Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer

This paper presents a theoretical model and its experimental validation for the pressure ratio of a swash plate-rotating hydraulic transformer. The structure and principle of the new type of transformer are described. The swash plate-rotating type can reduce the throttling loss caused by the valve p...

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Main Authors: Chongbo Jing, Junjie Zhou, Shihua Yuan, Siyuan Zhao
Format: Article
Language:English
Published: MDPI AG 2018-06-01
Series:Energies
Subjects:
Online Access:http://www.mdpi.com/1996-1073/11/6/1612
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author Chongbo Jing
Junjie Zhou
Shihua Yuan
Siyuan Zhao
author_facet Chongbo Jing
Junjie Zhou
Shihua Yuan
Siyuan Zhao
author_sort Chongbo Jing
collection DOAJ
description This paper presents a theoretical model and its experimental validation for the pressure ratio of a swash plate-rotating hydraulic transformer. The structure and principle of the new type of transformer are described. The swash plate-rotating type can reduce the throttling loss caused by the valve plate in traditional hydraulic transformers. The theoretical model of the pressure ratio was derived based on the displacements functioning as the pump and motor in the transformer, accounting for the friction losses. A specific experimental setup including the prototype was established to validate the principle and pressure ratio of the machine. The results show that the transformer has a wider pressure range. The increase in pressure at port A and the rotating speed of the cylinder can reduce the pressure ratio slightly due to the torque loss. The present work indicates the useful potential of the swash plate-rotating hydraulic transformer.
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spelling doaj.art-c59c9f7bb2cc4140a7a2c3959f94d62a2022-12-22T03:10:05ZengMDPI AGEnergies1996-10732018-06-01116161210.3390/en11061612en11061612Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic TransformerChongbo Jing0Junjie Zhou1Shihua Yuan2Siyuan Zhao3School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, ChinaThis paper presents a theoretical model and its experimental validation for the pressure ratio of a swash plate-rotating hydraulic transformer. The structure and principle of the new type of transformer are described. The swash plate-rotating type can reduce the throttling loss caused by the valve plate in traditional hydraulic transformers. The theoretical model of the pressure ratio was derived based on the displacements functioning as the pump and motor in the transformer, accounting for the friction losses. A specific experimental setup including the prototype was established to validate the principle and pressure ratio of the machine. The results show that the transformer has a wider pressure range. The increase in pressure at port A and the rotating speed of the cylinder can reduce the pressure ratio slightly due to the torque loss. The present work indicates the useful potential of the swash plate-rotating hydraulic transformer.http://www.mdpi.com/1996-1073/11/6/1612hydraulic transformerpressure ratioswash plateexperimentalenergy saving
spellingShingle Chongbo Jing
Junjie Zhou
Shihua Yuan
Siyuan Zhao
Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer
Energies
hydraulic transformer
pressure ratio
swash plate
experimental
energy saving
title Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer
title_full Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer
title_fullStr Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer
title_full_unstemmed Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer
title_short Research on the Pressure Ratio Characteristics of a Swash Plate-Rotating Hydraulic Transformer
title_sort research on the pressure ratio characteristics of a swash plate rotating hydraulic transformer
topic hydraulic transformer
pressure ratio
swash plate
experimental
energy saving
url http://www.mdpi.com/1996-1073/11/6/1612
work_keys_str_mv AT chongbojing researchonthepressureratiocharacteristicsofaswashplaterotatinghydraulictransformer
AT junjiezhou researchonthepressureratiocharacteristicsofaswashplaterotatinghydraulictransformer
AT shihuayuan researchonthepressureratiocharacteristicsofaswashplaterotatinghydraulictransformer
AT siyuanzhao researchonthepressureratiocharacteristicsofaswashplaterotatinghydraulictransformer