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Dive into the research topics where Nicolas Miche is active.

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Featured researches published by Nicolas Miche.


SAE International journal of engines | 2013

An Assessment of the Bottoming Cycle Operating Conditions for a High EGR Rate Engine at Euro VI NOx Emissions

Angad Panesar; Robert Morgan; Nicolas Miche; Morgan Heikal

This paper investigates the application of a Bottoming Cycle (BC) applied to a 10-litre (L) heavy duty Diesel engine for potential improvements in fuel efficiency. With the main thermodynamic irreversibility in the BC due to the temperature difference between the heat source and the working fluid, a proper selection of the working fluid and its operating condition for a given waste heat is the key in achieving high overall conversion efficiency. The paper reviews a fluid selection methodology based on thermodynamic/thermo-physical and environmental/safety properties. Results are presented using seven pure, dry, isentropic and wet working fluids (synthetic, organic and inorganic) operating with expansion starting from the saturated vapour, superheated vapour, supercritical phase, saturated liquid, and two-phase. Efficiency improvements by recovering Charge Air Coolers (CAC) and Exhaust Gas Recirculation (EGR) cooler heat on two engine platforms were calculated. The first platform operating at Euro 6 engine out NOx emissions levels and the second platform operating with Euro 5 engine out NOx emissions coupled with a 80% efficient selective catalytic reduction system. Performance and heat rejection data for the 10L platforms were derived from experimental measurements on an advanced 2L single cylinder research engine which was used to determine the trade-off between thermal efficiency and regulated/unregulated emissions. Results indicate a potential improvement of 5.1% and 6.3% in engine power for a cruise (B50) and high load (C100) condition, with a technically feasible BC operating at subcritical mode with minimum superheat.


Vehicle Thermal Management Systems Conference Proceedings (VTMS11)#R##N#15–16 May 2013, Coventry Technocentre, UK | 2013

An investigation of bottoming cycle fluid selection on the potential efficiency improvements of a Euro 6 heavy duty diesel engine

Angad Panesar; Robert Morgan; Nicolas Miche; Morgan Heikal

This paper investigates the potential of a fluid driven waste heat recovery cycle to improve the efficiency of a long haul Heavy Duty Diesel Engine (HDDE) operating at Euro 6 engine out NOx emissions levels. Performance and heat rejection data for a 10-litre HDDE were derived from experimental measurements on an advanced 2-litre single cylinder research engine. A detailed selection study with 15 ranking criterias was undertaken, identifying non-ozone-depleting Hydro-Chloro-Carbon as the optimal class of working fluids. Results indicated a potential of 2.4% and 3% point brake thermal efficiency improvement using thermal energy recovered from the Exhaust Gas Recirculation (EGR) cooler alone and from combined EGR cooler and post turbine exhaust recovery configurations respectively.


Energy | 2013

Working fluid selection for a subcritical bottoming cycle applied to a high exhaust gas recirculation engine

Angad Panesar; Robert Morgan; Nicolas Miche; Morgan Heikal


International Journal of Heat and Fluid Flow | 2007

Flow Measurements inside a Heated Multiple Rotating Cavity with Axial Throughflow

Christopher Long; Nicolas Miche; Peter R.N. Childs


Archive | 2008

The 2/4SIGHT project - development of a multi-cylinder two-stroke/four-stroke switching gasoline engine

R.J. Osborne; J. Stokes; D. Ceccarini; Neville Jackson; T. H. Lake; M. Joyce; S. Visser; Nicolas Miche; Steven Begg; Morgan Heikal; N. Kalian; H. Zhao; T. Ma


MATEC Web of Conferences | 2014

A Novel Organic Rankine Cycle System with Improved Thermal Stability and Low Global Warming Fluids

Angad Panesar; Robert Morgan; Nicolas Miche; Morgan Heikal


Archive | 2010

High-speed video observation and phase Doppler anemometry measurements of oil break-up in a model engine crankcase

Steven Begg; G. de Sercey; Nicolas Miche; Morgan Heikal; Sir Harry


The 16th International Heat Transfer Conference: IHTC-16 | 2018

A single loop pulsating heat pipe in varying gravity conditions: Experimental results and numerical simulations

Luca Pietrasanta; Daniele Mangini; D. Fioriti; Nicolas Miche; Manolia Andredaki; Anastasios Georgoulas; Lucio Araneo; Marco Marengo


Joint 19th IHPC (International Heat Pipe Conference) and the 13th IHPS (International Heat Pipe Symposium) | 2018

Infrared analysis and pressure measurements on a single loop pulsating heat pipe at different gravity levels

Daniele Mangini; M. Pozzoni; Mauro Mameli; Luca Pietrasanta; Marco Bernagozzi; D. Fioriti; Nicolas Miche; Lucio Araneo; Marco Marengo; Sauro Filippeschi


Joint 19th IHPC (International Heat Pipe Conference) and the 13th IHPS (International Heat Pipe Symposium) | 2018

Effect of Flow Oscillations on the Liquid Film Evaporation and Instability Formation for Elongated Vapour Slugs within Heated Microchannels

Manolia Andredaki; Anastasios Georgoulas; Nicolas Miche; Marco Marengo

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Steven Begg

University of Brighton

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Manolia Andredaki

Democritus University of Thrace

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