HD Diesel engine equipped with a bottoming Rankine cycle as a waste heat recovery system. Part 1: Study and analysis of the waste heat energy

V Dolz, R Novella, A García, J Sánchez - Applied Thermal Engineering, 2012 - Elsevier
This paper describes the study of different bottoming Rankine cycles with water-steam
and/or ORC configurations in classical and innovative setups such as a waste heat recovery …

Why the development of internal combustion engines is still necessary to fight against global climate change from the perspective of transportation

JR Serrano, R Novella, P Piqueras - Applied Sciences, 2019 - mdpi.com
Internal combustion engines (ICE) are the main propulsion systems in road transport. In mid-
2017, Serrano [1] referred to the impossibility of replacing them as the power plant in most …

Impact of two-stage turbocharging architectures on pumping losses of automotive engines based on an analytical model

J Galindo, JR Serrano, H Climent, O Varnier - Energy Conversion and …, 2010 - Elsevier
Present work presents an analytical study of two-stage turbocharging configuration
performance. The aim of this work is to understand the influence of different two-stage …

Methodology to design a bottoming Rankine cycle, as a waste energy recovering system in vehicles. Study in a HDD engine

V Macián, JR Serrano, V Dolz, J Sánchez - Applied Energy, 2013 - Elsevier
This article describes a methodology for the optimization of a bottoming cycle as a waste
heat recovering system in vehicles. The methodology is applied to two particular cases in …

External heat losses in small turbochargers: Model and experiments

F Payri, P Olmeda, FJ Arnau, A Dombrovsky, L Smith - Energy, 2014 - Elsevier
The behavior of small turbochargers is deeply affected by heat transfer phenomena. The
external heat losses of these machines are studied and a simplified model that takes into …

A study on the internal convection in small turbochargers. Proposal of heat transfer convective coefficients

JR Serrano, P Olmeda, FJ Arnau… - Applied Thermal …, 2015 - Elsevier
Nowadays turbochargers play an important role in improving internal combustion engines
(ICE) performance. Usually, engine manufacturers use computer codes to predict the …

HD Diesel engine equipped with a bottoming Rankine cycle as a waste heat recovery system. Part 2: Evaluation of alternative solutions

JR Serrano, V Dolz, R Novella, A Garcia - Applied Thermal Engineering, 2012 - Elsevier
A theoretical investigation has been performed on the feasibility of introducing a waste heat
recovery (WHR) system in a two-stage turbocharged HDD engine. The WHR is attained by …

Attributional and consequential environmental assessment of using waste cooking oil-and poultry fat-based biodiesel blends in urban buses: a real-world operation …

MA Rajaeifar, M Tabatabaei, R Abdi… - Biofuel Research …, 2017 - biofueljournal.com
Urban public transportation sector in general is heavily dependent on fossil-oriented fuels,
eg, diesel. Given the fact that a major proportion of urban pollution and the consequent …

Characterization of two-stage turbine system under steady and pulsating flow conditions

R Zhao, W Li, W Zhuge, Y Zhang, Y Yin, Y Wu - Energy, 2018 - Elsevier
As the development of turbocompounding and two-stage turbocharging technology, there
are increasingly more two-stage turbine systems applied on vehicles. The two-stage turbine …

Asymmetric twin-scroll turbocharging in diesel engines for energy and emission improvement

D Zhu, X Zheng - Energy, 2017 - Elsevier
Turbocharging is widely used in all types of diesel engines to improve power, fuel economy,
and emissions. The asymmetric twin-scroll turbine is a new technology that is relatively …