542-0326/03 – Mine Air Conditioning (kldol)

Gurantor departmentDepartment of Mining Engineering and SafetyCredits5
Subject guarantordoc. Ing. Pavel Zapletal, Ph.D.Subject version guarantordoc. Ing. Pavel Zapletal, Ph.D.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year2Semesterwinter
Study languageCzech
Year of introduction2003/2004Year of cancellation
Intended for the facultiesHGFIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
ZAP015 doc. Ing. Pavel Zapletal, Ph.D.
ZUB021 Ing. Václav Zubíček, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Graded credit 2+2
Combined Graded credit 12+0

Subject aims expressed by acquired skills and competences

The aim of this subject is understanding of micro climatic conditions of deep mines and their solving. Projecting of the cooling equipment – air conditioning diagrams, calculation of needed cooling output, losses of the cooling output.

Teaching methods

Lectures
Tutorials

Summary

Basic terms. Importance of air conditioning in deeper mines. Risks connected with unsuitable microclimatic conditions. Effect on human health and performance. Methods of measuring and assessing the microclimatic conditions. Admissible limits of microclimatic quantities. Thermal and calorific balance of deep mine. Degree of climatic difficulty. Thermal fluctuations of mine air – sources of heat, cold, and humidity; calculations. Projecting of cooling equipment – air conditioning diagrams, calculation of needed cooling output, losses of the cooling output. Waste heat.

Compulsory literature:

Langley, B.: Refrigeration and Air Conditioning, Prentice-Hall, New Jersey, 1986 McPherson,M.J.: Subsurface Ventilation and Environmental Eng. Chapman&Hall, 1992

Recommended literature:

McPherson,M.J.: Subsurface Ventilation and Environmental Eng. Chapman&Hall, 1992

Way of continuous check of knowledge in the course of semester

test

E-learning

Další požadavky na studenta

semestr work in climate mining,

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

1.Introduction to the subject. The importance of conditioning the process down into large depths. Definition of basic concepts 2.Micro-climate risk: Effect of micro-climate on humans. Methods of measurement and evaluation of micro-climate. Permissible limits of temperature;conditions in our country in the world 3.Heat and thermal balance of the mine. Resources warming cooling winds. Degree of difficulty climate 4.Research of temperature fields: Temperature measurements of the original rocks. 5.Methodist of winds calculating temperature changes 6.Conditioning of mine air: Natural ways to improve mine micro-climate (Intensification of ventilation, reducing heat and humidity, Winds descending lines, etc.) 7.A mechanical mine air cooling: A survey of cooling. Possible principles and methods of cooling. Applications in mines 8.Cooling facilities with the steam circulation: Parts of refrigerating equipment. Cold, compressors, evaporators, condensers, cooling winds. Fans, pumps,pipes, fittings, refrigeration equipment 9.Cooling facilities for mines: cooling systems, cooling schemes. Mobile refrigeration, stationary air-conditioned. 10.Types of refrigeration equipment in our mines. Requirements for refrigerants 11.The elements of conditioning design in mining conditions. Determination required cooling capacity. Determination of the extent of air conditioning needed. Evaluation of refrigeration equipment 12.Safety regulations, returns to the issue of air conditioning in mines 13.Reduction of energy demands for air conditioning. Modern progressive mining technology to solve air-conditioning 14.New knowledge in the field of air conditioning, information from conferences, seminars, thematic focused on the issue of mining air conditioning

Conditions for subject completion

Combined form (validity from: 2012/2013 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Graded exercises evaluation Graded credit 100  51
Mandatory attendence parzicipation:

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