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188 TRƯỜNG ĐẠI HỌC SƯ PHẠM KỸ THUẬT - ĐẠI HỌC ĐÀ NẴNG

3.6. Evaluation nozzle manufacturing. This effort helps to harness
The pressure and temperature parameters for various renewable gas fuels available in nature,
critical parts of the nozzle are designed to meet the reducing the dependence on fossil fuels and moving
demands of harsh operating environments. This towards a greener future.
pressure and temperature are adjusted to suit the ACKNOWLEDGMENT
operating conditions of the nozzle, ensuring the This research is funded by The University of
stability and efficiency of the fuel injection process.
Danang - University of Technology and Education
The flow rate of gaseous fuel through the nozzle is under the project "Design and manufacture of a direct
designed to meet the requirements of both calculation gas injection control system for diesel engines" with
and design criteria. This ensures that the nozzle project number T2023-06-09.
operates efficiently, delivering the necessary amount REFERENCES
of fuel to guarantee performance and energy savings
during operation. [1]. Van Hung Bui and his associates. "Simulated the fuel supply
and combustion process of the Honda GX160 engine using
The research team has completed the detailed syngas from the wood fuel compressor gas." Journal of
design of all the components in the nozzle. However, Science and Technology-University of Danang (2023): 65-70.
as these are rather small components, the [2]. Tuong Vi Nguyen, Van Dung Ngo. “Studies the impact of the
manufacturing technology and production requirements Syngas ratio and early injection angle on the emission
are very high. This demands a high level of precision characteristics of the syngas/diesel binary fuel engines using
the AVL-Boost simulation software,” Annual Scientific
and experience in the manufacturing process to ensure Conference, 2020, p. 3-5, ISBN 978-604-82-3869-8.
the components operate accurately and reliably in the [3]. Thi Minh Tu Bui and her colleagues. "Automatically adjust the
harsh working environment. equivalent coefficient and early ignition angle of the static
engine at the forced ignition of renewable gas fuel injection."
4. CONCLUSION Journal of Science and Technology-University of Danang
The results of the above research allow us to draw (2022): 79-86.
the following conclusions: [4]. Van Ga Bui, Thi Minh Tu Bui, Tran Ngoc Anh Ho. “Compare
the combustion characteristics of dual fuel engines that provide
The reverse-opening gas injection nozzle allows suction syngas and direct injection.” Journal of Science and
the delivery of syngas at a high flow rate directly into Technology-University of Danang (2023): 45-51.
the combustion chamber. This addresses the drawback [5]. Hagos, Ftwi Yohaness, A. Rashid A. Aziz, and Shaharin A.
of syngas being a low-energy fuel, thereby improving Sulaiman. “Syngas (H2/CO) in a spark-ignition direct-injection
the combustion efficiency and power generation of engine. Part 1: Combustion, performance and emissions
this fuel, and syngas can become one of the primary comparison with CNG.” International Journal of Hydrogen
Energy 39.31 (2014): 17884-17895.
fuels used in internal combustion engines and serve as [6]. Yip, Ho Lung, et al. “A review of hydrogen direct injection for
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using fuels containing hydrogen, thereby making the LPG injection system on a motorcycle.” Scientific and
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impact of sugar energy on welding in the detailed wheel
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Researching and manufacturing a nozzle that
injects gas directly into the combustion chamber in
renewable fuel systems is an effective solution to
enhance the utilization of syngas fuel, reduce
emissions, and work towards the goal of green urban
development in the future.
The reverse-open syngas nozzle helps prevent
combustion pressure from pushing back into the
nozzle and also ensures that the compression pressure
of the engine at the end of the compression stroke and
the power stroke does not decrease. This ensures the
combustion efficiency of the engine.
The project has contributed to the development of
a new idea, adding knowledge in the field of gas
ISBN: 978-604-80-9779-0