Performance and emissions of an electronic control common-rail diesel engine fuelled with liquefied natural gas-diesel dual-fuel under an optimization control scheme

Song, Jiantong; Zhang, Chunhua; Lin, Guoqing; Zhang, Quanchang

doi:10.1177/0954407018801076

“…For LNG-diesel dual-fuel engine, the brake specific fuel consumption (BSFC) is lower under light loads. Compared to the diesel engine, the torque and brake power of LNG-diesel dual-fuel engine remain unchanged [58]. Some researchers estimated brake thermal efficiency of the liquid natural gas engine has the same level of the corresponding conventional diesel engine [45].…”

Section: Conflicts Of Interestmentioning

confidence: 99%

“…Some researchers estimated brake thermal efficiency of the liquid natural gas engine has the same level of the corresponding conventional diesel engine [45]. Moreover, LNG is more preferable for heavy-duty vehicles compared to CNG as the density of LNG is 435 kg/m 3 as compared to 175 kg/m 3 for CNG at 20 MPa [58]. Used liquefied natural gas as primary fuel and small amount of diesel pilot was used as ignition source.…”

Section: Conflicts Of Interestmentioning

confidence: 99%

Sustainable Combustion Systems and Their Impact

2021

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“…For LNG-diesel dual-fuel engine, the brake specific fuel consumption (BSFC) is lower under light loads. Compared to the diesel engine, the torque and brake power of LNG-diesel dual-fuel engine remain unchanged [58]. Some researchers estimated brake thermal efficiency of the liquid natural gas engine has the same level of the corresponding conventional diesel engine [45].…”

Section: Possible Outcomementioning

confidence: 99%

“…Some researchers estimated brake thermal efficiency of the liquid natural gas engine has the same level of the corresponding conventional diesel engine [45]. Moreover, LNG is more preferable for heavy-duty vehicles compared to CNG as the density of LNG is 435 kg/m 3 as compared to 175 kg/m 3 for CNG at 20 MPa [58]. Used liquefied natural gas as primary fuel and small amount of diesel pilot was used as ignition source.…”

Section: Possible Outcomementioning

confidence: 99%

A Review on Liquefied Natural Gas as Fuels for Dual Fuel Engines: Opportunities, Challenges and Responses

Arefin

¹

,

Nabi

²

,

Akram

³

et al. 2020

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Climate change and severe emission regulations in many countries demand fuel and engine researchers to explore sustainable fuels for internal combustion engines. Natural gas could be a source of sustainable fuels, which can be produced from renewable sources. This article presents a complete overview of the liquefied natural gas (LNG) as a potential fuel for diesel engines. An interesting finding from this review is that engine modification and proper utilization of LNG significantly improve system efficiency and reduce greenhouse gas (GHG) emissions, which is extremely helpful to sustainable development. Moreover, some major recent researches are also analyzed to find out drawbacks, advancement and future research potential of the technology. One of the major challenges of LNG is its higher flammability that causes different fatal hazards and when using in dual-fuel engine causes knock. Though researchers have been successful to find out some ways to overcome some challenges, further research is necessary to reduce the hazards and make the fuel more effective and environment-friendly when using as a fuel for a diesel engine.

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“…Nowadays, the high-pressure common rail (HPCR) system has made great contribution to improving the performance and reducing the energy consumption and pollutant emission for diesel engines (Bai et al, 2021; Hu et al, 2021; Song et al, 2019). It has become an effective alternative to traditional electronically controlled fuel injection systems (Shen et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

GPIO-based nonsingular terminal sliding mode control for high-pressure common rail systems

Dai

¹

,

Yuan

²

,

Sun

³

et al. 2023

Transactions of the Institute of Measurement and Control

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The ideal fuel rail pressure is a significant component to keep the high-pressure common rail (HPCR) system work stably. The influence of time-varying fuel injection disturbance of the HPCR system is neither fully considered nor well dealt with in traditional rail pressure control approaches. To this end, the rail pressure tracking problem of an HPCR system is investigated in this paper using a generalized proportional integral observer (GPIO)-based composite control algorithm. A nonlinear model of the HPCR system is first established based on fluid dynamics and mechanics laws. Then, a GPIO is utilized to observe the time-varying fuel injection disturbance. Based on the design of a nonlinear sliding surface using the disturbance estimation, a GPIO-based nonsingular terminal sliding mode control (NTSMC) method is proposed to achieve a better rail pressure tracking control performance and a stronger robustness. Finally, a group of simulations in the MATLAB/Simulink environment and experiments in a more realistic Advanced Modeling Environment for performing Simulation of engineering systems (AMESim) environment are conducted, the results of which demonstrate the advantage and effectiveness of the proposed method.

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Performance and emissions of an electronic control common-rail diesel engine fuelled with liquefied natural gas-diesel dual-fuel under an optimization control scheme

Cited by 7 publications

References 28 publications

Sustainable Combustion Systems and Their Impact

Sustainable Combustion Systems and Their Impact

A Review on Liquefied Natural Gas as Fuels for Dual Fuel Engines: Opportunities, Challenges and Responses

GPIO-based nonsingular terminal sliding mode control for high-pressure common rail systems

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