refrigeration cycle lab report

10 SUMMARY The vapor compression refrigeration cycle is a common method for transferring heat from a low temperature to a high temperature. The basis of refrigeration systems is a thermodynamic cycle working between two different temperature sources.

Heat Pump And Refrigeration Cycle Refrigeration And Air Conditioning Heat Pump System Heat Pump

Lab report refrigeration unit for bachelor of chemical engineering students EH220 UiTM.

. And pressure of the refrigerant along the cycle. To complete the refrigeration cycle the refrigerant vapor from the evaporator is again a saturated vapor and is routed back into the compressor. Solar Energy Lab Report The refrigerant then enters the condenser while the remaining weak solution enters back to the absorber and the cycle is repeated.

Vapor compression refrigeration system P T H and phase changes in a vapor compression refrigeration cycle 2. Coventry University Faculty of Computing and Engineering REFRIGERANT CYCLE EXPERIMENT 207 MAE SEPTEMBER Study Resources. The objective of this report is to identify and analyse the processes in each component record data such as pressure and temperature at different locations as well as studying the refrigerants phases thermodynamic states Figure 2 to construct the refrigeration cycle on a real pressure enthalpy chart provided by SOLVAY.

It is strongly suggested to set up an electrical regulator in the outlet where the refrigerator is connected because they are subjected to power failures as a whole such as for instance power cuts or power outages. Outline Goals of lab Schematic of experimental setup. Identify the four key components of the basic refrigeratorheat pump.

Each component works together to perform a series of. Thermodynamic analysis of the system The thermodynamics of the vapor compression cycle can be analyzed on a temperature versus entropy diagram as depicted in Figure 2. Some of the necessary elements of each of these sections are described below.

The working substance is R141b dichloroﬂuoroethane. In this experiment Dichlorofluoroethane R141b was used as the refrigerant. Components of a vapour compression refrigeration system Figure 2.

It follows the same simple refrigeration-type cycle used for an air conditioner or a refrigerator where a heat pump is used for ventilation but in the opposite direction releasing heat into the. In order to determine the power input and coefficient of performance of the heat pump the temperature. The process includes a cycle of refrigerant and a flow of cooling water.

When the refrigerant enters the absorber from evaporator its volume gets decreased so compression process is done by the absorber in the VAR. In the experiment the refrigeration unit used is SOLTEQ Mechanical Heap Pump. Test 1 Capillary without sub-cooling.

Goals of Lab To get acquainted with a vapor-compression refrigeration system To be able to use pressure-enthalpy diagrams and. The aim of the research is to be achieved by the determining of the systems coefficient of performance COP. On and Off Control Holding the Valves Open Hot Gas Bypass and UsingMultiple.

Compressor evaporator condenser and the expansion valve. Abstract introduction proceduremethodology resultsdiscussion and a conclusion. The device is design to give understanding to the user on how refrigeration.

In this cycle a refrigerant eg. Describe various methods of capacity control of refrigeration systems. R134a passes through various changes of state in a defined sequence and returns to its initial state.

Ideal Reversed Carnot Cycle. Lab 8 Refrigeration. The body of lab report minus the Discussion and Conclusion section will be submitted by a single member of each group.

Studies on refrigerant compressors. The second process includes the saturated steam leaving evaporator and entering the compressorin the third process the steam which is super-heated is allowed to enter into the condenser CITATION Proon l 2057. The attached ﬁgure shows schematically the refrigeration unit located in the Heat Transfer Lab E3-2108.

Vapour compression refrigeration cycle represented on a P -h diagram a Condenser Power Dissipation The refrigeration system condenser serves to reject heat from the system that has been extracted from. There are four processes which make up the refrigeration cycle CITATION Qiy14 l 2057. This experiment demonstrated the general operation of vapor compression heat pump.

The first process involves the saturated vapour of the refrigerant. A refrigerator is a machine that removes heat from a low temperature region. Test 3 Capillary with sub-cooling.

An effective lab report can be divided into 5 sections. CONCLUSION The lab helped us understand the workings of a refrigeration. The blue line indicates the Ideal reversed Carnot refrigeration cycle and the green line represents the actual cycle based on the results in the lab.

The primary purpose of carrying out the refrigeration cycle experiment is to study the vapor refrigeration cycle by analyzing the Hilton R714s system. The refrigeration cycle removes heat from the air and rejects it to the environment acting as a reverse heat engine commonly called a heat pump. The vapor compression refrigeration cycle lab report are exposed to power outages and electrical problems as a whole.

Test 2 TXV without sub-cooling. Coefficient of performance of a system is a very crucial measure in evaluating the systems. Heat pumps are based around reverse Carnot cycles which are exactly the same as Carnot cycle but the process directions and hence work and heat inputs and outputs are reversed.

Study of reciprocating compressors used in refrigeration and air conditioning applications. View Refrigeration Cycle Lab Report 9506130docx from ENTK ENG 16764 at Sheridan College. Pull down time 1635 min Cycle time 137 min On time min Off time 13 min.

The refrigeration lab was conducted to gain a better understanding of the vapor-compression refrigeration cycle and to compare the ideal cycle with a real cycle. Carefully inspect the unit schematic and the cycle diagram.

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