Thermal Comfort of the Kitchen in Pantry Cars on Indian Railways

Alam, Sarfaraz; Muthiah, Arunachalam; Salve, Urmi Ravindra

doi:10.18280/i2m.180506

Cited by 11 publications

(36 citation statements)

References 17 publications

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“…As discussed in previous studies, four or five chefs work in this kitchen area [4]. No ventilation system is included in this pantry car to reduce indoor hot air, and the air velocity has also been found to be very low, according to previous studies [7].…”

Section: Details Of the Non-airconditioned Pantry Car Kitchenmentioning

confidence: 70%

“…Table 2 showing the thermal sensation ranges values based on the SET index [15]. According to a previous thermal comfort study on the railway pantry car by Alam et al [7], the metabolic activity level and clothing value of pantry car chefs have been assumed to be 1.5 to 2.0 (met) and 0.5 to 0.58 (clo), respectively. However, for the simulation analysis in this study, the mean radiant temperature was assumed to be equal to the air temperature and the relative humidity is taken to be between 50-60% [4,7].…”

Section: Set Index Calculationmentioning

confidence: 99%

“…In a one pantry car coach has 4-5 chefs, 40-50 waiters, and 2 pantry staff [4][5][6]. As per the previous research by Alam et al [7] directed the hot and humid harsh environment has a significant impact on the chef's health and work efficiency in the pantry car kitchen due to less air movement and high temperature. Unfortunately, these issues are caused by poor ventilation systems that directly influence the chef's thermal comfort inside the pantry car kitchen.…”

Section: Introductionmentioning

confidence: 99%

“…In that research, the value of "PMV and PPD" index was found 2.93 and 99% respectively. Similarly, another thermal comfort study was conducted by Alam et al [7] on the railway pantry car kitchen with a large sample size during summer and winter seasons based on the "physical measurement and subjective assessment". The results of this also indicate that "PMV and PPD" index is not applicable for a thermal comfort application due to high temperature and less air movement.…”

Section: Introductionmentioning

confidence: 99%

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Enhancement of Thermal Comfort Inside the Kitchen of Non-Airconditioned Railway Pantry Car

Alam¹,

Salve²

2021

IJHT

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There are ample literature studies available, focusing on hot-humid built environment, which have achieved an increase in thermal comfort conditions by proper installation of ventilation-systems. The present thermal comfort study has been carried out in the kitchen environment of a non-air-conditioned railway pantry car in Indian Railways. The purpose is to enhance thermal comfort level under the currently applied ventilation system inside the kitchen of pantry car by determining the standard effective temperature (SET) index. During the summer and winter seasons, a field study was carried out to obtain the value of air temperature, globe temperature, relative humidity, and air velocity inside the pantry car for estimation of the SET index. A computational fluid dynamics (CFD) analysis was used to obtain a better-modified case model of the pantry car kitchen for the improvement of thermal comfort. The design interventions for the pantry car kitchen were created, with emphasis on increasing energy efficiency based on low-power consumption air ventilation system. The study results indicated that, modified case-I model has a better ventilation design concept as compare to the existing and other models, which increased the air velocity and significantly decreased the air temperature inside the kitchen of pantry car at all cooking periods. A value of SET (28.6–30℃) was found with a comfortable thermal sensation within all cooking periods, which is better for the pantry car workers. This finding suggests a sustainable improvement in the thermal environment of the "non-air-conditioned" pantry car kitchen in the Indian Railways, which can be applied immediately.

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Section: Details Of the Non-airconditioned Pantry Car Kitchenmentioning

confidence: 70%

Section: Set Index Calculationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Enhancement of Thermal Comfort Inside the Kitchen of Non-Airconditioned Railway Pantry Car

Alam¹,

Salve²

2021

IJHT

Self Cite

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“…are also crucial factors in implementing these design interventions. By utilizing proper ergonomic design principles, interventions are possible that may suit the targeted audience [17][18][19][20][21]. Also, workers' training in using the controls correctly is essential for minimizing the dust exposure level.…”

Section: Engineering Control Interventionsmentioning

confidence: 99%

Monitoring Respirable Dust Exposure in Fettling Work Environment of a Foundry: A Proposed Design Intervention

Sharma¹,

Kataria²,

Suri³

et al. 2020

IJSSE

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Foundry workers are exposed to numerous health hazards, which includes respirable dust exposure as a prominent health issue. Apart from metallic dust, respirable crystalline silica (RCS) is generated during the fettling operation, which is very hazardous and a leading cause for silicosis. Evaluation and control of such hazards deserve particular attention in order to reduce the dust exposure level upto the permissible limits. In present study, an attempt was made to propose a low-cost design control intervention utilizing sensor based intelligence (ATmega328P microcontroller and an optical dust-sensor, SHARP GP2Y1010AU0F) for monitoring the dust exposure, followed by virtual ergonomics approach in CATIAV5R20. The proposed device was tested under several operating conditions. The results indicated that the prototype was sensitive to dust, having higher average dust density values under the dust haze weather condition (arithmetic mean (AM): 0.2590 mg/m3, geometric mean (GM): 0.2350 mg/m3) and fettling work-section (AM: 0.2550 mg/m3, GM: 0.2164 mg/m3) respectively, as compared to other conditions. Also, biomechanics analysis yielded the spine compression values lesser than the recommended limits, validating that the proposed fettling booth models could be considered as suggestive engineering control measures in conjunction with the designed prototype, so as to minimize the respirable dust exposure levels.

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Investigating thermal environment inside the kitchen of air‐conditioned pantry car on Indian Railway using CFD

Alam

Sharma

Salve

2022

Hum Ftrs & Erg Mfg Svc

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In an indoor kitchen environment, proper installation of supplying air system is essential for maintaining optimal human thermal comfort level. Current thermal comfort investigation has been accomplished during "various cooking periods (breakfast, lunch, snacks, dinner)" inside the air-conditioned kitchen environment of railway pantry car in India. The study goals to improve thermal comfort inside the pantry kitchen by implementing proper installation of the supply air system. A field experiment and computational fluid dynamics approach has been carried out during the summer season. Also, standard effective temperature (SET) index was utilized to determine the thermal comfort status. Three proposed design modified cases of pantry cars (based on supplying air system concepts) have been executed followed by validation and comparison with the existing case model. Results revealed modified Case III as a better design concept (indicating better air supply circulation and temperature decrease at the desired location) compared to the existing and other two proposed cases. Simultaneously, the SET index range was 26.5-28.6°C; indicating "comfortable thermal sensation throughout the cooking period." This study's outcomes suggest improvements in thermal comfort and energy savings of "airconditioned" pantry car kitchens in "Indian Railways" that could be referred directly.

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Thermal Comfort of the Kitchen in Pantry Cars on Indian Railways

Cited by 11 publications

References 17 publications

Enhancement of Thermal Comfort Inside the Kitchen of Non-Airconditioned Railway Pantry Car

Enhancement of Thermal Comfort Inside the Kitchen of Non-Airconditioned Railway Pantry Car

Monitoring Respirable Dust Exposure in Fettling Work Environment of a Foundry: A Proposed Design Intervention

Investigating thermal environment inside the kitchen of air‐conditioned pantry car on Indian Railway using CFD

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