Numerical model of predicting surge boundaries in high-speed centrifugal compressors

M Zhang, W Wu, C Zhou - Aerospace Science and Technology, 2023 - Elsevier
A numerical model of the whole compression system is established in this paper. The
introduction of the Laval nozzle and opening boundary methods adaptively simulate the …

Numerical Investigation of Rotating Instability Development in a Wide Tip Gap Centrifugal Compressor

X Flete, N Binder, Y Bousquet, S Cros - International Journal of …, 2023 - mdpi.com
In the current study, full-stage unsteady simulations were performed to investigate rotating
instability inception mechanisms in a particularly large tip clearance centrifugal compressor …

Numerical model of a deep surge cycle in low-speed centrifugal compressor

G Liśkiewicz, M Kulak… - Journal of …, 2020 - asmedigitalcollection.asme.org
In this article, a numerical model of the full surge cycle is presented for the low-speed
centrifugal blower and compared with the experiment. Surge phenomenon is very …

Investigation of the effect of the geometric deviations on the performance of a radial flow compressor employing uncertainty quantification (UQ) and sensitivity analysis

D Altafi, M Mojaddam, B Ghadimi - The Journal of Engine …, 2022 - engineresearch.ir
The performance of the impeller of a radial flow compressor is highly affected by its
geometric uncertainties. The geometrical characteristics of the impeller may change slightly …

Sensitivity Study of Greitzer Model Based on Physical System Parameters of Radial Compressing Units

A Jaeschke, G Liśkiewicz - Energies, 2020 - mdpi.com
Centrifugal compressors are key elements of energy systems and industrial installations
including fluid flow. Their operating range is strictly limited by the surge phenomenon. The …

Recirculation Zones During the Centrifugal Compressor Surge Cycle: CFD Simulation

M Kulak, F Grapow… - … Expo: Power for …, 2020 - asmedigitalcollection.asme.org
In this paper the flow recirculation regions during the full surge cycle were described. It is a
known fact that the surge cycle consists of two periods: backflow and recovery. The aim of …

بررسی اثر انحرافات هندسی بر عملکرد یک کمپرسور جریان شعاعی به کمک محاسبه ‌عدم‌قطعیت و آنالیزحساسیت

الطافی, داود, مجدم, محمد, قدیمی, بهنام - تحقیقات موتور, 2022‎ - engineresearch.ir
عملکرد پروانه شعاعی یک کمپرسور گریز از مرکز شدیدا تحت تأثیر عدم قطعیت‌های هندسی آن
است. مشخصه‌های هندسی پروانه ممکن است در طول فرایند تولید یا بر اثر کارکرد بلندمدت، دچار …

[PDF][PDF] ANALYSIS OF THE INLET RECIRCULATION PHENOMENON IN A HIGH-SPEED INDUSTRIAL CENTRIFUGAL COMPRESSOR: EXPERIMENTAL AND …

T Ullah, M Klüver, A Jaatinen-Värri, T Turunen-Saaresti… - researchgate.net
This research paper presents an investigation of the local flow instability known as inlet
recirculation in a high-speed industrial centrifugal compressor. This phenomenon might …