Posted: February 26th, 2015
Based on a split refrigeration comfort cooling system with ducted fresh air, and using the data provided, determine the air flow rate and the refrigerant gas flow rate.
Paper, Order, or Assignment Requirements
Psychometric Assignment
This assignment contain 4 sections the most important is to determine the air flow rate and the refrigerant gas flow rate. and there is a need to complete a Psychometric chart
all assignment is attached.
NOTE: should be an engineer who is familiar with this as an electrical services engineer or building services engineer
Learning Issues:
Upon completion of this assignment you will be able to:
- Demonstrate familiarity with the basic elements of air conditioning system.
- Demonstrate familiarity with the basic elements of the refrigerant cycle.
- Demonstrate familiarity with the basic elements of psychrometry of air conditioning processes.
Research and Theory:
Background information should be gathered the library, on reputable web-sites, journals and other literature.
Information contained in the assignment must be correctly referenced from its original source.
Exercises:
- Describe the operating principles of four different systems of air conditioning. State a suitable application for each. [30 marks]
- Based on a split refrigeration comfort cooling system with ducted fresh air, and using the data provided, determine the air flow rate and the refrigerant gas flow rate.
Data:
- Outside 26°C db and 40% RH
- Room 20°C db and 14°C wb
- Supply air temp 14°C
- Room sensible load 7.5 kW
- Percentage of fresh air fixed at 25% [30 marks]
All related charts must be included
- Complete the table below:
[20 marks]
- Describe the operation of the vapour compression refrigeration cycle. [20 marks]
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