Preparation and Storage Experiment of Cocurrent Special-shaped Alfalfa

被引：0
|
作者：
Yu Y. [1 ]
He G. [2 ]
Wang G. [1 ]
Wang D. [1 ]
Liu G. [3 ]
机构：
[1] College of Engineering, China Agricultural University, Beijing
[2] Huhhot Branch of Chinese Academy of Agricultural Mechanization Sciences, Huhhot
[3] College of Animal Science and Technology, Hebei North University, Xuanhua
来源：
Wang, Guanghui (guanghui.wang@cau.edu.cn) | 1600年 / Chinese Society of Agricultural Machinery卷 / 48期
关键词：
Alfalfa; Cocurrent special-shape; Decay; Preparation; Storage;
D O I：
10.6041/j.issn.1000-1298.2017.03.012
中图分类号：
学科分类号：
摘要：
With the aim to analyze and verify the advantages and rationality of cocurrent special-shaped alfalfa, the preparation and storage experiments were designed and the relative theories were analyzed. Through the preparation experiment of concurrent special-shaped alfalfa, the effects of three factors, such as the height of the flight, the number of flight and the rotation speed of the drum, on the density and yield of the cocurrent special-shaped alfalfa were analyzed. Through the analysis of heat and mass transfer process of cocurrent special-shaped alfalfa storage, a heat and mass transfer model of cocurrent special-shaped alfalfa storage was established. In contrast with the heat and mass storage transfer model of grass normal storage, it can be proved that the heat and mass transfer of cocurrent special-shaped storage was faster, the cocurrent special-shaped alfalfa storage had practically and significantly improved the quality of the grass during natural ventilation. Through the storage experiment of alfalfa, the temperature changes, moisture changes and the ratio of decay were analyzed. Results showed that the alfalfa's plant activity was improved after the cocurrent special-shaped preparation to storage. Although in the short-term, the temperature within the alfalfa heat was increased seriously. After a period of time, the temperature of cocurrent special-shaped alfalfa storage was decreased. The alfalfa decay weight of the cocurrent special-shaped storage was reduced by 23.7%~76% compared with the scattered storage. © 2017, Chinese Society of Agricultural Machinery. All right reserved.
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页码：99 / 105
页数：6
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