Analysis of the leakage in a water-lubricated twin-screw air compressor

C Wang, Z Xing, W Chen, S Sun, Z He - Applied Thermal Engineering, 2019 - Elsevier
For water-lubricated twin-screw compressors, the estimation of leakage flow remains one of
the most important problems related to screw compressor design, performance prediction …

Study on the noise reduction methods for a semi-hermetic variable frequency twin-screw refrigeration compressor

J Shen, W Chen, S Yan, M Zhou, H Liu - International Journal of …, 2021 - Elsevier
The semi-hermetic twin-screw refrigeration compressors have been widely applied in middle
size refrigeration and heat pump systems. The operation noise of the twin-screw …

A thermodynamic chamber modelling approach for oil free and oil injected twin screw compressors

G Ramchandran, J Harrison - IOP Conference Series: Materials …, 2021 - iopscience.iop.org
As computational modelling becomes an increasingly reliable and key component in
accelerating the design process for twin screw machines, the goals for engineers now …

[PDF][PDF] 半封闭变频螺杆制冷压缩机降噪方法及试验

陈文卿, 沈九兵, 严思远, 刘华, 周明龙 - 机械工程学报, 2020 - qikan.cmes.org
变频螺杆制冷压缩机因其部分负荷节能特性已成为一种螺杆制冷压缩机的发展趋势,
宽频的脉动噪声是限制其市场应用与竞争力的关键因素. 基于变频螺杆制冷压缩机结构特点与 …

Grid generation for CFD analysis and design of a variety of twin screw machines

S Rane, A Kovačević, N Stošić - Designs, 2019 - mdpi.com
A detailed study of the fluid flow and thermodynamic processes in positive displacement
machines requires 3D CFD modeling in order to capture their real geometry, including …

Calculation of discharge pressure pulsations of a screw compressor using the one-dimensional method of characteristics

A Linkamp, A Brümmer - … of the 8th International Conference on …, 2013 - books.google.com
This paper presents a method to simulate the discharge process of screw compressors. The
calculation is based on the method of characteristics. The main focus is the transient …

双螺杆制冷压缩机排气压力脉动特性的实验研究.

孙时中, 周明龙, 陈文卿, 王闯, 邢子文… - Journal of …, 2024 - search.ebscohost.com
摘要为研究一台冷水机组用双螺杆制冷压缩机的压力脉动特性, 本文测录了压缩机压缩及排气
过程的瞬态压力变化, 解析其压力脉动频域特性, 研究了运行转速和冷凝温度对压力脉动特性的 …

Extending the role of computational fluid dynamics in screw machines

A Kovacevic, N Stosic, E Mujic… - Proceedings of the …, 2011 - journals.sagepub.com
Previous publications show that computational fluid dynamics (CFD) can be readily used for
the flow prediction and analysis of screw compressors. Several case studies are presented …

Computational fluid dynamics in rotary positive displacement screw machines

A Kovacevic, S Rane, N Stosic - 16th International Symposium on …, 2016 - hal.science
Positive displacement screw machines are classified as compressors, expanders, extruders,
blowers, vacuum pumps, liquid and multiphase pumps. They are commonly used in …

Impact of rotor geometry and fluid injection on screw compressor performance

A Kumar, A Kovacevic, N Stosic - IOP Conference Series …, 2024 - iopscience.iop.org
Screw compressors are widely used in industrial and commercial applications due to their
high efficiency, reliability, and durability. However, there is still room for improvement in …