coefficient of performance (COP)
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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Calculation of Coefficient of Performance for Refrigerant 404A
... The coefficient of performance or COP of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work ...
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Effect of Geometrical Parameters on the Coefficient of Performance of the Ranque Hilsch Vortex Tube
... The performance of the VT was determined by Kandil and Abdelghany [34] in terms of total temperature ...the performance of the RHVT, not only the hot temperature rise or the cold temperature drop should ...
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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 ...
6
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 ...
8
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 ...
8
Testing of Environment Friendly Refrigerant R290 for Water Cooler Application (RESEARCH NOTE)
... kW. Coefficient of performance (COP) of R290 system is observed to be 18 % higher than that of the R22 ...the performance of a split type air conditioner using refrigerants R22 and ...energy ...
7
1. Energy performance assessment of r134a/lpg blend as replacement of r134a in vapor compression refrigeration system
... the performance of domestic refrigerator working with Liquefied petroleum gas with different charges and capillary lengths in order to replace ...the performance of Liquefied petroleum gas (LPG) as a ...
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Optimization of Stirling Heat Pump by using Genetic Algorithm
... COP coefficient of performance H heat source P power(kW) L heat sink p pressure(kPa) R regenerator Q heat(kJ) s isentropic/ideal R H heating load(kW) p at constant pressure ...
7
Optimization by Thermodynamics in Time Finished of a Cold Store with Mechanical Compression of the Vapors
... the coefficient of performance ...the coefficient of performance of the irreversible cycle of Carnot of the in- stallation whose irreversibilities caused by differences in temperature have the ...
14
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 ...
7
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, ...
7
The Effect Of Islamic Leadership, Competence And Compensation On Work Dicipline And Teacher Performance Of Madrasah Aliyah In Makassar City
... every individual and group that guarantees compliance with orders and takes the initiative to take an action if there is no order". Then Dervish and Sibambela (2012), states that discipline is the application of ...
7
Missing Data Imputations for Upper Air Temperature at 24 Standard Pressure Levels over Pakistan Collected from Aqua Satellite
... The value of 0.971 to 0.93 through IDW interpolation indicating that it was not a good imputation method (see Table 1). In bilinear, its value 0.99 indicating a perfect fit to air temperature overall pressure levels ...
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Thermodynamic Assessment and Multi-Objective Optimization of Performance of Irreversible Dual-Miller Cycle
... "Multi-objective performance optimization of irreversible molten carbonate fuel cell–Braysson heat engine and thermodynamic analysis with ecological objective ...
30
A Performance Evaluation of SMCA Using Similarity Association & Proximity Coefficient Relation For Hierarchical Clustering
... incomparable performance that depends on the concrete problem instance to be ...improve performance slightly, at the cost of increased training time, while merging cluster splits based on cross-validation ...
6
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 ...
8
Analysis breakwater type cube of the transmission coefficient (KT), reflection coefficient (KR), and dissipation coefficient (KD)
... breakwater type cube, and the influence wide the top breakwater (B) then carried out experiments at Hydraulic Laboratory, Faculty of Engineering, Tadulako University. Scale models used were 1: 30 with five variations ...
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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
... the performance of the resulting ...the performance of the two HMM-based models with 20 states structure that are developed base on the previous HMM-based exon controller model, are ...the ...
6
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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