Coefficient of performance (CP)
Illustrating the relationship between the coefficient of performance and the coefficient of system performance by means of an R404 supermarket refrigeration system
... A common way of referring to the efficiency of a cooling ap- plication is to quote its coefficient of performance (COP). It may be described as the textbook method of calculating the effi- ciency figure for ...
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EFFECT OF MASS OF PISTON AND STIFFNESS OF SPRING ON REFRIGERATION AND COEFFICIENT OF PERFORMANCE OF STIRLING CRYOCOOLER
... Carnot coefficient of performance. Despite this high ideal performance, actual refrigerators, which approximate the Stirling cycle, must be carefully designed to obtain satisfactory ...
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Determination of Coefficient of Performance of Stirling Refrigeration sm
... In recent studies, there have been different types of cooling system which have been used widely in different industries. Stirling motors are characteristically cleaner contrasted with diesel motors and calm because of ...
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HEATING CAPACITY AND COEFFICIENT OF PERFORMANCE ANALYSIS OF THE EATHE
... the performance of EATHE evaluated and this system is coupled with solar heating duct to absorb more solar radiations during the winter season of Ajmer, Rajasthan, ...the coefficient of performance ...
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Effect of Geometrical Parameters on the Coefficient of Performance of the Ranque Hilsch Vortex Tube
... of performance of the tube were ...the coefficient of performance (COP) of the tube is highly affected by the tube length to diameter ratio ( L D ), and this effect varies when operating at dif- ...
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Calculation of Coefficient of Performance for Refrigerant 404A
... of coefficient of performance of air- conditioning system evaporatively cooled air condenser is used instead of air cooled ...better performance than air cooled ...
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Optimization of Stirling Heat Pump by using Genetic Algorithm
... invariable performance analysis of irreversible Stirling heat pump cycle that includes internal as well as external ...and coefficient of performance have been evaluated using finite time ...
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Testing of Environment Friendly Refrigerant R290 for Water Cooler Application (RESEARCH NOTE)
... temperature, performance parameters such as cooling capacity, compressor energy consumption, coefficient of performance of the system and discharge gas temperatures are measured for different ...
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1. Energy performance assessment of r134a/lpg blend as replacement of r134a in vapor compression refrigeration system
... theoretical performance results, such that system yield highest coefficient of performance over wide range operating ...other performance parameters like the mass flow rate, the compressor ...
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Simulation and Analysis of Small-Scale Solar Adsorption Cooling System for Cold Climate
... the performance characteristics of an adsorption cooling system supplied by solar energy is ...energy, coefficient of performance, seasonal performance factor were ...fraction, ...
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Optimization by Thermodynamics in Time Finished of a Cold Store with Mechanical Compression of the Vapors
... tor, the transfer of heat supposes the existence of a finished difference ∆ T in tempera- ture, the cycle of Carnot is irreversible external and the time of contact of the fluid with the sources of heat of surface A ...
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Theoretical study of the performances of an absorption refrigerating machine in sub sahelian climatic conditions
... the coefficient of performance (COP) as a function of the temperature of the heat generator Tg is presented in Figure ...The coefficient of performance increases with the temperature ...
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Analysis breakwater type cube of the transmission coefficient (KT), reflection coefficient (KR), and dissipation coefficient (KD)
... Breakwater is a structure made parallel to the shore line and placed at certain distance from the coastline. The structure has function to protect the coast from the attack waves. The division of the energy waves ...
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The performance of the refrigerants R-134a, R-290, R404a, R-407c and R-410a in air conditioners and refrigerators
... The cooling coefficients o f performance (COP) are given in Figure 4. The heating COPs are not given, as they would theoretically be equal to the cooling COPs plus one. It was found from the measurements that for ...
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PREDICTION OF PERFORMANCE AND EMISSIONS OFCI ENGINE FUELLED WITH SUNFLOWER OIL AND ITS BLENDS WITH DIESEL USING ARTIFICIAL NEURAL NETWORK
... predict performance and emissions with BPNN algorithm and good correlation coefficient was ...various performance and emission parameters like torque, bsfc, brake thermal efficiency and reported that ...
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The Influence of Variations in State Composition and Transition Matrix on the Performance of the HMM- based Model exon DNA Controller
... [3] Agoes, S., Pakpahan, A., Solihah, B., “Performance of Hidden Markov Model Structure on Deoxyribo Nucleic Acid Coding Sequence of Plasmodium falciparum”, Asian Transactions on Science & Technology (ATST)”, ...
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Thermodynamic Assessment and Multi-Objective Optimization of Performance of Irreversible Dual-Miller Cycle
... In this study, investigated the performance of Irreversible Dual-Miller Cycle. Also, the presented effect of critical parameters on the performance of Dual-miller cycle. Key parameters that presented ...
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Missing Data Imputations for Upper Air Temperature at 24 Standard Pressure Levels over Pakistan Collected from Aqua Satellite
... imputations. Performance indicators for these techniques were the root mean square error (RMSE), absolute mean error (AME), correlation coefficient and coefficient of determination ( ...
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An approach for correcting inhomogeneous atmospheric effects in remote sensing images
... The classification accuracies of Landsat TM data treated with these approaches were assessed with image data acquired from both study areas. The land use categories or classes obtained from the present land use map were ...
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The friction coefficient of soft contact lens surfaces in relation to comfort and performance
... Fluid friction is a function of fluid viscosity and as long as fluid is provided, the friction measured is the friction of the fluid and not of the lens. The graph in Figure 4.2 shows a Stribeck curve at all three ...
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