Efficiency evaluation of a miniature multi-stage compressor under insufficient inter-stage cooling conditions

Y Liu, N Miao, Y Deng, D Wu - International Journal of Refrigeration, 2019 - Elsevier
A miniature multi-stage compressor (MMSC) with an integrated inter-stage cooler has been
proposed. This study aims to evaluate the efficiency of each stage of the MMSC under …

Experimental and numerical investigation of lubrication system for reciprocating compressor

M Ozsipahi, HA Kose, S Cadirci, H Kerpicci… - International Journal of …, 2019 - Elsevier
Sufficient lubrication of the moving parts in a variable capacity inverter compressor is vital
since it can directly affect the performance and expected lifetime. In this study, the lubrication …

Investigation on the characteristics of oil supply system for a hermetic variable speed rotary compressor

Y Zhu, G He, W Sun, M Shimoji, X Chen - International Journal of …, 2020 - Elsevier
A hermetic variable speed rotary compressor has a substantially vertically oriented drive
shaft, by which the oil is driven upwards and delivered to the lubricating components. To …

Experimental and numerical analysis of two different bottom pumps of a hermetic reciprocating compressor at low speeds

P Pashak, A Shahzad, F Abdulhamid… - International Journal of …, 2023 - Elsevier
Operating at low speeds (< 2000 rpm) is critical in achieving optimal energy efficiency for
inverter-type hermetic reciprocating compressors. However, ensuring the efficient delivery of …

Effect of oil stirrer on the performance of oil supply system for a variable speed rotary compressor

Y Zhu, G He, W Sun, M Shimoji, X Chen - International Journal of …, 2019 - Elsevier
This paper presents an investigation regarding the effect of oil stirrer on the performance of
oil supply system for variable speed rotary compressors. Oil supply rate for oil pump with an …

A novel unibody axial flow pump for the lubrication of inverter type hermetic reciprocating compressors

A Shahzad, P Pashak, I Lazoglu - International Journal of Refrigeration, 2022 - Elsevier
Lubrication at low speeds is a general problem in the hermetic reciprocating compressors
for household refrigerators. The aim of this article is to present a new method using a novel …

[HTML][HTML] Second law efficiency of air-cooled refrigeration compressors

M Arqam, A Jahangiri, M Mitchell, NS Bennett… - Progress in Engineering …, 2024 - Elsevier
Isentropic efficiency is a common performance measure for compressors and is useful for
modelling the behaviour of real compressors in relation to discharge temperature or …

Numerical investigation of refrigerant outgassing in the screw pump of a hermetic reciprocating compressor oil supply system

VM Braga, JR Barbosa Jr… - Proceedings of the …, 2022 - journals.sagepub.com
This paper reports an investigation on the phenomenon of refrigerant outgassing in the
screw pump of a hermetic reciprocating compressor oil supply system. The interfacial mass …

A novel experimental rig to investigate the effect of the refrigerant on the oil supply of a variable capacity reciprocating compressor

VM Braga, CJ Deschamps - International Journal of Refrigeration, 2023 - Elsevier
The oil pumping plays a key role in the reliability and efficiency of compressors adopted in
refrigeration systems. However, the investigations available in the literature on this subject …

Quality prediction of plunger components based on the finite element method during the neck-spinning process

Y Wang, H Su, G Lu, J Dai, B Zhao, C Dai… - The International Journal of …, 2020 - Springer
To improve the neck-spinning processing quality of plunger components, a reliable finite
element (FE) model was established and validated by the experimental spinning force. In …