Hydrocarbon fuel and hydrogen are used as fuels for micro power equipment to replace
traditional batteries and provide energy for micro-electromechanical systems, which has …

Free-piston internal combustion engines (FPICEs) have many potential advantages, such as
simple structure, high conversion efficiency, multi-fuel feasibility and multi-output power …

Free-piston engines (FPEs) are known to have a greater thermal efficiency (40–50%) than
an equivalent and more conventional four-stroke reciprocating engines (30–40%). Modern …

The ionic liquid compressor is promising for hydrogen refuelling stations, where the dynamic
characteristics of the free piston are crucial for adjusting the compressor performance. This …

This paper presents a linearization of the dynamic equation for a free-piston engine
generator (FPEG), and simplifies it to a one-degree forced vibration system with viscous …

The free piston engine linear generator (FPELG) is a simple structure engine with only two
main parts, ie, the linear generator and a free piston engine, which has less friction, low …

Ammonia is a promising carbon–neutral fuel, able to power heavy-duty vehicles, non-road
machineries and ocean ships with zero CO 2 emission. However, practical challenges still …

Previously, the authors have developed an advanced combustion control, namely the
trajectory-based combustion control, to further leverage the flexibility of free piston engine …

A detailed numerical study is carried out to investigate the performance of a diesel-hydrogen
dual fuel (DF) compression ignition engine operating under a novel combustion strategy in …

The heat transfer and energy conversion characteristics of 3 kinds of pistons are studied
based on the heat load prediction model of diesel engine piston. Thermal energy conversion …