American Journal of Food Science and Health
Articles Information
American Journal of Food Science and Health, Vol.5, No.3, Sep. 2019, Pub. Date: Nov. 21, 2019
An Overview on Role of Desiccant Cooling on Human Health
Pages: 148-157 Views: 192 Downloads: 24
Authors
[01] Jani Dilip Batukray, Department of Mechanical Engineering, GEC-Dahod, Gujarat Technological University (GTU), Ahmedabad, India.
Abstract
High humidity level of the indoor moist air has adverse effect on human health as it perceived indoor air quality (IOQ). Its major threat is observed as sensory irritation in eyes and respiratory systems due to drastic reduction in humidity sometimes due to overcooling. This overview has reviewed many literatures containing desiccant based alternative cooling as option to vapor compression based traditional cooling in maintaining efficient control over indoor humidity the effects of extended exposure to humidity on perceived IAQ over human health, sensory irritation symptoms in eyes and airways, work performance, sleep quality, virus survival, and voice disruption. As efficient control humidity may positively impact perceived IAQ, eye symptomatology, and possibly human health issues in the hospital mild environment. Amelioration in indoor air humidity level appears to reduce nasal symptoms in patients suffering from obstructive apnea syndrome, while no clear improvement on voice production has been identified, except for those with vocal fatigue. Both either low or high moisture content and perhaps even better relative humidity in range 50-60% prevents the transmission and survival of influenza virus and other bacterial growth in many studies. Maintenance of indoor humidity in above range as one of the IAQ parameter appears to reflect different perceptions among other odour, dustiness and possibly exacerbated by desiccation effect of low air humidity.
Keywords
Desiccant Cooling, Desiccant Dehumidification, Human Health, Humidity Control
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