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Effect of exhaust gas recirculation and ethyl hexyl nitrate additive on biodiesel fuelled diesel engine

K. VENKATESWARLU, B. S. R MURTHY, V. V. SUBBARAO, K. Vijaya KUMAR

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 304-310 doi: 10.1007/s11708-012-0195-9

Abstract: Exhaust gas recirculation (EGR) proved to be an effective way to reduce the NO emissions.In this present experimental work, a combination of exhaust gas recirculation and cetane improver ethylhexyl nitrate (EHN) is used to investigate the performance and exhaust emissions of a single cylinderwhich is accompanied by a reduction in brake specific fuel consumption and exhaust gas temperatures,baseline fuel without EGR.

Keywords： additive     exhaust gas recirculation (EGR)     emissions     ethyl hexyl nitrate (EHN)     performance    

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Combustion analysis of a hydrogen-diesel fuel operated DI diesel engine with exhaust gas recirculation

M. LOGANATHAN, A. VELMURUGAN, TOM PAGE, E. JAMES GUNASEKARAN, P. TAMILARASAN

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 568-574 doi: 10.1007/s11708-017-0461-y

Abstract: In this paper, a conventional DI diesel engine was modified to operate as gas engine.The intake manifold of the engine was supplied with hydrogen along with recirculated exhaust gas andThe HRR peak pressure decreased with the increase in EGR rate, while combustion duration increased withthe EGR rate.The cyclic pressure variation also increased with the increase in EGR rate.

Keywords： hydrogen     exhaust gas recirculation (EGR)     diesel     combustion     heat release rate (HRR)     combustion duration    

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Transient emission simulation and optimization of turbocharged diesel engine

Lingge SUI, Zhongchang LIU, Yongqiang HAN, Jing TIAN

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 237-244 doi: 10.1007/s11708-013-0251-0

Abstract: Aimed at the contradiction of NO and soot emission control with exhaust gas recirculation (EGR) of turbochargeddiesel engine under transient operations, on this simulation platform, a transient EGR valve controlstrategy was proposed, which adjusted the EGR valve in adjacent level based on the feedback of its openingOn the one hand, compared with the previous control strategy, which closed the EGR valve during the whole

Keywords： diesel engine     transient simulation     emission     control strategy     exhaust gas recirculation (EGR)    

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Simulation of combustion in spark-ignition engine fuelled with natural gas-hydrogen blends combined withEGR

Jie WANG, Zuohua HUANG, Bing LIU, Xibin WANG

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 204-211 doi: 10.1007/s11708-009-0026-9

Abstract: A numerical simulation of the influence of different hydrogen fractions, excess air ratios and EGR massEGR introduction strongly influences the gas temperature and NO concentration in the cylinder.Thus, EGR can effectively decrease NO concentration.NO concentration reaches its peak value at the excess air ratio of 1.1 regardless of EGR mass fractionThe study shows that natural gas-hydrogen blend combined with EGR can realize a stable combustion and

Keywords： natural gas     hydrogen     NO     exhaust gas recirculation     numerical simulation    

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Injection Strategy in Natural Gas-Diesel Dual-Fuel Premixed Charge Compression Ignition Combustion under Article

Hyunwook Park, Euijoon Shim, Choongsik Bae

Engineering 2019, Volume 5, Issue 3,   Pages 548-557 doi: 10.1016/j.eng.2019.03.005

Abstract: When natural gas (NG) is applied to a DF-PCCI engine, its low reactivity reduces the maximum pressureThe introduction of exhaust gas recirculation (EGR) improved the fuel economy and reduced the NOEGR

Keywords： Reactivity controlled compression ignition     Premixed charge compression ignition     Natural gas     Injectionstrategy     Exhaust gas recirculation    

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Utilisation of waste heat from exhaust gases of drying process

Olga P. Arsenyeva,Lidija Čuček,Leonid L. Tovazhnyanskyy,Petro O. Kapustenko,Yana A. Savchenko,Sergey K. Kusakov,Oleksandr I. Matsegora

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 131-138 doi: 10.1007/s11705-016-1560-8

Abstract: A hot composite curve that represents the gas mixture cooling according to equation of state for realgases was drawn to account the gas-liquid equilibrium.The location of the point where gas and liquid phases can be split for better recuperation of heat energy

