MCCCD Program Description

Condensers, Towers and Pumps

Course: HVA265

First Term: 1996 Spring

Lecture 3 Credit(s) 3 Period(s) 3 Load
Subject Type: Occupational
Load Formula: S

Description: Condensers, operation, types and sizing. Pumps, fluid flow, water, and brine piping

MCCCD Official Course Competencies
1. Explain the operation of the three specific types of condensers. (I) 2. Calculate condenser load, capacity, quantity, and temperature rise of condensing medium. (II) 3. Compare and contrast natural convected to forced convected condenser locations. (III) 4. Select air cooled condensers for specific applications. (IV) 5. Compare and contrast recirculated to waste water, and water cooled condensers. (V) 6. Calculate fouling rates for water cooled condensers. (VI) 7. Describe the various configurations relative to water cooled condensers. (VII) 8. Select water cooled condensers for specific applications. (VIII) 9. Explain the operation of water cooling towers and the factors that influence their performance. (IX) 10. Evaluate water using the conductivity meter. (X) 11. Calculate the capacity of a cooling tower. (XI) 12. Select a cooling tower for a specific application. (XII) 13. Compare and contrast evaporative condensers to water cooled condensers and water cooling towers. (XIII) 14. Select an evaporative condenser for a specific application. (XIV) 15. Select a water regulation valve for a specific application. (XV) 16. Describe specific condenser control systems. (XVI) 17. Calculate fluid and head pressures. (XVII) 18. Calculate head friction for specific applications. (XVIII) 19. Explain the operation and efficiency of centrifugal pumps. (XIX) 20. Calculate power requirements for centrifugal pumps. (XX) 21. Explain the characteristics of proper water piping design. (XI)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.

MCCCD Official Course Outline
I. Condenser types A. Air cooled B. Water cooled C. Evaporative II. Condenser load and capacity A. Open drive B. Suction cooled (hermetic) C. Condenser capacity D. Medium 1. Air 2. Water E. Quantity 1. Cubic feet per minute (CFM) 2. Gallons per minute (GPM) F. Temperature rise III. Natural and forced convected condenser location A. Natural convected B. Forced convected C. Condenser location IV. Air cooled condenser applications A. Condenser temperature difference (TD) B. Sea level C. Above seal level V. Recirculated waste water and water cooled condensers A. Recirculated water B. Waste water C. Water cooled VI. Fouling rate A. Quality of water B. Condensing temperatures C. Frequency of cleaning VII. Water cooled condensers configurations A. Tube-in-tube (double tube) B. Shell-and-tube C. Shell-and-coil VIII. Water cooled condensers applications A. 102 degrees condensing B. 105 degrees condensing C. 10 degree rise D. 20 degree rise IX. Water tower operation A. Operation B. Design 1. Natural draft 2. Induced draft 3. Forced draft C. Performance 1. Exposed surface 2. Velocity of air 3. Parallel, transverse, or counter flow D. Bleed-off X. Conductivity meter A. City water B. Tower water C. Water dilution cycles XI. Cooling tower capacity A. Terms 1. Range 2. Approach 3. Wet bulb B. Capacity XII. Cooling tower applications A. Specific wet bulb B. Water flow rate C. Design range XIII. Evaporative and water cooled condensers and water cooling towers A. Evaporative condensers to water cooled condensers B. Evaporative condensers to water cooling towers XIV. Evaporative condenser applications A. Water temperature difference B. Design wet bulb temperature XV. Water regulating valve A. Operation B. Selection XVI. Condenser control system A. High pressure B. Water cooled condensers C. Air cooled condensers D. Evaporative condensers XVII. Fluid flow and heat pressure calculations A. Total pressure of a fluid B. Head-pressure relationships C. Static and velocity heads D. Calculations XVIII. Head Friction calculators A. Viscosity and specific gravity B. Velocity C. Roughness of the internal pipe D. Length of pipe XIX. Centrifugal pumps A. Operation B. Pump head calculations C. Total head calculations XX. Power requirements A. Brake horsepower (Bhp) B. Water horsepower (Whp) C. Efficiency XXI. Water piping design characteristics A. Minimum friction loss B. Minimum number of fittings C. Short as possible

MCCCD Governing Board Approval Date: 10/24/1995

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.