Results 11 to 20 of about 2,046 (263)

Prediction of Non-Uniform Distorted Flows, Effects on Transonic Compressor Using CFD, Regression Analysis and Artificial Neural Networks

Applied Sciences, 2021
Non-uniform inlet flows frequently occur in aircrafts and result in chronological distortions of total temperature and total pressure at the engine inlet.
Muhammad Umer Sohail, Hossein Raza Hamdani, Asad Islam, Khalid Parvez, Abdul Munem Khan, Usman Allauddin, Muhammad Khurram, Hassan Elahi   +7 more
doaj   +1 more source

Numerical simulation of the non-uniform flow in a full-annulus multi-stage axial compressor with the harmonic balance method

Advances in Mechanical Engineering, 2020
To improve the understanding of unsteady flow in modern advanced axial compressor, unsteady simulations on full-annulus multi-stage axial compressor are carried out with the harmonic balance method.
Haiou Sun, Meng Wang, Zhongyi Wang, Song Wang, Franco Magagnato   +4 more
doaj   +1 more source

Investigation of the Axial Rotor Thrust in Centrifugal Compressors استقصاء الدفع المحورى على العضور الدوار فى الضواغط النابذة [PDF]

Journal of Engineering Research - Egypt, 2019
الهدف من البحث هو دراسة وتحليل والتعين الدقيق للدفع المحورى علىالعضو الدوار فى الضواغط الطاردة المرکزية. نشرح العوامل التى تؤثر علىالدفع المحورى مثل زيادة الأحمال على ضاغط ثانى أکسيد الکربون عنأوضاع التشغيل التصميمية له .
Aly Elzahaby, S. El-Agouz, Ahmed Nemnem, Abdelhady Mubarak   +3 more
doaj   +1 more source

VIGV Angle Optimization for Subsonic Axial Flow Compressor [PDF]

INCAS Bulletin, 2020
Long-term performance of an axial-flow compressor by the scheduling of inlet guide vanes at off-design conditions has been studied in this paper. The compressors are used in various industries and in aviation sectors for different operations at different
Prabhat SINGH, Dharmahinder Singh CHAND
doaj   +1 more source

An Improved Integral Method for Prediction of Distorted Inlet Flow Propagation in Axial Compressor

International Journal of Rotating Machinery, 2005
An improved integral method is proposed and developed for the quantitative prediction of distorted inlet flow propagation through axial compressor. The novel integral method is formulated using more appropriate and practical airfoil characteristics, with
Eddie Yin-Kwee Ng, Ningyu Liu, Hong Ngiap Lim, Daniel Tan   +3 more
doaj   +2 more sources

Test problem of flow modelling in the Rotor 37 compressor stage

Авіаційно-космічна техніка та технологія, 2023
The subject of the study is the dependence of the degree of pressure increase on the airflow in the impeller of the axial compressor degree. The object of study is the Rotor 37 axial compressor.
Andrii Duliepov, Yevhenіі Hlobin, Artem Kovtun, Mykhailo Khyzhniak, Kateryna Balalaieva   +4 more
doaj   +1 more source

Effect of Different Types of External Guide Vanes on the Performance of High-Pressure Centrifugal Compressor [PDF]

Journal of Applied Fluid Mechanics, 2023
In order to reduce exit swirl and obtain the desired Mach number, axial exit guide vanes (EGV) are often employed in a centrifugal compressor. NASA CC3 compressor, with wedge vane diffuser and without EGV, is considered as the base model for the analysis
P. Niveditha, B. S. Gopi
doaj   +1 more source

An Evaluation of Passive Wall Treatment with Circumferential Grooves at the Casing of the First and Second Blade Rotor Rows of a High-Performance Multi-Stage Axial Compressor

Aerospace
The internal losses in the tip clearance region strongly influence the compressor performance and its operational range. Previous research proved that passive wall treatments with circumferential grooves in axial compressors effectively increase the ...
Ruben Bruno Diaz, Jesuino Takachi Tomita, Cleverson Bringhenti, Franco Jefferds dos Santos Silva, Diogo Ferraz Cavalca   +4 more
doaj   +1 more source

Evaluation of the prospects for the use of single-stage centrifugal compressors based on high-pressure stages with an inlet guide device at linear gas compressor stations [PDF]

Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"
The issues of evaluating the technical and economic prospects for the use of gas pumping units with single-stage centrifugal compressors with an axial suction nozzle, created on the basis of high-pressure stages with axial impellers and an adjustable ...
A. D. Vanyashov, V. V. Karabanova, A. A. Nefedov   +2 more
doaj   +1 more source

Experimental and model investigations of SPS casing treatment on a two-stage compressor

Propulsion and Power Research, 2021
This paper will first carry out experimental investigations on a test compressor which is a large-scale, two-stage and low-speed axial one to evaluate the participation of a novel casing treatment (stall precursor-suppressed casing treatment, SPS CT ...
Xu Dong, Letian Zhang, Dakun Sun, Xiaofeng Sun   +3 more
doaj   +1 more source