Xuanhe Han | Hydraulic Engineering | Best Researcher Award

Dr. Xuanhe Han | Hydraulic Engineering | Best Researcher Award

PhD Candidate at Hainan University, China

Xuanhe Han is a PhD candidate in Deep-Sea Mining at the College of Marine Science and Engineering, Hainan University, where he also completed an accelerated M.Sc.-to-PhD program in Control Engineering. His research focuses on multiphase flow visualization and sustainable mining systems, with contributions including the development of dual-modality electrical tomography and innovative models for gas-liquid two-phase flow. He has published 7 SCI-indexed papers—one as first author in Ocean Engineering (IF 5.0)—and contributed to four major research projects, including China’s State Key R&D Program. Recognized with a First-Class Academic Scholarship, Han’s work bridges advanced fluid mechanics with real-world applications in environmentally responsible deep-sea resource development.

Professional Profile 

🎓 Education of Xuanhe Han

Xuanhe Han is currently pursuing his Ph.D. in Deep-Sea Mining at the College of Marine Science and Engineering, Hainan University (2024–present), under the supervision of Professor Yijun Shen. Prior to this, he completed his M.Sc. in Control Engineering (2022–2024) through Hainan University’s prestigious accelerated master-to-doctoral program, designed for high-performing students. His academic foundation combines interdisciplinary expertise in engineering systems and ocean technology, equipping him with the technical and analytical skills required for cutting-edge research in sustainable deep-sea resource development.

💼 Professional Experience of Xuanhe Han

Xuanhe Han has accumulated significant research experience through active participation in national and provincial-level projects related to deep-sea mining and multiphase flow systems. As a core researcher in China’s State Key R&D Program on intelligent equipment for deep-sea mineral resource development (2021–2025), he has contributed to the advancement of sustainable marine technologies. He also served as a research member in a National Natural Science Foundation project focused on gas-liquid flow mechanisms in mining systems (2023–2027), and as the technical lead for Hainan’s provincial project assessing the environmental impacts of deep-sea mining (2021–2023). Additionally, Han was the principal investigator of a university-level innovation project on novel tomography techniques (2020–2022), showcasing his leadership and technical expertise at an early career stage.

🔬 Research Interest of Xuanhe Han

Xuanhe Han’s research interests lie at the intersection of deep-sea engineering, fluid dynamics, and sustainable resource extraction. He focuses on multiphase flow behavior in deep-sea mining systems, particularly in the development and optimization of airlift pump technologies. His work involves advanced flow visualization techniques, such as dual-modality electrical tomography, to monitor and analyze gas-liquid interactions in real time. Additionally, he is interested in integrating ocean thermal energy conversion and waste heat recovery systems to improve the energy efficiency of offshore operations. With a strong commitment to environmental sustainability, Han also explores the ecological impact of deep-sea mining activities, aiming to balance technological advancement with ocean conservation.

🏅 Awards and Honors of Xuanhe Han

Xuanhe Han has been recognized for his academic excellence and research potential through several prestigious honors. He is a recipient of the First-Class Academic Scholarship at Hainan University for the period 2022–2025, awarded to top-performing graduate students demonstrating outstanding academic achievement and research contributions. This scholarship reflects his rapid progress through an accelerated master-to-doctoral program and his active involvement in high-impact national research projects. His consistent publication in SCI-indexed journals and leadership roles in innovative engineering research further highlight his recognition as a rising talent in the field of marine science and engineering.

✅Conclusion:

Xuanhe Han is a highly promising early-career researcher whose contributions to deep-sea mining technologies and multiphase flow modeling are both technically advanced and strategically significant. His rapid academic progression, involvement in key national projects, and first-author publications in high-impact journals showcase a rare combination of initiative, innovation, and productivity at the doctoral level.

