Experimental evaluation of vortex tube and its application in a novel trigenerative compressed air energy storage system

Teng, Shiyang; Xi, Huan

doi:10.1016/j.enconman.2022.115972

Cited by 17 publications

(4 citation statements)

References 51 publications

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“…In comparison with the previous study (Teng and Xi, 2022), the relative error for the compressor outlet temperature compared to the published data is 0.09%. In comparison with study (Wang et al, 2016), the relative error for the compressor power compared to the published data is 5.26%.…”

Section: Model Validationmentioning

confidence: 50%

“…To simplify the mathematical model and enhance its clarity, the following assumptions are proposed before conducting system performance calculations (Teng and Xi, 2022): 1) The system reaches a steady state in operating. 2) Evaluation is carried out under constant operating conditions, and the time of energy storage and release processes are equal.…”

Section: System Modelmentioning

confidence: 99%

“…A regulating valve is used to discharge air at a certain pressure. The mass and energy balance equations can be expressed as (Teng and Xi, 2022):…”

Section: Regulating Valvementioning

confidence: 99%

“…The proposed model's validation incorporated publicly available data from simulation cases (Teng and Xi, 2022) and experimental cases (Wang et al, 2016). In this section, the initial parameters used were set to be the same as those provided in the previous studies.…”

Section: Model Validationmentioning

confidence: 99%

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Analysis of compression/expansion stage on compressed air energy storage cogeneration system

An,

Li,

Lin

et al. 2023

Front. Energy Res.

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Compressed Air Energy Storage (CAES) technology has risen as a promising approach to effectively store renewable energy. Optimizing the efficient cascading utilization of multi-grade heat can greatly improve the efficiency and overall system performance. Particularly, the number of compressor and expander stages is a critical factor in determining the system’s performance. In this study, we focused on the Advanced Adiabatic Compressed Air Energy Storage system with Combined Heat and Power (AA-CAES -CHP). Both economic and thermodynamic models were established for the AA-CAES-CHP system. To systematically study the effects of compression and expansion stages, the influence of 3 different compressor stages and expander stages was comprehensively analyzed under 4 operating conditions. Key findings reveal that the count of compressor and expander stages have a notable impact on the exergy losses of the AA-CAES-CHP system. As for the investment cost, the proportion of investment cost for expanders decreases when the stage numbers of compressors and expanders are the same. Furthermore, both thermodynamic and economic characteristics allow us to optimize the AA-CAES-CHP system’s performance. One of our cases demonstrates that doubling the air mass flow rate results in a doubled total energy output with a relatively modest increase (41.1%–65.1%) in the total investment cost.

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Section: Model Validationmentioning

confidence: 50%

Section: System Modelmentioning

confidence: 99%

“…A regulating valve is used to discharge air at a certain pressure. The mass and energy balance equations can be expressed as (Teng and Xi, 2022):…”

Section: Regulating Valvementioning

confidence: 99%

Section: Model Validationmentioning

confidence: 99%

See 2 more Smart Citations