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Official Course
Description: MCCCD Approval: 11-25-08 |
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FAC101 2009
Spring - 9999 |
LEC |
2 Credit(s) |
2 Period(s) |
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Refrigeration Components and Applications I |
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Major components of refrigeration systems. Properties of refrigerants and piping practices. Principles of pressure, work, energy, power, matter, internal energy, heat, temperature and the ideal gas processes. Saturated and superheated vapors. Pressure-enthalpy chart and its component parts, vapor compression system, cycle analysis of a single saturated cycle. Prerequisites: None. Corequisites: FAC/HVA101LL or permission of instructor. |
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Cross-References: HVA101 |
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Go to Competencies Go to Outline
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MCCCD Official Course Competencies: |
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FAC101 2009 Spring - 9999 |
Refrigeration
Components and Applications I |
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1. |
Identify each component of the refrigeration system and its related function. (I) |
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2. |
Determine specific properties of refrigerants based on the pressure temperature chart (p-t). (II) |
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3. |
Apply knowledge of terms and equations related to mass, density, flow, acceleration, and gravity. (III) |
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4. |
Explain the concept of
pressure including its units of measurement and methods for measuring it.
(IV) |
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5. |
Compare and contrast specific types of evaporators. (V) |
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6. |
Perform calculations to
include work and power, temperature, and changes in heat and gases. (V, VI,
VII, VIII) |
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7. |
Describe matter including
its specific states and molecular make-up. (IX) |
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8. |
Differentiate between
temperature and heat. (X) |
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9. |
Describe specific terms
related to heat, methods of heat transfer, and the direction and ratio of
heat transfer. (XI) |
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10. |
Interpret
pressure-temperature tables. (XII) |
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11. |
Describe the refrigeration
process, component parts, and function. (XIII) |
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12. |
Plot a simple saturated
refrigeration cycle on the p-h chart. (XIV) |
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13. |
Compare and contrast specific methods of defrost. (XV) |
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Go to Description Go to top of Competencies
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MCCCD Official Course Outline: |
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FAC101 2009 Spring - 9999 |
Refrigeration
Components and Applications I |
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I. Refrigeration
Components A. Compressor B. Evaporator C. Condenser D. Metering
Device II. Refrigerants
Tables and Properties A. Definition B. Saturated
pressure - temperature tables C. Properties 1. non-toxic 2. non-flammable 3. non-explosive 4. mixes
well with oil 5. high
latent heat content 6. easy
to detect D. Safety III. Specific
Terms and Equations A. Terms 1. Mass
and density 2. Specific
gravity 3. Mass
and volume flow ratio 4. Velocity
and speed 5. Acceleration 6. Acceleration
of gravity B. Equations 1. Mass
and density 2. Specific
gravity 3. Mass
and volume flow ratio 4. Velocity
and speed 5. Acceleration 6. Acceleration
of gravity IV. Pressure
- Its Units and Methods of Measuring A. Pressure B. Units
pounds/area C. Methods
of measuring 1. Atmospheric 2. Barometers 3. Pressure
gauges 4. Manometers 5. Bourdon
gauges 6. Absolute
pressure V. Work,
Power and Equations A. Work B. Power C. Equations 1. Work 2. Power VI. Temperature
Measurements and Calculations A. Temperature
measuring B. Scales 1. Celsius 2. Fahrenheit 3. Kelvin 4. Rankine C. Calculate
scale changes 1. Celsius
c=f-32/1.8 2. Fahrenheit
f=(1.8) (c)+32 3. Kelvin
C=273 4. Rankine F+460 VII. Calculate
Heat Changes A. Q=MC
(T2-T1) sensible-temperature change B. Q=(M)
(hif) latent-fusion C. Q=(M)
(hfg) latent-vaporization D. Mechanical
energy Q=w/j VIII. General
Gas Laws A. Laws 1. General B. Calculate
changes in gases IX. Matter
and Molecular Make-up A. Matter B. States
of matter 1. Solid 2. Liquid 3. Vapor
(gaseous) X. Temperature
and Heat A. Temperature
characteristics B. Heat
characteristics C. Differences XI. Direction
and Tate of Heat Transfer, Methods of Heat Transfer and Associated Terms A. Terms 1. British
thermal unit 2. Specific
heat 3. Sensible
heat 4. Latent
heat 5. Super
heat B. Heat
transfer 1. Rate 2. Direction 3. Methods C. Other XII. Pressure-Temperature
Tables A. Pressure 1. Gauge 2. Absolute B. Temperature
relationship C. Table
components 1. Temperature 2. Pressure 3. Volume 4. Density 5. Enthalpy 6. Entropy XIII. Refrigeration
Process A. Process B. Components C. Function XIV. Saturated
Refrigeration Cycle A. Simple
refrigeration cycle B. Plotting
cycle C. p-h
diagram VX. Defrost
Methods A. Time
and temperature (off cycle) B. Electric C. Hot
gas (reverse cycle) D. Cool
gas E. Brine F. Heat
bank G. Re-evaporate H. Multiple
evaporators |