Keywords： exhaust gas     waste heat     process integration     plate heat exchanger    

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Numerical study of EGR effects on reducing the pressure rise rate of HCCI engine combustion

Gen CHEN, Norimasa IIDA, Zuohua HUANG,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 376-385 doi: 10.1007/s11708-010-0118-6

Abstract: The effects of the inert components of exhaust gas recirculation (EGR) gas on reducing the pressure riseResults show that with constant fuel amount and initial temperature and pressure, as EGR ratio increasesWith constant fuel amount, mixtures with different EGR ratios can obtain the same CA50 by adjusting theUnder the same CA50, as EGR ratio increases, the LTHR timing is advanced and the duration of thermalinfluence of EGR dilution on chemical reaction rate is offset by other factors.

Keywords： HCCI engine     combustion     EGR     DME     CA50     PRR    

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Identify the contribution of vehicle non-exhaust emissions: a single particle aerosol mass spectrometer

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 5, doi: 10.1007/s11783-023-1662-8

Abstract:

● A single particle observation was conducted in a high traffic flow road environment.

Keywords： Non-exhaust emissions     SPAMS     PMF     Roadside environment    

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Impact of oxygen enriched combustion on the performance of a single cylinder diesel engine

K. RAJKUMAR, P. GOVINDARAJAN

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 398-403 doi: 10.1007/s11708-011-0157-7

Abstract: fuel consumption (SFC), mean effective pressure, brake thermal efficiency, mechanical efficiency, and exhaustgas temperature were studied.

Keywords： oxygen enriched combustion     exhaust gas temperature     brake power (BP)     specific fuel consumption (SFC)    

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Effects of EGR on combustion process of DI diesel engine during cold start

PENG Haiyong, CUI Yi, SHI Lei, DENG Kangyao

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 202-210 doi: 10.1007/s11708-008-0038-x

Abstract: Experiments on the effects of external and internal exhaust gas recirculation (EGR) on combustion andCombustion was improved during the initial ignition cycles by introducing internal or external EGR.The addition of an appropriate amount of internal or external EGR can promote the combustion stabilityHowever, excessive amounts of external EGR could lead to extremely unstable combustion or even misfiringExternal EGR reduced NO emissions effectively while internal EGR led to an increase in NO emissions due

Keywords： opacity     combustion     excessive     NO     process    

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Analysis of a 1 kW organic Rankine cycle using a scroll expander for engine coolant and exhaust heat

Yiji LU, Anthony Paul ROSKILLY, Long JIANG, Longfei CHEN, Xiaoli YU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 527-534 doi: 10.1007/s11708-017-0516-0

Abstract: This paper presented the study of engine coolant and exhaust heat recovery using organic Rankine cycleRather than the conventional engine ORC system mainly focusing on the utilization of exhaust energy,

Keywords： organic Rankine cycle     scroll expander     coolant and exhaust recovery     internal combustion engine    

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Experimental study on velocity characteristics of recirculation zone in humid air non-premixed flame

GU Xin, ZANG Shusheng, GE Bing

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 140-144 doi: 10.1007/s11708-008-0037-y

Abstract: To examine the effect of the flow field within the recirculation zone on flame structure, the characteristicimage velocimeter (PIV).The results show that two stagnation points exist on the centerline in the recirculation

Keywords： distance     bluff-body     fuel-to-air velocity     stagnation     parameter    

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Achievement of high rate nitritation with aerobic granular sludge reactors enhanced by sludge recirculation

Zulkifly JEMAAT,Josep Anton TORA,Albert BARTROLI,Julián CARRERA,Julio PEREZ

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 3,   Pages 528-533 doi: 10.1007/s11783-014-0641-5

Abstract: The model demonstrated how sludge recirculation events led to a stable and significant increase of the

Keywords： partial nitrification     reject water     high strength ammonium wastewater     closed-loop control    

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Simulation and experiments on a solid sorption combined cooling and power system driven by the exhaust

Peng GAO, Liwei WANG, Ruzhu WANG, Yang YU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 516-526 doi: 10.1007/s11708-017-0511-5

Abstract: A solid sorption combined cooling and power system driven by exhaust waste heat is proposed, which consistsfeasibility of the system is determined, which proves that this system is especially suitable for the exhaust

