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RISIncipient Surge Analysis in Time and Frequency Domain for Centrifugal Compressors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The use of centrifugal compressors has been increasing tremendously in the last decade as they are a key component in the present energy scenario both in the modern internal combustion engine design and in advanced cycles ...
Experimental Investigation on the Dynamic Response of a Turbocharger Centrifugal Compressor in Surge Transitions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Centrifugal compressors play a critical role in various industrial applications, and understanding their operational behavior, especially during surge conditions, is essential for enhancing efficiency and reliability. This ...
Performance Investigation of Stator-Less and Blade-Less Radial Expander
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Interests in small-scale turbomachinery are gaining momentum, particularly around waste heat recovery using Organic Rankine Cycle (ORC), energy harvesting, pico-hydro, refrigeration and heat pumps and small-scale power ...
Incipient Surge Detection in Large Volume Energy Systems Based on Wigner–Ville Distribution Evaluated on Vibration Signals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compressor response investigation in nearly unstable operating conditions, like rotating stall and incipient surge, is a challenging topic nowadays in the turbomachinery research field. Indeed, turbines connected with ...
Centrifugal Compressor Surge in Innovative Heat Pump: Fluid Dynamic and Vibrational Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the current energy scenario, it is necessary to reduce fossil fuel consumption to achieve the far-sighted and stringent decarbonization goals. To date, heat is mainly produced through fossil fuels. Alternatively, ...
Signal Processing Techniques to Detect Centrifugal Compressors Instabilities in Large Volume Power Plants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper shows signal processing techniques applied to experimental data obtained from a T100 microturbine connected with different volume sizes. This experimental activity was conducted by means of the test rig developed ...
Centrifugal Compressor Surge in Closed-Loop Systems: Initial Modeling and Comparison With Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat pumps are expected to play a primary role in electrification of thermal users in the residential and industrial sectors. Dynamic compressors are widely used in large size heat pumps, thanks to their industrial ...
Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present energy scenario, heat pumps (HPs) are assuming an important role to improve energy efficiency in reversible cooling systems. In particular, in case of industrial size plants, centrifugal compressors are ...
Compressor Surge Precursors for a Turbocharger Coupled to a Pressure Vessel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dynamic compressors operating region is mainly constrained by fluiddynamic instabilities occurring at low mass flowrate conditions, such as surge and rotating stall. This work presents a vibroacoustic experimental investigation ...