📚 Selected Publications of Xuanhe Han

  1. Title: Pressure characteristics in an airlift pump system
    Authors: Jianhang Ren, Fusen Peng, Meng Li, Jingyu Zhu, Xuanhe Han, Mengdi Fu, Rongqian Ruan, Jianyu Xiao, Yanlian Du, Yijun Shen
    Journal: Physics of Fluids
    Year: 2025
    DOI: 10.1063/5.0250828

  2. Title: Gas void fraction and flow pattern transition mechanism in an airlift pump system
    Authors: Jianhang Ren, Meng Li, Fusen Peng, Jingyu Zhu, Yanlian Du, Xuanhe Han, Mengdi Fu, Rongqian Ruan, Jianyu Xiao, Yijun Shen
    Journal: Physics of Fluids
    Year: 2025
    DOI: 10.1063/5.0249929

  3. Title: Evaluate the performance of the vertically upward gas–liquid two-phase flow in an airlift pump system
    Authors: Zhu J., Du Y., Li M., Fu M., Han X., Peng F., Ruan R., Shen Y.
    Journal: International Journal of Multiphase Flow
    Year: 2024
    DOI: 10.1016/j.ijmultiphaseflow.2024.105016

  4. Title: Performance analysis of ocean thermal energy conversion system integrated with waste heat recovery from offshore oil and gas platform
    Authors: Du Y., Peng H., Xu J., Tian Z., Zhang Y., Han X., Shen Y.
    Journal: Case Studies in Thermal Engineering
    Year: 2024
    DOI: 10.1016/j.csite.2024.104027

  5. Title: Visualization Study of Multiphase Flow in Deep-Sea Mining based on Dual-Modality Electrical Tomography
    Authors: Han X., Du Y., Fu M., Zhu J., Shen Y.
    Repository: SSRN
    Year: 2024
    DOI: 10.2139/ssrn.4774129

  6. Title: Frictional pressure drop of the vertically upward gas–liquid two-phase flow in an airlift pump system
    Authors: Jingyu Zhu, Yanlian Du, Mengdi Fu, Xuanhe Han, Meng Li, Rongqian Ruan, Yijun Shen
    Journal: Physics of Fluids
    Year: 2024
    DOI: 10.1063/5.0229776

  7. Title: Gas state equation and flow mechanism of gas–liquid two-phase flow in airlift pump system
    Authors: Yanlian Du, Jingyu Zhu, Xuanhe Han, Mengdi Fu, Meng Li, Yijun Shen
    Journal: Physics of Fluids
    Year: 2024
    DOI: 10.1063/5.0201317

Tatek Wondimu Negash | Water Resources | Best Researcher Award- 1074

Tatek Wondimu Negash | Water Resources | Best Researcher Award

Agricultural Water Management Researcher at Ethiopia Institute Of Agricultural Research, Melkassa Agricultural Research Center, Ethiopia

Tatek Wondimu Negash is a highly skilled water resource and irrigation engineer with over eight years of research experience in agricultural water management, hydrology, land use, and climate change. Holding a BSc in Water Resources and Irrigation Engineering and an MPhil in Irrigation and Drainage Engineering, his work focuses on optimizing irrigation efficiency and improving water use in semi-arid regions. He has authored multiple peer-reviewed publications on irrigation water allocation, evapotranspiration, and watershed hydrology, demonstrating his expertise in hydrological modeling and data analysis using tools like ArcGIS, ArcSWAT, and AquaCrop. As a researcher at the Ethiopia Institute of Agricultural Research, he collaborates with farmers, government agencies, and research institutions to implement sustainable irrigation practices. His contributions have earned him recognition, including a prestigious Master’s Scholarship from WACWISA, Ghana, and an Editorial Board membership for the International Analytical Chemistry Awards. With strong technical skills, stakeholder engagement experience, and a commitment to advancing water resource management, Tatek stands out as a leading researcher in his field.

