Engineered Sulfur‐Resistant Catalyst System with an Assisted Regeneration Strategy for Lean‐Burn Methane Combustion
Sign Up to like & getrecommendations! Published in 2018 at "Chemcatchem"
DOI: 10.1002/cctc.201701884
Abstract: Catalytic combustion of methane, the main component of natural gas, is a challenge under lean‐burn conditions and at low temperatures owing to sulfur poisoning of the Pd‐rich catalyst. This paper introduces a more sulfur‐resistant catalyst… read more here.
Keywords: resistant catalyst; sulfur resistant; catalyst system; catalyst ... See more keywords
Structural development of ultra-lean-burn preburners for small liquid engines
Sign Up to like & getrecommendations! Published in 2019 at "CEAS Space Journal"
DOI: 10.1007/s12567-019-0238-8
Abstract: An ultra-lean-burn preburner has been developed by KARI. This paper describes the general structural design, the results of the finite element analyses (FEA) and the experimental results related to structural issues during the development. Before… read more here.
Keywords: ultra lean; structural development; development; lean burn ... See more keywords
Effects of hydrogen direct injection strategy on characteristics of lean-burn hydrogen–gasoline engines
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DOI: 10.1016/j.fuel.2017.07.059
Abstract: Abstract To study the effects of hydrogen direct injection strategies on the characteristics of combustion and emissions of hydrogen–gasoline engines, an experimental engine platform was built with gasoline intake injection and hydrogen direct injection. The… read more here.
Keywords: effects hydrogen; hydrogen direct; hydrogen; direct injection ... See more keywords
Experimental and numerical study the effect of combustion chamber shapes on combustion and emissions characteristics in a heavy-duty lean burn SI natural gas engine coupled with detail combustion mechanism
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DOI: 10.1016/j.fuel.2019.116130
Abstract: Abstract With the computation ability boomed, the CFD coupled with detailed combustion mechanism has been widely used in natural gas engines to investigate the combustion and emissions characteristics. Further optimization of combustion chamber (CB) is… read more here.
Keywords: combustion; combustion chamber; natural gas; lean burn ... See more keywords
Model Prediction Control of Fuel-Air Ratio for Lean-Burn Spark Ignition Gasoline Engine
Sign Up to like & getrecommendations! Published in 2018 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2018.10.150
Abstract: Abstract Higher fuel economy and lower exhaust emissions for lean-burn spark-ignition (SI) engines depend significantly on precise fuel-air ratio (FAR) control. In addition, in order to improve fuel economy and reduce emissions, it is crucial… read more here.
Keywords: control; engine; spark ignition; fuel ... See more keywords
Study on lean burn limits and burning characteristics of n-heptane with effects of hydrogen enrichment
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2020.06.244
Abstract: Abstract Lean combustion can be a more effective method to enhance the thermal efficiency of diesel engine, while also face incomplete-combustion and long-combustion duration issues at ultra-lean conditions. Effects of hydrogen, known with wider flame… read more here.
Keywords: effects hydrogen; burning characteristics; limits burning; burn limits ... See more keywords
Lean-burn characteristics of a turbocharged opposed rotary piston engine fuelled with hydrogen at low engine speed conditions
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2020.09.167
Abstract: Abstract Opposed rotary piston (ORP) engines have high power density and compact designs which meet the requirements of power sources of hybrid vehicles. Hydrogen applications to ORP engines can effectively decrease greenhouse gas emissions; however,… read more here.
Keywords: engine speed; engine; equivalence ratio; lean burn ... See more keywords
Study on heat transfer characteristics of NGVs influenced by non-reacting lean burn combustor simulator flow
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2021.107313
Abstract: Abstract Modern lean burn combustors are developed to meet environmental requirements of low NOx emissions. Comparing with the rich quench lean combustor, lean burn combustor can produce aggressive swirl fields, higher turbulence intensities and different… read more here.
Keywords: case; combustor; geometry; lean burn ... See more keywords
Lean Burn Performance of a Spark Ignition Engine with an Ethanol–Gasoline Dual Injection System
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DOI: 10.1021/acs.energyfuels.7b03028
Abstract: A spark ignition (SI) engine with an ethanol direct injection (EDI) and gasoline port injection (GPI) system has been studied quite recently. In order to investigate its application, experiments were carried out on a single-cylinder… read more here.
Keywords: system; engine; injection; gasoline ... See more keywords
Study on Combustion and Emissions of a Combined Injection Spark Ignition Engine with Natural Gas Direct Injection Plus Ethanol Port Injection under Lean-Burn Conditions
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DOI: 10.1021/acsomega.2c02154
Abstract: Conventional ethanol spark ignition (SI) engines have poor fuel atomization and mixture formation. The objective of this paper is to improve the combustion and emission performance of ethanol SI engines under lean-burn conditions through the… read more here.
Keywords: injection; direct injection; natural gas; burn conditions ... See more keywords
Feedforward Model Predictive Control of Fuel-Air Ratio for Lean-Burn Spark-Ignition Gasoline Engines of Passenger Cars
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2919148
Abstract: Precise fuel-air ratio (FAR) control on transient conditions is one of the key technologies for lean-burn spark-ignition (SI) engines. To improve fuel economy and reduce emissions, lean-burn engines must regulate their FAR immediately under different… read more here.
Keywords: air ratio; control; predictive control; fuel air ... See more keywords