This course is
designed to study the methods of induction (electromagnetic) geoelectric
exploration by variable and instantaneous electric current and their
applications in different fields. It
provides a general introduction to geoelectrical inductance and conductivity,
the electrical properties of metals and rocks, inductive voltage and types and
the method of calculation.
Intended learning outcomes
By studying the
course, the student will be able to:
Apply inductive electrical methods and
their applications in various fields
Recognizes the practical and practical
aspects of the application of the various electro-electromagnetic and
induction methods.
He is able to make optimal use of these
methods in the geophysical and geological fields
Use laboratory and field equipment
optimally
He can take readings accurately and correct
errors in the moment
Links between
theoretical electromagnetic relations and field results
Teaching and learning methods
1. Lectures
2. Solving various
problems and exercises
3. A field trip to
train equipment
4. Training in
computer programs
Methods of assessments
1. The first half-exam
is 25% written
2. Second
half-examination is 25% written
3. 50% final written
exam
4. Success rate of 50%
and above
5. The total decision
estimate is 100%
Course Contents:
General introduction to geoelectrical inductance, conductivity, general division of electrical and electromagnetic methods, electromagnetic waves and their types. Different sources generate electric and magnetic fields.
The electrical properties of minerals and rocks, the different influencing physical coefficients and the different factors affecting the measurements.
Self-voltage and its different types, surface electric potential and its use.
Well voltage and potential difference calculation, types of well voltage and its use
Well and surface field instruments and field measurements, interpretation of field data.
Inductive voltage and its types, theory of its origin and uses - frequency inductive voltage and temporal inductive voltage.
Devices, measurement methods and calculations for the results of time and frequency methods and interpretation of the data
Maxwell's equations for electro-inductive methods, classification of electromagnetic methods by measured field coefficient
General equation of electromagnetic wave, electromagnetic induction, ellipse, conduction of electromagnetic fields and penetration depth.
The real and imaginary components of the electromagnetic fields, the phase relationship between the primary field and the secondary field, the response value and the conductor coefficient of polarization
The boundaries between the layers and the measured quantities for the frequency and temporal methods
Methods for measuring the inclined angle, the slow frequency domain method, sine, and the audio frequency
Methods for measuring phase and capacitance.
Ground radar method and instantaneous current method.
