Analysis of optimal expansion dynamics in a reciprocating drive for a micro-CAES production system

Leszczyński, Jacek S.; Gryboś, Dominik; Markowski, Jan

doi:10.1016/j.apenergy.2023.121742

Cited by 9 publications

(2 citation statements)

References 51 publications

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“…A mathematical model of the expander-generator unit was created to determine the device's operating parameters. The authors in [42] conducted an in-depth analysis of the dynamics of compressed air expansion in the pneumatic piston engine system, thereby describing each of the processes occurring in the CAS. The model of the unit was formulated according to [42] in the form of the differential equations presented below.…”

Section: Theoretical Setupmentioning

confidence: 99%

Exhaust Air Recovery System from the Utilisation Stage of Pneumatic System in Double Transmission Double Expansion Approach

Markowski,

Gryboś,

Leszczyński

et al. 2023

Energies

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Pneumatic machines and systems are highly popular in the automation and mechanisation of production lines in many industry sectors, such as, e.g., food, automotive, production, and packaging. However, the energy efficiency of the pneumatic system is very low at about 10 to 20% The exhaust air from pneumatic machines has high energy, which is considered waste. This study introduces a novel energy recovery machine designed for integration into industrial compressed air systems. The authors describe the potential of the recovery machine within an industrial environment and present a developed exhaust air recovery system which collects exhaust air and converts it into electricity. Comprehensive industrial tests were conducted to evaluate its performance. The results, along with a detailed analysis, are presented, thereby showing there machine’s capabilities in recovering energy from compressed air processes. This research provides valuable insights into the practical implementation and benefits of deploying such energy recovery systems at an industrial scale. The findings demonstrate the machine’s potential to enhance energy efficiency and reduce operational costs in a wide array of industrial applications that are reliant on compressed air.

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Section: Theoretical Setupmentioning

confidence: 99%

Exhaust Air Recovery System from the Utilisation Stage of Pneumatic System in Double Transmission Double Expansion Approach

Markowski,

Gryboś,

Leszczyński

et al. 2023

Energies

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“…Compressors can generally be divided into reciprocating compressors, centrifugal compressor, and scroll compressors. Leszczy ński et al [8] introduced the unique design of a micro CAES device with efficient total energy conversion for generating, storing, and transmitting electrical energy. The mathematical model was compared with the experimental data of a single-drive air expander, and the reliability of the model was demonstrated qualitatively and quantitatively.…”

Section: Introductionmentioning

confidence: 99%

Experimental Research on the Output Performance of Scroll Compressor for Micro Scale Compressed Air Energy Storage System

Fang,

Xu,

Zhang

et al. 2023

Sustainability

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Micro compressed air energy storage systems are a research hotspot in the field of compressed air energy storage technology. Compressors and expanders are the core equipment for energy conversion, and their performance has a significant impact on the performance of the entire compressed air energy storage system. Scroll compressors have the advantages of small size, low noise, light weight, low vibration, long service life, continuous and stable gas transmission, and reliable operation. This article builds a micro compressed air energy storage system based on a scroll compressor and studies the effects of key parameters such as speed, torque, current, and storage tank pressure on the temperature difference, pressure ratio, energy consumption, and efficiency of the scroll compressor. The experimental results indicate that the power consumption of the scroll compressor shows an increasing trend with the increase in current, torque, and gas storage tank pressure. The isentropic efficiency of a scroll compressor shows a decreasing trend with increasing current, torque, and storage tank pressure. The maximum values of power consumption and isentropic efficiency of the scroll compressor are 3427 W and 90.8%, respectively.

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A review on energy efficiency techniques used in machining for combined generation units

Ocak,

Can

2024

Int J Interact Des Manuf

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Analysis of optimal expansion dynamics in a reciprocating drive for a micro-CAES production system

Cited by 9 publications

References 51 publications

Exhaust Air Recovery System from the Utilisation Stage of Pneumatic System in Double Transmission Double Expansion Approach

Exhaust Air Recovery System from the Utilisation Stage of Pneumatic System in Double Transmission Double Expansion Approach

Experimental Research on the Output Performance of Scroll Compressor for Micro Scale Compressed Air Energy Storage System

A review on energy efficiency techniques used in machining for combined generation units

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