Results 71 to 80 of about 1,709 (217)

Global Reparations within Capitalism: Aspirations and Tensions in Contemporary Movements for Reparatory Justice

open access: yesDevelopment and Change, Volume 55, Issue 4, Page 560-600, July 2024.
ABSTRACT The idea of global reparations has received increasing attention in recent years, not only with respect to legacies of slavery and colonialism, but also to interrelated issues such as climate change, debt crisis, or ongoing financial transfers from the Global South to the Global North. This article, which introduces and sets the Debate for the
Ndongo Samba Sylla   +3 more
wiley   +1 more source

Effect of an Exhaust Heat Exchanger with Inserts on the Performance of Thermoelectric Generators

open access: yesJournal of Engineering, Volume 2024, Issue 1, 2024.
A thermoelectric generator is used as a waste heat recovery system for generating electric power. The thermoelectric generator system consists of an exhaust heat exchanger, a thermoelectric module, and a water heat exchanger. The aim of the current work is to explore different types of inserts used in the test section of the exhaust heat exchanger and ...
Dipak S. Patil   +2 more
wiley   +1 more source

Influence of Inlet and Outlet Area Ratio on Intake Port Flow Capacity

open access: yesInternational Journal of Rotating Machinery, Volume 2024, Issue 1, 2024.
The flow capacity of the intake port has a great influence on the charging efficiency of the internal combustion engine, affecting the engine’s performance, so it is critical to improve the intake port flow capacity. In this paper, the intake port numerical model was established, and the influence of the inlet and outlet area ratio on intake port flow ...
Jingmin Rui   +5 more
wiley   +1 more source

Modelling of combustion and knock onset risk in a high-performance turbulent jet ignition engine

open access: yesTransportation Engineering, 2020
The reduction of CO2 emissions, and hence of fuel consumption, is currently a key driver for the development of innovative SI engines for passenger car applications.
Andrea Bianco   +2 more
doaj   +1 more source

Performance Prediction and Optimization of Single‐Piston Free Piston Expander‐Linear Generator Based on Machine Learning and Genetic Algorithm

open access: yesInternational Journal of Energy Research, Volume 2024, Issue 1, 2024.
This paper proposed a single‐piston free piston expander‐linear generator (SFPE‐LG) prototype applied to organic Rankine cycle systems. Two valve timing control strategies, namely, time control strategy (TCS) and position control strategy (PCS), were developed.
Jian Li   +6 more
wiley   +1 more source

Optimization of Hydrogen Internal Combustion Engines Equipped with Turbocompound Technology for Enhanced Performance and Efficiency

open access: yesEnergies
Hydrogen Internal Combustion Engines (H2ICEs) offer significant potential in reducing the CO2 emissions of the heavy-duty transport sector in the pursuit of the European Green Deal targets.
Pier Paolo Brancaleoni   +5 more
doaj   +1 more source

Development of a Three-Phase Sequential Turbocharging System with Two Unequal-Size Turbochargers

open access: yesInternational Journal of Rotating Machinery, 2012
A three-phase sequential turbocharging system with two unequal-size turbochargers is developed to improve the fuel economy performance and reduce the smoke emission of the automotive diesel engine, and it has wider range of application than the current ...
Yuehua Qian, Zhe Zhang, Kangyao Deng
doaj   +1 more source

Dynamic Dominating Set and Turbo-Charging Greedy Heuristics

open access: yesTsinghua Science and Technology, 2014
The main purpose of this paper is to exposit two very different, but very general, motivational schemes in the art of parameterization and a concrete example connecting them.
Rodney G. Downey   +4 more
doaj   +1 more source

Validating a Method for Turbocharging Single Cylinder Four Stroke Engines [PDF]

open access: yes, 2019
This paper presents a method for turbocharging single cylinder four stroke internal combustion engines, an experimental setup used to test this method, and the results from this experiment.
Buchman, Michael R., Winter, Amos G.
core   +1 more source

In-vehicle Optimization of 2-stage Turbocharging for Gasoline Engines

open access: yesInternational Journal of Automotive Engineering, 2011
Future downsizing for gasoline engines will lead to higher boost ratio and specific torque than realized with todays engines. In the present paper, the vehicle integration of a 2-stage-turbocharging system into a middle class vehicle is discussed ...
Felix Buchner   +4 more
doaj   +1 more source

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