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Keywords: costing
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 031801.
Published Online: December 30, 2011
... as the associated costs and environmental impacts are split into avoidable/unavoidable and endogenous/exogenous parts. Based on the avoidable exergy destruction, costs and environmental impacts potential and strategies for improvement are revealed. The objective of this paper is to demonstrate the application...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2010, 132(10): 102906.
Published Online: July 2, 2010
... unit electricity cost significantly higher than large reactors (LRs). However, the economy of scale applies only if SMR designs are similar to that of LRs, but this is not the case since the small size allows for original design solutions not accessible to large sized reactors. The literature already...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. February 2010, 132(2): 022302.
Published Online: November 5, 2009
..., while HR-120 is significantly more oxidation resistant in the microturbine environment, it is also a much more expensive alloy. In the interest of cost reduction, other candidate primary surface recuperator alloys are being investigated as possible alternatives to type 347 stainless steel. An initial...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2008, 130(2): 023005.
Published Online: February 21, 2008
...Joel Martinez-Frias; Salvador M. Aceves; J. Ray Smith; Harry Brandt This paper presents the thermodynamic and cost analysis of a coal-based zero-atmospheric emissions electric power plant. The approach involves an oxygen-blown coal gasification unit. The resulting synthetic gas (syngas...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2006, 128(3): 535–542.
Published Online: June 13, 2006
...-conventional energy systems, enabling the complex trade-offs between system performance and installed costs to be determined for different operational duties and market scenarios. Furthermore, the code is capable of determining the potential benefits of innovative cycles or layout modifications to existing...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2005, 127(1): 65–72.
Published Online: February 9, 2005
.... Regions of “optimum” parameters for the power plant based on design-point power, hot-water demand, and efficiency are shown. A method for fuel-cost allocation between electricity and hot water is recommended. Contributed by the International Gas Turbine Institute and presented at the 42nd International...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2004, 126(2): 351–357.
Published Online: June 7, 2004
... cooling by ice storage on the unit sizing and cost of a gas turbine cogeneration plant. An optimal unit sizing method based on the mixed-integer linear programming is used to rationally determine equipment capacities and operational strategies of the plant. A numerical study is conducted, in which the gas...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 252–256.
Published Online: December 27, 2002
...D. Groneck; D. Harmon Traditional airframe primary structure is fabricated from wrought product forms that are transformed by machining, forming, and joining into structural components. These individual parts are assembled together by fasteners to create the airframe. Significant cost and cycle...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 67–74.
Published Online: December 27, 2002
... for IRSOFC cost evaluation based on cell geometry and performance has been proposed and employed to evaluate the electricity generation cost of the proposed combined systems. The results are presented and the influence of several parameters is discussed: external reformer operating conditions, fuel-to-air...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 51–58.
Published Online: December 27, 2002
... efficiency by the hybrid cycle approach was important, the focus of the design study was to select the solid oxide fuel cell (SOFC) generator capacity such that the low specific cost of the ATS gas turbine and the high efficiency of the more expensive pressurized solid oxide fuel cell (PSOFC) generator would...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 310–315.
Published Online: December 27, 2002
... strength and corrosion resistance up to 750°C or above, and yet remain as low cost as possible. The effects of processing and microstructure on creep-rupture resistance at 750°C and 100 MPa were determined for a range of austenitic stainless alloys made into 0.1-mm foils. Two groups of alloys were...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2003, 125(1): 59–66.
Published Online: December 27, 2002
... combustor of the gas turbine of the SOFC-HAT hybrid. The resulting dual SOFC-HAT hybrid has a thermal efficiency of 75.98 percent. The single SOFC-HAT hybrid gives the lowest cost of electricity (3.54¢/kW-hr) while the dual SOFC-HAT hybrid has the highest cost of electricity (4.02¢/kW-hr) among the three...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2002, 124(4): 867–873.
Published Online: September 24, 2002
... power station among our electric power companies in Japan. Thus, gas turbine hot gas parts are working under extreme conditions which will strongly affect their lifetime as well as maintenance costs for repaired and replaced parts. To reduce the latter is of major importance to enhance cost...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2002, 124(3): 550–560.
Published Online: June 19, 2002
...E. Utriainen; B. Sunde´n To achieve high thermal efficiencies, 30 percent and higher, for small gas turbines a recuperator is mandatory. As the recuperator represents 25–30 percent of the overall machine cost, efforts are now being focused on establishing new low-cost recuperator concepts for gas...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. April 2000, 122(2): 202–205.
Published Online: January 3, 2000
... demands, CMC systems must have a simple robust process in order to be economically viable. Specific targets were identified at the onset of development: 1 tensile strength of 140 MPa at 1000°C with 1100°C excursions 2 mechanical property stability with temperature 3 low cost manufacturing...