... accessible hydrogen network of pipelines. New compressors will be necessary to feed those pipelines, and for the volumes of hydrogen considered, only centrifugal compressors would be an adequate solution. But centrifugal compressors for hydrogen are a complex matter. Many technical issues are still under...

... Abstract Surge is a phenomenon that occurs in centrifugal compressors characterized by a sudden and severe drop in pressure and flow rate. To avoid the phenomena, an anti-surge valve (ASV) is installed in parallel with the compressor. The valve opening is manipulated by a control system...

... Abstract Centrifugal compressors are widely employed in various small power systems, such as automotive turbocharger, electric compressor and centrifugal chiller. As a key component of such power systems, the performance of centrifugal compressors plays an important role for the energy...

... Abstract Centrifugal compressors are widely used in turbocharged powertrains for Heavy-Duty applications. The volute of the centrifugal compressors is generally of the overhung type. The design of volutes is often neglected, and the shape of the volute is dictated by the packaging requirements...

... Abstract This paper describes the work carried out to evaluate the off-design performance of a centrifugal compressor which consists of an impeller, a vaneless diffuser, a radial vaned diffuser, a radial-to-axial 90° bend and an axial diffuser (also called as de-swirl vanes), used for small gas...

... Abstract Centrifugal compressors will play a key role in efficiency of energy transition from fossil fuels in commercial and district heating applications. The overall efficiency of such compressors can be further improved by incorporating active magnetic bearings and high-speed direct drives...

... industry. Hydrogen being the lighter and low-density gas, its compression with traditional technologies such as centrifugal and reciprocating compressors demand new design philosophies to meet the new energy market’s needs. New generations of high efficient centrifugal compressor stages are needed to meet...

... Abstract This paper introduces the next generation of the Centrifugal Stage for Aerodynamic Research (CSTAR) facility at the Purdue University Compressor Research Lab. The research centrifugal compressor is designed with an additively manufactured stationary diffusion system which comprises...

... Abstract Among myriad industrial applications, the centrifugal compressor is a critical equipment in both upstream and downstream oil and gas production and processing facilities. In upstream applications, the varying properties (temperature, pressure, mass flow) of crude oil during the life...

... Abstract The present investigation seeks to comprehensively analyze the impact of diverse endwall contouring strategies on the operational stability of a singular high-pressure ratio centrifugal compressor stage. Employing numerical simulation techniques, this study systematically examines...

... centrifugal compressor Proceedings of ASME Turbo Expo 2024 Turbomachinery Technical Conference and Exposition GT2024 June 24-28, 2024, London, United Kingdom GT2024-123596 DESIGN AND TESTING OF A COMPACT, REVERSE BRAYTON CYCLE, AIR (R729) COOLING MACHINE Sönke Teichel1 Renan Emre Karaefe1, Ahmet Çok en1...

... Abstract Inline centrifugal compressors are prevalent in the oil & gas industry. The process conditions for these compressors necessitate operation over a range of inlet flows, suction & discharge pressures and speeds. In many instances, operation is at high pressures in excess of 200...

... Abstract The ASME Performance Test Code (PTC-10) stipulates the need for a unified polytropic calculation procedure on reporting out performance characteristics for centrifugal compressors. The accurate determination of enthalpy and entropy, in addition to the thermodynamic gas constants, plays...

... modifying the Greitzer B parameter as a means of estimating surge and stall in S-CO 2 compressors. S-CO 2 compressor centrifugal compressor surge stall Proceedings of ASME Turbo Expo 2024 Turbomachinery Technical Conference and Exposition GT2024 June 24-28, 2024, London, United Kingdom GT2024...

... Abstract The centrifugal compressor blade will be excited by unsteady flow and mechanical vibration such as distorted flow, turbulence and rotor vibration, etc. Coupled vibration of the blade will occur with several high-order modes, which may lead to complex high cycle fatigue failure...

... Abstract Fillets are often neglected in the flow analysis of centrifugal compressors due to the assumption of having little influence on the flow field and the difficulties related to the grid generation. Existing studies have shown an impact on efficiency, pressure ratio and choke margin...

...-Kriging surrogate model. The advantages of the novel approach are justified by comparing the numerical effort and the final values of the optimization objectives. reverse Rankine cycle turbomachinery optimization centrifugal compressor Proceedings of ASME Turbo Expo 2024 Turbomachinery...

... Abstract The demand for HVAC chiller systems in commercial centers is ever-increasing. Chillers with centrifugal compressor units produce high-frequency noise, a significant problem that needs to be addressed. The blade passing frequency is the primary noise source a centrifugal compressor...

... Abstract 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 appear when a compressor operates at a lower than the design mass flow rate and approaches the surge line...

... casing treatment for a highly loaded centrifugal compressor equipped with a vaneless diffuser. A parametric study was conducted using a validated Computational Fluid Dynamics (CFD) model to determine the sensitivity of compressor pressure ratio, efficiency, and recirculation ratio to the downstream slit...