Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators
Traditional single-scale indoor air quality (IAQ) evaluation methods often fail to meet the demands of modern, personalized kitchens. To address this limitation, we propose a comprehensive IAQ index, integrating experimental data and simulation results. The index incorporates four key IAQ auxiliary...
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MDPI AG
2025-06-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/15/12/6755 |
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| author | Hai Huang Shunyu Zhang Xiangrui Zhao Zhenlei Chen |
| author_facet | Hai Huang Shunyu Zhang Xiangrui Zhao Zhenlei Chen |
| author_sort | Hai Huang |
| collection | DOAJ |
| description | Traditional single-scale indoor air quality (IAQ) evaluation methods often fail to meet the demands of modern, personalized kitchens. To address this limitation, we propose a comprehensive IAQ index, integrating experimental data and simulation results. The index incorporates four key IAQ auxiliary evaluation indicators: air distribution performance index (ADPI), predicted mean vote (PMV), cooking oil fume particulates (COFP), and CO<sub>2</sub> concentration. We developed a kitchen model and used the comprehensive IAQ index to benchmark simulation results against experimental tests. Optimal kitchen air quality occurred at a supply air angle of 90° and airflow velocity of 2.268 m<sup>3</sup>/min, reducing air pollution impact by 29.50%. This configuration enhanced thermal comfort while reducing secondary COFP accumulation in the breathing zone by 22%. The 29.50% Q-index reduction corresponded to a 24% decrease in peak CO<sub>2</sub> exposure (638 ppm, clean-air level) and 22% lower COFP in breathing zones, mitigating health risks. Optimized airflow (2.268 m<sup>3</sup>/min) avoided excessive ventilation, reducing energy waste and achieving balanced IAQ-energy efficiency. |
| format | Article |
| id | doaj-art-cbea66bcb80449c5a19c45cf6b421f68 |
| institution | Kabale University |
| issn | 2076-3417 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-cbea66bcb80449c5a19c45cf6b421f682025-08-20T03:32:31ZengMDPI AGApplied Sciences2076-34172025-06-011512675510.3390/app15126755Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation IndicatorsHai Huang0Shunyu Zhang1Xiangrui Zhao2Zhenlei Chen3Faculty of Maritime and Transportation, Ningbo University, Ningbo 315000, ChinaFaculty of Maritime and Transportation, Ningbo University, Ningbo 315000, ChinaFaculty of Maritime and Transportation, Ningbo University, Ningbo 315000, ChinaFaculty of Maritime and Transportation, Ningbo University, Ningbo 315000, ChinaTraditional single-scale indoor air quality (IAQ) evaluation methods often fail to meet the demands of modern, personalized kitchens. To address this limitation, we propose a comprehensive IAQ index, integrating experimental data and simulation results. The index incorporates four key IAQ auxiliary evaluation indicators: air distribution performance index (ADPI), predicted mean vote (PMV), cooking oil fume particulates (COFP), and CO<sub>2</sub> concentration. We developed a kitchen model and used the comprehensive IAQ index to benchmark simulation results against experimental tests. Optimal kitchen air quality occurred at a supply air angle of 90° and airflow velocity of 2.268 m<sup>3</sup>/min, reducing air pollution impact by 29.50%. This configuration enhanced thermal comfort while reducing secondary COFP accumulation in the breathing zone by 22%. The 29.50% Q-index reduction corresponded to a 24% decrease in peak CO<sub>2</sub> exposure (638 ppm, clean-air level) and 22% lower COFP in breathing zones, mitigating health risks. Optimized airflow (2.268 m<sup>3</sup>/min) avoided excessive ventilation, reducing energy waste and achieving balanced IAQ-energy efficiency.https://www.mdpi.com/2076-3417/15/12/6755indoor air qualityauxiliary evaluation indexsupply air anglesupply air velocity |
| spellingShingle | Hai Huang Shunyu Zhang Xiangrui Zhao Zhenlei Chen Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators Applied Sciences indoor air quality auxiliary evaluation index supply air angle supply air velocity |
| title | Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators |
| title_full | Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators |
| title_fullStr | Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators |
| title_full_unstemmed | Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators |
| title_short | Comprehensive Optimization of Air Quality in Kitchen Based on Auxiliary Evaluation Indicators |
| title_sort | comprehensive optimization of air quality in kitchen based on auxiliary evaluation indicators |
| topic | indoor air quality auxiliary evaluation index supply air angle supply air velocity |
| url | https://www.mdpi.com/2076-3417/15/12/6755 |
| work_keys_str_mv | AT haihuang comprehensiveoptimizationofairqualityinkitchenbasedonauxiliaryevaluationindicators AT shunyuzhang comprehensiveoptimizationofairqualityinkitchenbasedonauxiliaryevaluationindicators AT xiangruizhao comprehensiveoptimizationofairqualityinkitchenbasedonauxiliaryevaluationindicators AT zhenleichen comprehensiveoptimizationofairqualityinkitchenbasedonauxiliaryevaluationindicators |