2022
DOI: 10.1088/1742-6596/2211/1/012022
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Experimental determination of the air exchange system influence on the thermal conditions of a local working area heated by a gas infrared heater

Abstract: The paper describes the results of experimental studies to determine thermal conditions of the local working area under natural and mixed convection states during the operation of a gas infrared heater (GIH). A horizontal panel and a mock-up with a uniform imitating a table and a worker were located in the area of GIH influence. The values of temperatures and heat flux density of the panel surfaces and air around the worker model were obtained during the GIH operation under natural and mixed convection states.… Show more

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Cited by 1 publication
(2 citation statements)
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“…Heated surfaces in the local working area can significantly affect thermal and concentration fields during the joint operation of open-type gas infrared heaters (CO 2 source) and the air-exchange system [19]. It is also important to mention the established effect of the additional air heating of the local working area [20]. This effect occurs due to the influx of heat released by the GIH case into the air layers around it and their movement into the local working area during air-exchange system operation.…”
Section: Introductionmentioning
confidence: 99%
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“…Heated surfaces in the local working area can significantly affect thermal and concentration fields during the joint operation of open-type gas infrared heaters (CO 2 source) and the air-exchange system [19]. It is also important to mention the established effect of the additional air heating of the local working area [20]. This effect occurs due to the influx of heat released by the GIH case into the air layers around it and their movement into the local working area during air-exchange system operation.…”
Section: Introductionmentioning
confidence: 99%
“…This effect occurs due to the influx of heat released by the GIH case into the air layers around it and their movement into the local working area during air-exchange system operation. It has been experimentally proven that the flow of "fresh" air from the air-exchange system, flowing around the heater case, entrains the gaseous combustion products coming from the GIH burners [20]. As a result, the air-exchange system supplies a mixture of "fresh" air and combustion products to the local working area.…”
Section: Introductionmentioning
confidence: 99%