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The Coefficient of Performance

Illustrating the relationship between the coefficient of performance and the coefficient of system performance by means of an R404 supermarket refrigeration system

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

Calculation of Coefficient of Performance for Refrigerant 404A

... The coefficient of performance is calculated for refrigerant 404A for the different conditions of ideal and real ...the coefficient of performance of the given refrigerant 404A in excel sheet ...

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HEATING CAPACITY AND COEFFICIENT OF PERFORMANCE ANALYSIS OF THE EATHE

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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Determination of Coefficient of Performance of Stirling Refrigeration sm

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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Coefficient of Engine Flexibility as a Basis for the Assessment of Vehicle Tractive Performance

Coefficient of Engine Flexibility as a Basis for the Assessment of Vehicle Tractive Performance

... The problem is important because in literature there is no complex information related to modern engines or alternative fueling. The author also decided to ana- lyze the components of the coefficient of ...

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Effect of hydraulic coefficient on membrane performance for rejection of emerging contaminants

Effect of hydraulic coefficient on membrane performance for rejection of emerging contaminants

... SEM monographs of (a) Plain PSf cross section (b) 0.25% PANi-HNT/PSf cross section (c) 0.5% PANi-HNT/PSf cross section (d) 1% PANi-HNT/PSf cross section (e) EDAX analysis of the membrane[r] ...

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Optimization by Thermodynamics in Time Finished of a Cold Store with Mechanical Compression of the Vapors

Optimization by Thermodynamics in Time Finished of a Cold Store with Mechanical Compression of the Vapors

... real coefficient of performance (Equation (36)) and the minimum of the a dimensional mechanical work curve (Equation (35)); respectively Figure 4 and Figure ...the coefficient of performance ...

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Theoretical study of the performances of an absorption refrigerating machine in sub sahelian climatic conditions

Theoretical study of the performances of an absorption refrigerating machine in sub sahelian climatic conditions

... (HCFCs), or certain hydro fluorocarbons (HFCs) are involved as refrigerants due to their high global warming capacities. A promising alternative to these systems is the use of absorption refrigeration machines. Indeed, ...

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Mechanical Performance Efficiency and Wear Coefficient of PLA-HAZrO2 in Bones Replacements

Mechanical Performance Efficiency and Wear Coefficient of PLA-HAZrO2 in Bones Replacements

... Hardness is the force of each penetration or indentation unit area and it is widely used to investigate plastic deformation. The hardness test is very important to estimate the materials performance when ...

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Numerical Studies of Twisted Vaned Diffuser on the Performance of a Centrifugal Compressor Stage

Numerical Studies of Twisted Vaned Diffuser on the Performance of a Centrifugal Compressor Stage

... pressure coefficient variation inside compressor stage is presented for twisted diffuser in this section in the form of contour ...pressure coefficient is obtained by normalizing the local static pressure ...

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Numerical Investigation of flow through Annular Diffusing Duct

Numerical Investigation of flow through Annular Diffusing Duct

... the performance parameters an intense parametric study of pressure recovery/loss coefficient for different area ratio diffusers with the angle turn 30º, 40º, 50º, 60º, 70º and ...The coefficient of ...

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Testing of Environment Friendly Refrigerant R290 for Water Cooler Application (RESEARCH NOTE)

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 ...

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Effect of a Circular Cylinder in Front of Advancing Blade on the Savonius Water Turbine by Using Transient Simulation

Effect of a Circular Cylinder in Front of Advancing Blade on the Savonius Water Turbine by Using Transient Simulation

... 12. The graph of pressure distribution has shown the higher different pressure between front and back side at the ds/D=0.5. It has shown a higher performance than the other stagger angle. Observation will be ...

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The Impact of Peerwise Approach on the Academic Performance of Medical Students

The Impact of Peerwise Approach on the Academic Performance of Medical Students

... PeerWise is a novel, freely available, online pedagogical tool that allows students to create and deposit questions for peer evaluation. A participatory learning approach through this web-based system was used to ...

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Incentive mechanism for customer collaboration in product development: An exploratory study

Incentive mechanism for customer collaboration in product development: An exploratory study

... higher performance salary will contribute to the higher effort degree of the mutual help between ...the performance salary is not conducive to the cooperation among customers, and it will raise the degree ...

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Influence of flexibility on the aerodynamic performance of a hovering wing

Influence of flexibility on the aerodynamic performance of a hovering wing

... lift coefficient to total power input. The performance of the hovering wing when excited at a non-linear resonance of the structural system was also ...

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The Application of a New Formula of Nakaoka Coefficient in HF Inductive Welding

The Application of a New Formula of Nakaoka Coefficient in HF Inductive Welding

... and thus by applying cited approximation and C programming, which is not being mentioned in this paper due to its size, linear dependences good at approximation are achieved, with a small bug, coefficient Nakaoka. ...

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Factors Affecting the Performance of Employees in the Department of Tourism District Office Bulukumba

Factors Affecting the Performance of Employees in the Department of Tourism District Office Bulukumba

... The test results showed that the determination of independent variables were included in this study the compensation and kometensi strong enough to explain the performance of employees in the Office of Tourism ...

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A Modeling Study of the Micro-finance İmpact on the Economic Performance of Micro-enterprises and the Well-being of Borrowers in Morocco: Case of Tangier-Tetouan - Al Hoceima Region

A Modeling Study of the Micro-finance İmpact on the Economic Performance of Micro-enterprises and the Well-being of Borrowers in Morocco: Case of Tangier-Tetouan - Al Hoceima Region

... It should be noted that the first reflections on impact assessments date back to the mid-1990s. At this stage, ambitions are high: It is a question of proving the impact of microcredit on the performance of ...

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Jaccard's generic coefficient and coefficient of floral community, in relation to the logarithmic series and the index of diversity

Jaccard's generic coefficient and coefficient of floral community, in relation to the logarithmic series and the index of diversity

... In recent years it has been found that in both animal and plant population the frequency distribution of genera with different numbers of species is in a mathematical form which can be[r] ...

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