Keywords： solid sorption     exhaust waste heat     combined cooling and power system     exergy efficiency    

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Exhaust hood for steam turbines-single-flow arrangement

Michal HOZNEDL , Ladislav TAJC , Jaroslav KREJCIK , Lukas BEDNAR , Kamil SEDLAK , Jiri LINHART ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 321-329 doi: 10.1007/s11708-009-0039-4

Abstract: In the past, increased attention was given to the development of an optimal shape for the inlet part of LP turbine casings in SKODA POWER. A double-flow design is typically used for high power output turbines. An optimized shape for the internal diffuser has been found, which transforms the kinetic energy of steam into increased pressure, thus effectively increasing the thermodynamic efficiency of the stage. Some conclusions have been drawn from laboratory experiments, others derived directly from on-site measurements at power plants. The conclusions from the development of double-flow turbines form the basis for the design of the single-flow turbine arrangement. Single-flow design is typically used for lower output turbines. There are still some limitations in applying this arrangement. The designer needs to resolve the bearing position and how to ensure access to them. Reinforcing the ribs and supports are used, therefore, to ensure the rigidity of the entire casing. The optimization of the single-flow diffuser shape is therefore the subject of the study presented below.

Keywords： exhaust hood     steam turbines     single-flow arrangement    

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Title Author Date Type Operation

Effect of exhaust gas recirculation and ethyl hexyl nitrate additive on biodiesel fuelled diesel engine

K. VENKATESWARLU, B. S. R MURTHY, V. V. SUBBARAO, K. Vijaya KUMAR

Journal Article

Combustion analysis of a hydrogen-diesel fuel operated DI diesel engine with exhaust gas recirculation

M. LOGANATHAN, A. VELMURUGAN, TOM PAGE, E. JAMES GUNASEKARAN, P. TAMILARASAN

Journal Article

Transient emission simulation and optimization of turbocharged diesel engine

Lingge SUI, Zhongchang LIU, Yongqiang HAN, Jing TIAN

Journal Article

Simulation of combustion in spark-ignition engine fuelled with natural gas-hydrogen blends combined withEGR

Jie WANG, Zuohua HUANG, Bing LIU, Xibin WANG

Journal Article

Injection Strategy in Natural Gas-Diesel Dual-Fuel Premixed Charge Compression Ignition Combustion under

Hyunwook Park, Euijoon Shim, Choongsik Bae

Journal Article

Utilisation of waste heat from exhaust gases of drying process

Olga P. Arsenyeva,Lidija Čuček,Leonid L. Tovazhnyanskyy,Petro O. Kapustenko,Yana A. Savchenko,Sergey K. Kusakov,Oleksandr I. Matsegora

Journal Article

Numerical study of EGR effects on reducing the pressure rise rate of HCCI engine combustion

Gen CHEN, Norimasa IIDA, Zuohua HUANG,

Journal Article

Identify the contribution of vehicle non-exhaust emissions: a single particle aerosol mass spectrometer

Journal Article

Impact of oxygen enriched combustion on the performance of a single cylinder diesel engine

K. RAJKUMAR, P. GOVINDARAJAN

Journal Article

Effects of EGR on combustion process of DI diesel engine during cold start

PENG Haiyong, CUI Yi, SHI Lei, DENG Kangyao

Journal Article

Analysis of a 1 kW organic Rankine cycle using a scroll expander for engine coolant and exhaust heat

Yiji LU, Anthony Paul ROSKILLY, Long JIANG, Longfei CHEN, Xiaoli YU

Journal Article

Experimental study on velocity characteristics of recirculation zone in humid air non-premixed flame

GU Xin, ZANG Shusheng, GE Bing

Journal Article

Achievement of high rate nitritation with aerobic granular sludge reactors enhanced by sludge recirculation

Zulkifly JEMAAT,Josep Anton TORA,Albert BARTROLI,Julián CARRERA,Julio PEREZ

Journal Article

Simulation and experiments on a solid sorption combined cooling and power system driven by the exhaust

Peng GAO, Liwei WANG, Ruzhu WANG, Yang YU

Journal Article

Exhaust hood for steam turbines-single-flow arrangement

Michal HOZNEDL , Ladislav TAJC , Jaroslav KREJCIK , Lukas BEDNAR , Kamil SEDLAK , Jiri LINHART ,

Journal Article