STUDYING THE AMOUNT AND HOW TO INCREASE THE EFFICIENCY OF THE PEM FUEL CELL SYSTEM ASA RESULT OF EMPLOYING EJECTOR IN FUEL SUPPLY CIRCUIT

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DADVAR MOHSEN; AFSHARI EBRAHIM; KHADEMOLHOSSEINI ALIREZA

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Journal: Modares Mechanical Engineering Year:2015 | Volume:14 | Issue:13 Page(s): 59-66

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Information Journal Paper

Title

STUDYING THE AMOUNT AND HOW TO INCREASE THE EFFICIENCY OF THE PEM FUEL CELL SYSTEM ASA RESULT OF EMPLOYING EJECTOR IN FUEL SUPPLY CIRCUIT

Author(s)

DADVAR MOHSEN | AFSHARI EBRAHIM | KHADEMOLHOSSEINI ALIREZA | Issue Writer Certificate

Keywords

PEM FUEL CELLQ2

EJECTORQ2

SYSTEM EFFICIENCYQ2

FUEL RETURN LINEQ2

SEMI-ANALYTICAL MODELQ2

Abstract

In this paper, the efficiency of PEM FUEL CELL system by using EJECTOR for returning the additional fuel in the fuel supply circuit and comparison with conventional systems with compressor in fuel supply circuit, are studied. For this purpose a semi-analytical developed model for calculating the amount of efficiency increment, as well as the amount of power saving as a result of employing EJECTOR in the fuel cell return line is provided by extending the previous models. In this developed model the important stack design parameters and EJECTOR design parameters are correlated by presenting a new dimensionless parameter. The results for a typical fuel cell show that the amount of efficiency increment at different values of current density is different and there is a maximum point for it. The amount of power saving as a result of employing EJECTOR compared with fuel cell power is considerable and will increase with increasing the current density. These results indicate that the EJECTOR for those applications that require high power (for instance the transport applications) is more efficient.

Cites

A NUMERICAL COMPARISON BETWEEN EJECTOR PERFORMANCE WITH CONVERGENCE AND CONVERGENCE-DIVERGENCE PRIMARY NOZZLE

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APA: Copy

DADVAR, MOHSEN, AFSHARI, EBRAHIM, & KHADEMOLHOSSEINI, ALIREZA. (2015). STUDYING THE AMOUNT AND HOW TO INCREASE THE EFFICIENCY OF THE PEM FUEL CELL SYSTEM ASA RESULT OF EMPLOYING EJECTOR IN FUEL SUPPLY CIRCUIT. MODARES MECHANICAL ENGINEERING, 14(13), 59-66. SID. https://sid.ir/paper/179700/en

Vancouver: Copy

DADVAR MOHSEN, AFSHARI EBRAHIM, KHADEMOLHOSSEINI ALIREZA. STUDYING THE AMOUNT AND HOW TO INCREASE THE EFFICIENCY OF THE PEM FUEL CELL SYSTEM ASA RESULT OF EMPLOYING EJECTOR IN FUEL SUPPLY CIRCUIT. MODARES MECHANICAL ENGINEERING[Internet]. 2015;14(13):59-66. Available from: https://sid.ir/paper/179700/en

IEEE: Copy

MOHSEN DADVAR, EBRAHIM AFSHARI, and ALIREZA KHADEMOLHOSSEINI, “STUDYING THE AMOUNT AND HOW TO INCREASE THE EFFICIENCY OF THE PEM FUEL CELL SYSTEM ASA RESULT OF EMPLOYING EJECTOR IN FUEL SUPPLY CIRCUIT,” MODARES MECHANICAL ENGINEERING, vol. 14, no. 13, pp. 59–66, 2015, [Online]. Available: https://sid.ir/paper/179700/en

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