Analysis of the Effect of the Ratio of Discharge Pressure to Suction Pressure on the Characteristics of a Piston Hybrid Power Machine with Gas Suction Capacity

Shcherba, V. Е.; Shcherbakov, V. S.; Galdin, N. S.; Grigor’ev, A. V.; Trukhanova, D. A.

doi:10.1007/s10556-018-0446-7

Cited by 2 publications

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“…Owing to the high wear and tear on public utilities equipment, there has been a sharp increase in the number of emergency and repair works related to the destruction of frozen soils during the repair of heating, hot and cold water systems during the winter period [3].…”

Section: Introductionmentioning

confidence: 99%

Research Results on Influence of Hydraulic Hammer Design Parameters

et al. 2021

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The article presents the results of the theoretical research on the influence of the design parameters on the output characterictics of a hydraulic hammer. The hydraulic hammer under the study has a hydraulic percussive mechanism of a permanent pressure-type structure with a spool free control unit. A design model of a hydraulic percussive mechanism with a spool free control unit has been developed. The mathematical model of the hydraulic percussive mechanism of a permanent pressure-type structure with a spool free control unit is presented. The oscillogram resulting from the theoretical studies, which defines the operation of the hydraulic percussive mechanism, is presented. A range of the rational zones for selecting the main design parameters of the hydraulic percussive mechnism is obtained.

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Section: Introductionmentioning

confidence: 99%

Research Results on Influence of Hydraulic Hammer Design Parameters

et al. 2021

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An Analysis of the Cooling Intensity Effect of a Two-Cylinder Single-Stage Piston Hybrid Power Machine with Fluid Flow Due to Vacuum at Suction on the Working Processes and Indicative Efficiency

et al. 2020

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In this paper, a new promising scheme of a two-cylinder single-stage piston hybrid power machine with fluid flow due to vacuum at suction is examined. A prototype is developed, and an experimental stand is created. An analysis of the influence of the coolant flow on the working processes of the machine is carried out theoretically and experimentally. The results obtained show that an increase in the coolant consumption leads to a decrease in the input technical work in the process of compression, an increase in the output technical work in the process of decompression, a reduction of the work losses in the process of discharge and an increase of the work losses in the process of suction. Based on the conducted experimental studies it is established that the optimal indicative value of the efficiency for the experimental machine under study is in the range of 300 – 400 ml/min and the relative increase in the indicative efficiency is within 7 %.

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Analysis of the Effect of the Ratio of Discharge Pressure to Suction Pressure on the Characteristics of a Piston Hybrid Power Machine with Gas Suction Capacity

Cited by 2 publications

References 1 publication

Research Results on Influence of Hydraulic Hammer Design Parameters

Research Results on Influence of Hydraulic Hammer Design Parameters

An Analysis of the Cooling Intensity Effect of a Two-Cylinder Single-Stage Piston Hybrid Power Machine with Fluid Flow Due to Vacuum at Suction on the Working Processes and Indicative Efficiency

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