Results 41 to 50 of about 562 (196)

Cogging Force Reduction and Profile Smoothening Methods for a Slot-Spaced Permanent Magnet Linear Alternator

open access: yesEnergies, 2023
A Permanent Magnet Linear Alternator (PMLA) works seamlessly with a Free Piston Stirling Engine (FPSE) to convert short-stroke and high-frequency linear motion to electric power.
Chin-Hsiang Cheng, Surender Dhanasekaran
doaj   +1 more source

Design Optimization of Tubular Heat Exchangers for a Free-Piston Stirling Engine Based on Improved Quasi-Steady Flow Thermodynamic Model Predictions

open access: yesEnergies, 2022
This paper presents the design optimization of a heat exchanger for a free-piston Stirling engine (FPSE) through an improved quasi-steady flow (iQSF) model and a central composite design.
Dong-Jun Kim   +3 more
doaj   +1 more source

From Beale Number to Pole Placement Design of a Free Piston Stirling Engine

open access: yesArchive of Mechanical Engineering, 2017
In this paper, pole placement-based design and analysis of a free piston Stirling engine (FPSE) is presented and compared to the well-defined Beale number design technique.
Zare Shahryar   +2 more
doaj   +1 more source

Design and analysis of a free-piston stirling engine for space nuclear power reactor

open access: yesNuclear Engineering and Technology, 2021
The free-piston Stirling engine (FPSE) has been widely used in aerospace owing to its advantages of high efficiency, high reliability, and self-starting ability. In this paper, a 20-kW FPSE is proposed by analyzing the requirements of space nuclear power
Zhiwen Dai   +5 more
doaj   +1 more source

A New Coupled Approach for Enthalpy Pumping Consideration in a Free Piston Stirling Engine (FPSE)

open access: yesApplied Mechanics, 2022
One group of losses that can considerably affect the performance of Free Piston Stirling Engines’ (FPSE) is the enthalpy pumping and the shuttle effect, which are due to the gap standing between the cylinder and the displacer.
Mahdi Majidniya   +4 more
doaj   +1 more source

A tubular hybrid Halbach/axially-magnetized permanent-magnet linear machine

open access: yesAIP Advances, 2017
A single-phase tubular permanent-magnet linear machine (PMLM) with hybrid Halbach/axially-magnetized PM arrays is proposed for free-piston Stirling power generation system. Machine topology and operating principle are elaborately illustrated.
Yi Sui   +4 more
doaj   +1 more source

β Style Free-Piston Stirling Engine Control System Research

open access: yesMATEC Web of Conferences, 2016
For the Free-Piston Stirling Engines (FPSE) control system, a three -phase bridge circuit is reused as the system output about rectifier and start inverter.
Xu Jian, Zhang Yongsheng
doaj   +1 more source

An Analysis Model Combining Gamma-Type Stirling Engine and Power Converter

open access: yesEnergies, 2019
Waste heat is a potential source for powering our living environment. It can be harvested and transformed into electricity. Ohmic heat is a common type of waste heat.
Hua-Ju Shih
doaj   +1 more source

Design and heat transfer optimization of a 1 kW free-piston stirling engine for space reactor power system

open access: yesNuclear Engineering and Technology, 2021
The Free-Piston Stirling engine (FPSE) is of interest for many research in aerospace due to its advantages of long operating life, higher efficiency, and zero maintenance.
Zhiwen Dai   +5 more
doaj   +1 more source

Dynamic Simulation of the CO2 Cryogenic Separation Process

open access: yesInternational Journal of Chemical Engineering, Volume 2026, Issue 1, 2026.
This study develops steady‐state and dynamic models of a CO2 cryogenic separation process using Aspen HYSYS, focusing on control and operational robustness. The sensitive tray in the purification tower is identified using slope and sensitivity criteria, and PID controllers are applied with parameters tuned by empirical and relay autotuning.
Mingzhen Lin   +8 more
wiley   +1 more source

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