The advantages and limitations of each technology are discussed, along with their specific roles in IES implementation. Additionally, key challenges related to technology, cost, and policy that impede the widespread adoption of storage solutions are identified. Finally, future trends in energy storage development are explored, with a focus on technological advancements, cost reductions, and policy frameworks that could facilitate the large-scale integration of storage technologies into IES.

 

Professor md aziz

Professor Muhammad Aziz

Email: maziz@iis.u-tokyo.ac.jp

University of Tokyo, JAPAN

Speech Title: Progress on Clean Hydrogen Production Based on Chemical Looping and Its Efficient Storage Employing Triply Periodic Minimal Surface Structure

Abstract: Hydrogen has been considered as a promising clean secondary energy source in the future,accompanying electricity. The production of hydrogen can be conducted via several routes, including thermochemical, electrochemical, and biological processes. Among thermochemical conversion technologies, chemical looping has a high potential to be adopted in the future due to its high energy efficiency and the capability to separate CO2 simultaneously during the conversion. First, chemical looping with three circulated reactors is adopted for clean hydrogen production. The system consists of a fuel reactor, a steam reactor, and an air reactor. Oxygen carriers are circulated among those reactors to facilitate the reaction, especially in terms of reduction and oxidation. However, to establish this technology, several challenges must be clarified and solved, especially some issues correlated to the performance of oxygen carriers, reaction mechanisms, reactor and particle fluidization, controllability, and process integration. Several of our works on those issues are described in order to improve the feasibility of three-reactor chemical looping technology. Second, triply periodic minimal surface is further developed and adopted for absorption-based efficient hydrogen storage. The structure has significant advantages as hydrogen storage due to its high strength, excellent heat exchange, high structural freedom, and excellent topological optimization. Some structures and their topological optimization have been explored in order to obtain the most efficient hydrogen storage in terms of hydrogen storage density, charging and discharging rates, and mechanical strength.

Professor md Rahman

Professor Xingjian Jing

Email: xingjing@cityu.edu.hk

City University of Hong Kong, HONG KONG

Speech Title: Beneficial Nonlinear Design in Engineering: The X-Structure/Mechanism Approach

Abstract: Nonlinearity can take an important and critical role in engineering systems and thus cannot be simply ignored in structural design, dynamic response analysis, and parameter selection. A key issue is how to analyze and design potential nonlinearities introduced to or inherent in a system of under study, which is greatly demanded in many practical applications involving vibration control, energy harvesting, sensor systems and robots etc. This talk will present an up-to-date review on a cutting-edge method for manipulation and employment of nonlinearity in engineering systems developed in recent years, named as the X-structure or mechanism approach. The method is inspired from animal leg/limb skeletons and can provide passive low-cost high-efficiency adjustable and beneficial nonlinear stiffness (high static & ultra-low dynamic), nonlinear damping (dependent on resonant frequency and vibration excitation amplitude) and nonlinear inertia (low static & high dynamic) individually or simultaneously. The X-shaped structure or mechanism is a generic and considerably simple structure or mechanism representing a class of beneficial geometric nonlinearity with realizable and flexible linkage mechanism or structural design of different variants or forms (quadrilateral, diamond, polygon, K/Z/S/V-shape, or others) which all share similar geometric nonlinearity and thus similar nonlinear stiffness/damping properties, flexible in design and easy to implement. This talk systematically reviews the research background & motivation, essential bio-inspired ideas, advantages of this novel method, beneficial nonlinear properties in stiffness, damping and inertia, and potential applications, and ends with some remarks and conclusions.

Professor.... Xingjian Jing

Professor Mohammad Yeakub Ali

Email: yeakub.ali@utb.edu.bn

Universiti Teknologi Brunei, BRUNEI

Speech Title: Project Management: The Integral Part of Mechanical Engineering Curriculum

Abstract: Project management is a set of crucial skills for any mechanical engineer to deliver successful outcomes, meet deadlines, and manage all resources effectively. Moreover, in the competitive globalization environment, the effective application of project management skills is more than crucial. People are increasingly looking to education to acquire marketable skills to gain the right opportunities in their chosen field. An education is imperative for career advancement and staying current with industry trends. Undergraduate engineering curriculum in Bangladesh, perhaps the heaviest in the world, did not include any comprehensive deliberation on project management. Alternatively, Institution of Engineers, Bangladesh has introduced “project management for engineers” short course or micro credential which is an incredible initiative. Finally, considering the present engineering business world, the author argued that intensive teaching of project management to undergraduate mechanical engineering students is vital. A survey showed that the students are overwhelmed with the prospects of project management along with engineering practices.

Professor Md. Mahbub Alam

Professor Md. Mahbub Alam

Email: alam@hit.edu.cn

Harbin Institute of Technology (Shenzhen), CHINA

Speech Title: A review of blockage and wall effects on flow-induced vibrations of various bluff bodies

Abstract:Flow-induced vibration is of importance in many engineering applications as it causes immediate or fatigue damage to structures due to large vibration amplitudes and massive increases in unsteady forces compared with the case of stationary structures. Bluff bodies subjected to fluid flow are unconfined or confined by two parallel walls or by one wall in many engineering applications and nature (Fig. 1). They may undergo vortex-induced vibrations and/or galloping depending on the body shape and the confinement degree. Given the basis of applications and strong wall-cylinder interactions, we aim to critically review the literature on the effect of wall confinement on flow-induced vibrations of various bluff bodies including circular, square, rectangular, and rounded-corner cylinders at different values of Reynolds number, mass ratio, and damping ratio. Synthesized are the effects of the flow confinement by two walls or one wall on vibration response, frequency response, lock-in, hysteresis in vortex-induced vibration (VIV), width of VIV, aerodynamic force, vortex shedding, motion trajectory, phase lag, and galloping at different ranges of mass ratio, damping ratio, and Reynolds number. For a circular cylinder, when the blockage ratio is increased, the maximum vibration amplitude in VIV becomes small, the VIV range shrinks and shifts to smaller reduced velocities, and hysteresis between initial and lower branches comes into being. The shift in the VIV range ensues from the increased natural vortex shedding frequency with the increased blockage ratio. For a square cylinder, the effect of blockage ratio on vibration amplitude is not straightforward but depends on the cylinder mass ratio.

Dr. Ashraful Islam

Dr. Ashraful Islam

Email: ISLAM.Ashraful@nims.go.jp

National Institute for Materials Science (NIMS), JAPAN

Speech Title: Coadditive and device engineering for high performance perovskite solar cells

Abstract:Perovskite solar cells (PSCs) have shown a jump in power conversion efficiency (PCE) of 26% in just over a decade, have become one of the top choices for next generations of solar cells, and are now at the frontline competing against conventional Si solar cells.1-3 We used heavily doped inorganic charge extraction layers in planar PSCs to achieve very rapid carrier extraction and eliminating local structural defects over large areas. This robust inorganic nature allowed us for the fabrication of PSCs showing hysteresis free I-V characteristics with high stablity.4-5 Tin based perovskite solar cells (Sn-PSCs) has emerged as a viable solution for the fabrication of low toxic PSCs. However, the rapid crystallization process of tin halide perovskite compounds often results in severe electronic defects which limits the open circuit voltage (VOC) of the overall PSC. To enhance the quality of perovskite film, additives engineering is a well-known process for both Pb and Sn-based PSCs to slow down the crystallization rate.6 Here, we present a co-additive and compositional engineering for FASnI3 based PSCs.7-9 These positive aspects of this process made us able to boosts the power conversion efficiency over 15%.

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