Flow phenomena leading to surge in a centrifugal compressor
B Semlitsch, M Mihăescu - Energy, 2016 - Elsevier
Surge is a global flow instability occurring in centrifugal compressors at low mass-flow rate
operation. Due to its violent nature, it is the limiting factor for operability. To enhance the …
operation. Due to its violent nature, it is the limiting factor for operability. To enhance the …
Numerical simulation application in occupational health studies: a review
Z Amiri, M Bayatian, S Mozafari - International Journal of …, 2024 - Taylor & Francis
Most occupational hazardous agents in workplaces should be evaluated and controlled.
Different methods exist for identifying, evaluating and controlling these agents, such as …
Different methods exist for identifying, evaluating and controlling these agents, such as …
Dynamic mode decomposition of the acoustic field in radial compressors
Widely recognized since the beginning of air travel as a major issue, noise reduction
remains nowadays a pressing concern for all stakeholders in the aviation industry. While …
remains nowadays a pressing concern for all stakeholders in the aviation industry. While …
“Blind Test 3” calculations of the performance and wake development behind two in-line and offset model wind turbines
PÅ Krogstad, L Sætran, MS Adaramola - Journal of Fluids and Structures, 2015 - Elsevier
This is a report on the comparison between measurement data and predictions presented at
the “Blind Test 3” Workshop organized jointly by Nowitech and Norcowe in Bergen, 10 and …
the “Blind Test 3” Workshop organized jointly by Nowitech and Norcowe in Bergen, 10 and …
Methodology for experimental validation of a CFD model for predicting noise generation in centrifugal compressors
Centrifugal compressors working in the surge side of the map generate a broadband noise
in the range of 1–3 kHz, named as whoosh noise. This noise is perceived at strongly …
in the range of 1–3 kHz, named as whoosh noise. This noise is perceived at strongly …
Acoustic signature of flow instabilities in radial compressors
Rotating stall and surge are flow instabilities contributing to the acoustic noise generated in
centrifugal compressors at low mass flow rates. Their acoustic generation mechanisms are …
centrifugal compressors at low mass flow rates. Their acoustic generation mechanisms are …
Control of noise generated from centrifugal refrigeration compressor
Vibration and noise characteristic of two-stage centrifugal compressors used in refrigeration
system is studied experimentally. Experimental results of vibration acceleration, sound …
system is studied experimentally. Experimental results of vibration acceleration, sound …
Influence of tip clearance on flow behavior and noise generation of centrifugal compressors in near-surge conditions
CFD has become an essential tool for researchers to analyze centrifugal compressors. Tip
leakage flow is usually considered one of the main mechanisms that dictate compressor flow …
leakage flow is usually considered one of the main mechanisms that dictate compressor flow …
Evaluation of modelling parameters for computing flow-induced noise in a small high-speed centrifugal compressor
Developments in computing infrastructure and methods over the last decade have
enhanced the potential of numerical methods to reasonably predict the aerodynamic noise …
enhanced the potential of numerical methods to reasonably predict the aerodynamic noise …
Numerical and experimental analysis of automotive turbocharger compressor aeroacoustics at different operating conditions
Centrifugal compressor aeroacoustics are analyzed by means of a three-dimensional CFD
model. Three operating points at nominal compressor speed are simulated ranging from …
model. Three operating points at nominal compressor speed are simulated ranging from …