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Experimental research of product flow in gravity loading hopper

The test object is a mine loading hopper set at an angle relative to the roadway floor and equipped with a hydraulically driven batch-operation transporting element. Aimed at correlating the quantity of material in the hopper and the hopper angle, and at checking and adjustment of theoretical relations and mathematical model, the tests were carried out on an experimental model set described in detail in the article. The experimentation included weight measurement of coarse free-flowing material in the hopper chute during gravity loading at different angles of the chute relative to the roadway floor. As a result of the measurements, a random data array (weight of material in chute) was accumulated. The data processing used the classical methods of mathematical statistics. The calculation procedure is presented in the article. The distribution law of the random values of the loaded material weight is found: it depends on the solution of two main problems in mathematical statistics—estimate of unknown sampling parameters and checking of statistical hypotheses. It is experimentally proved that the random values of the loaded material weights obey the normal distribution law. The agreement of the theoretical and experimental distributions is determined using the Pearson Criterion.

Keywords: loading hopper, gravity loading, experimental research, data array, loaded material weight, statistical processing, distribution density, correlation dependence, product flow law.
For citation:

Nosenko A. S., Shemshura E. A., Nosenko V. V., Altunina M. S., Kirsanov I. A. Experimental research of product flow in gravity loading hopper. MIAB. Mining Inf. Anal. Bull. 2024;(1):146-156. [In Russ]. DOI: 10.25018/0236_1493_2024_1_0_146.

Acknowledgements:
Issue number: 1
Year: 2024
Page number: 146-156
ISBN: 0236-1493
UDK: 622.619.7
DOI: 10.25018/0236_1493_2024_1_0_146
Article receipt date: 11.01.2023
Date of review receipt: 10.07.2023
Date of the editorial board′s decision on the article′s publishing: 10.12.2023
About authors:

A.S. Nosenko1, Dr. Sci. (Eng.), Professor, e-mail: asnosenko@mail.ru, ORCID ID: 0000-0002-9345-7709,
E.A. Shemshura1, Cand. Sci. (Eng.), Assistant Professor, e-mail: aleshkastyle@gmail.com,
V.V. Nosenko1, Cand. Sci. (Eng.), Assistant Professor, e-mail: vvnosenko@mail.ru, ORCID ID: 0000-0003-3003-8440,
M.S. Altunina1, Cand. Sci. (Eng.), Assistant Professor, e-mail: mariyaltunina@mail.ru, ORCID ID: 0000-0001-5598-2564,
I.A. Kirsanov1, Senior Lecturer, e-mail: hexomen@rambler.ru, ORCID ID: 0000-0002-6632-904X,
1 Shakhty Automobile and Road Institute (branch) of M.I. Platov South-Russian State Polytechnic University (NPI), 346500, Shakhty, Russia.

 

For contacts:

M.S. Altunina, e-mail: mariyaltunina@mail.ru.

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