Professional Profile 

Education

Tatek Wondimu Negash holds a Bachelor of Science (BSc) degree in Water Resources and Irrigation Engineering from Hawassa University, Ethiopia, where he developed a strong foundation in agricultural water management and irrigation system design. He further advanced his expertise by earning a Master of Philosophy (MPhil) in Irrigation and Drainage Engineering from the University for Development Studies in Ghana. His master’s research focused on the impact of land use and land cover change on watershed hydrology, reflecting his deep interest in sustainable water resource management. Throughout his academic journey, he has acquired specialized training in hydrological modeling, irrigation technologies, and integrated water resource management, enhancing his skills in data analysis and research methodologies. His education, combined with professional development courses in Python, Jupyter, and data analysis, has equipped him with the technical proficiency needed for high-impact research

Professional Experience

Tatek Wondimu Negash is an experienced water resource and irrigation engineer and researcher at the Ethiopia Institute of Agricultural Research (EIAR), Melkassa Agricultural Research Center. With over eight years of professional experience, he has been actively involved in developing research proposals and conducting studies on agricultural water management, hydrology, land use, and climate change. His work focuses on optimizing irrigation efficiency by evaluating and demonstrating appropriate irrigation technologies, determining crop water requirements, and improving irrigation scheduling. Tatek has played a key role in designing and supervising various irrigation projects, including sprinkler, drip, and surface irrigation systems, while also providing technical support for the construction of irrigation canals, drainage systems, and water harvesting structures. Additionally, he has extensive experience in hydrological modeling and data analysis, utilizing advanced tools such as ArcGIS, ArcSWAT, DSSAT, and AquaCrop to enhance water management practices. Beyond research, he collaborates with farmers, government agencies, and research institutions, facilitating training programs and knowledge-sharing initiatives to promote sustainable agricultural water use. His work contributes significantly to improving irrigation strategies and water conservation efforts in Ethiopia and beyond.

Research Interest

Tatek Wondimu Negash’s research interests revolve around agricultural water management, hydrology, land use, and climate change, with a strong focus on optimizing irrigation efficiency and sustainable water resource utilization. He is particularly interested in studying soil-water-plant relationships to determine crop water requirements, improve irrigation scheduling, and enhance water use efficiency in semi-arid regions. His work also explores the impact of land use and land cover changes on watershed hydrology, employing advanced hydrological modeling techniques using tools such as ArcGIS, ArcSWAT, DSSAT, and AquaCrop. Additionally, he is engaged in developing innovative irrigation technologies and management practices that support smallholder farmers and large-scale irrigation projects. Through his research, Tatek aims to contribute to climate-resilient agricultural practices by integrating data-driven solutions and evidence-based decision-making for sustainable water resource management. His interdisciplinary approach bridges the gap between scientific research and practical applications, ensuring that his findings have a tangible impact on agricultural productivity and water conservation.

Award and Honor

Tatek Wondimu Negash has received notable awards and honors in recognition of his contributions to agricultural water management and irrigation research. He was awarded the Master’s Scholarship by the West Africa Center for Water, Irrigation, and Sustainable Agriculture (WACWISA), Ghana, funded by the World Bank under the African Centre of Excellence Impact (ACE Impact) Project, which supported his postgraduate studies in irrigation and drainage engineering. His research excellence has also earned him a place on the Editorial Board of the International Analytical Chemistry Awards (2025), recognizing his expertise in scientific research and analysis. Additionally, he has participated in prestigious professional development programs, including specialized training in integrated water resources management, eco-hydrology, and canal performance improvement conducted by international institutions. These achievements highlight his dedication to advancing water resource management and underscore his growing influence in the field of irrigation engineering and hydrological research.

Conclusion

Tatek Wondimu Negash is a strong candidate for the Best Researcher Award due to his extensive research contributions, technical expertise, and impact on agricultural water management. His peer-reviewed publications, irrigation research, modeling expertise, and stakeholder engagement highlight his suitability. While he could enhance his research profile with more international collaborations, higher citation impact, and independent research funding, his overall achievements make him a worthy contender for the award.

Publications Top Noted

Title: Optimal Irrigation Water Allocation for Enhanced Productivity of Haricot Bean (Phaseolus vulgaris) and Economic Gain: An Experiment Conducted in the Semi-Arid Area of Ethiopia

Authors:

  • Tatek Wondimu Negash (T.W. Negash)
  • Abera Tesfaye Tefera (A.T. Tefera)
  • Gobena Dirirsa Bayisa (G.D. Bayisa)
  • Tigist Damtew Worku (T.D. Worku)
  • Aynalem Gurms (A. Gurms)

Year: 2025

Journal: Journal of Agriculture and Food Research

Citations: 0 (as of now)