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Filename: controllers/Products.php
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File: /home2/psawcmdw/public_html/application/controllers/Products.php
Line: 203
Function: _error_handler
File: /home2/psawcmdw/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: Trying to access array offset on value of type null
Filename: controllers/Products.php
Line Number: 204
Backtrace:
File: /home2/psawcmdw/public_html/application/controllers/Products.php
Line: 204
Function: _error_handler
File: /home2/psawcmdw/public_html/index.php
Line: 315
Function: require_once
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Message: Trying to access array offset on value of type null
Filename: views/product_detail_view.php
Line Number: 30
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File: /home2/psawcmdw/public_html/application/views/product_detail_view.php
Line: 30
Function: _error_handler
File: /home2/psawcmdw/public_html/application/controllers/Products.php
Line: 210
Function: view
File: /home2/psawcmdw/public_html/index.php
Line: 315
Function: require_once
REFRIGERATION TRAINER ELECTROLUX TYPE : PSAW-203RA
This type of
refrigeration is usually used for domestic purposes only as it is complex in
the construction and working. This type of refrigerator was developed in 1925
by Munters and Battzervan when they were studying at Royal Institute of
Technology At Stockholm for their undergraduate course. This type of
refrigerator was known as three fluid refrigeration system. The elimination of
aqua pumps from the absorption system with the complete absence of moving parts
and work input. The main purpose of removing the pump was to make the machine
noiseless. It uses refrigerant as a solvent s and an inlet gas for inlet of the
system. The inert gas is continued to the lower side of system only by its
system. It is possible to maintain the uniform pressure throughout the system
and after sometime permitting the refrigerant to evaporator at low temperature
corresponding to its partial pressure. In the high pressure side system
(generator and condenser), there exists only the refrigerant which is subjected
to total pressure of the system so that it is condensed by using normal cooling
water as air as it is done in other system.
The strong aqua ammonia solution is heated in generator by the application of external heat source. The water vapour carried with ammonia vapour is removed in separate form as shown in figure. Then the dry ammonia vapour is passed into the condenser and it is condensed by using external cooling source. The liquid ammonia flows under gravity in the evaporator and it evaporates. The mixture of hydrogen and ammonia vapour is passed into the absorber and the weak solution from aqua ammonia from the separator is allowed to follow into the absorber, through tray this weak aqua ammonia solution comes into contact with hydrogen separated. This strong solution is further passed to the generator and it completes the cycle.
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