Effect of Motion State of Chicken Mince on Uniformity of Microwave Heating
It is proposed to improve the uniformity of microwave heating by dynamically changing the move-ment pattern of food.The heating effect of chicken mince was compared under four different movement states(static,static+water bath,rotating,rotating+flipping).After microwave treatment,the samples under static treatment showed a higher temperature at the top and bottom ends and a lower temperature in the middle,resul-ting in low temperature uniformity.The static+water bath treatment could significantly improve the uneven heat-ing phenomenon,but the heating rate was relatively slow.The temperature uniformity of the rotating treatment group was better than that of the static+water bath group,second only to the rotating+flipping treatment.The samples treated with rotating+flipping had a small temperature difference between the top and bottom ends,achieving the best temperature uniformity.It is recommended to use a microwave power not exceeding 6 W/g and a flipping frequency not less than 20 s/time.
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