Solar R134A ORC organic rankine cycle

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Solar R134A ORC organic rankine cycle ( solar-r134a-orc-organic-rankine-cycle )

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The experiment procedure to running the ORC system as follows; a. The temperature controller on the evaporator and condenser is turned on and the temperature limit is set, b. The air conditioning (AC) system is turned on to cool the water in the condenser, c. The solar collector system water pump is turned on so that it flows in the system and heat the water in the evaporator, d. R134a working fluid is introduced into the ORC system to a pressure of 5 bar, e. After the heating water and cooling water reach the desired temperature, the OMEGA USB TC-08 was connect to the computer until the connected indicator light turns on. The thermocouple sensor on the OMEGA TC-08 at each point is set to read the temperature correctly. f. During the test, the pressure reads on the pressure gauge at each test point and the fluid flowing to the flowmeter is recorded, g. After testing is complete, the electric motor, AC system and temperature controller was turn off. In the figure 3 it was consists of three cycles, namely the Organic Rankine Cycle which is shown by a green line, the refrigeration cycle is indicated by a blue line and the Solar Collector cycle is indicated by a red line. V. PARAMETERDESIGN In design of heat exchangers (evaporators, condensers and solar collector) using equations derived from Yunus Cengel [12] as below: To determine value of Qh and Qc on the evaporator and condenser Advances in Engineering Research, volume 190 Heater Figure 3. Schematic of ORC System with Solar Collector To calculate ∆Tlm To found Surface Area (As) we use Then To calculate long Tube (L) temporarily (2) (3) (4) (5) (6) In the ORC cycle, each stage is given a pressure gauge (0–50 bar) and Thermocouple type K which is useful to For the value of thermal conductivity, Prandtl number, determine the pressure and temperature of the working fluid and dynamic viscosity using the same method as the above when the system is operated, except for the solar collector equation, the value is obtained using REFROP version 8.0 that only Thermocouple provides, which can be used as data and the interpolation method, for later analysis and to measure the mass flow rate of the working fluid is given a flowmeter. (8) To determine the value of for refrigerant R-134a. Because during the evaporation process, flowing fluid changes phase so that it is not fully fluid in liquid or vapor conditions, the values are searched for mixed conditions/ conditions, namely by: (7) To calculate the value of we used 40

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