Open cycle gas turbine pdf

Also, the unit product cost of the gas turbine decreases with increase in the turbine inlet temperature. This happens because an increase in the turbine inlet temperature results in the gas turbine operating at higher exergetic efficiency, thereby leading to reduction in unit product costs.

This has been illustrated in Fig. Compressor pressure ratio Fig. Turbine inlet temperature Fig. Hence to arrive at the optimal value of inlet steam temperature, we combine the results of Fig. These results are shown in Fig. Combined effect of compressor pressure ratio on unit product cost of compressor and combustion chamber From Fig. If further reduction in unit product cost of the combustion chamber is to be achieved more money would have to be spent on employing higher compressor pressure ratios.

Hence, the overall unit product cost of the power generation system would increase. The following relations have been derived from the current study, which put forward the unit product cost of compressor and unit product cost of the combustion chamber as a function of compressor pressure ratio r. Hence to arrive at the optimal value of turbine inlet temperature, we combine the results of Fig.

Combined effect of turbine inlet temperature on unit product cost of combustion chamber and gas turbine From Fig. If further reduction in unit product cost of the gas turbine is to be achieved more money would have to be spent on higher turbine inlet temperatures.

The following relations have been derived from the current study, which put forward the unit product cost of combustion chamber and unit product cost of gas turbine as a function of turbine inlet temperature TIT.

Compressor pressure ratio and turbine inlet temperature have major impact on the performance of open cycle gas turbine power plant. Variation in unit exergetic cost of gas turbine system, compressor and combustion chamber have been analyzed.

This provides a basis for arriving at the optimal value of compressor pressure ratio and turbine inlet temperature. Further exponential relations have been developed which prove very useful in calculating the values of the costs for the gas turbine system. This study provides an excellent basis for analyzing the performance of an open cycle gas turbine power plant.

The current study forms the basis for future endeavors which may analyze the open cycle gas turbine system in greater detail. More factors can be considered in future analysis for better understanding of the open cycle gas turbine power plant.

International Journal of Energy Research, Vol. Energy, International Journal of Refrigeration, 26, Gupta A. International Journal of Refrigeration, 28, Journal of Engineering for Gas Turbines and Power, , Exergy International Journal, 2, Knuckle Joint A knuckle joint is used to connect two rods which are under the action of tensile loads.

However, if the joint is guided, the rods may support a compressive load. A knuckle joint Skip to content Home - Blog - Power Engineering. Table of Contents. Plz write details on close cycle GT. In this article, we will study all the different Skip to content The main differences between the Closed cycle Gas turbines and Open cycle gas Turbines are, The working fluid can be used continuously in closed-cycle gas turbines and In the open cycle, the working fluid once used can not be used again and again.

Difference between the Closed cycle and Open cycle Gas Turbine. Continue Reading. Here the thermal efficiency is more. Attempt Online. Start Now. Explanation: An open cycle or closed-cycle gas turbine is a turbine that uses a gas e. The Joule cycle consists of four internally reversible processes: Isentropic compression in a compressor Constant-pressure heat addition Isentropic expansion in a turbine Constant-pressure heat rejection Otto cycle: It is the standard air cycle used in the spark ignition SI engines or petrol engines.

The Carnot cycle can be thought of as the most efficient heat engine cycle. Get Started for Free Download App. More Brayton Cycle Questions Q1. This cycle is not consists of the reversible processes:. Consider a gas turbine supplied with gas at K and 5 bar to expand adiabatically to a 1 bar. The mean specific heat at constant pressure is 1.

The thermal efficiency of a simple open gas turbine plant is improved by regeneration as this.