Analysis of the Behaviour of Biofuel-Fired Gas Turbine Power Plants

The utilisation of biofuels in gas turbines is a promising alternative to fossil fuels for power generation. It would lead to significant reduction of CO2 emissions using an existing combustion technology, although significant changes seem to be needed and further technological development is necessary. The goal of this work is to perform energy and exergy analyses of the behaviour of gas turbines fired with biogas, ethanol and synthesis gas (bio-syngas), compared with natural gas. The global energy transformation process (i.e. from biomass to electricity) has also been studied. Furthermore, the potential reduction of CO2 emissions attained by the use of biofuels has been determined, considering the restrictions regarding biomass availability. Two different simulation tools have been used to accomplish the aims of this work. The results suggest a high interest and the technical viability of the use of Biomass Integrated Gasification Combined Cycle (BIGCC) systems for large scale power generation.

Permanent deformation estimates of dynamic equipment foundations: Application to a gas turbine in granular soils

Permanent displacements of a gas turbine founded on a fine, poorly graded, and medium density sand are studied. The amplitudes and modes of vibration are computed using Barkan´s formulation, and the “High-Cycle Accumulation” (HCA) model is employed to account for accumulated deformations due to the high number of cycles. The methodology is simple: it can be easily incorporated into standard mathematical software, and HCA model parameters can be estimated based on granulometry and index properties. Special attention is devoted to ‘transient’ situations at equipment´s start-up, during which a range of frequencies – including frequencies that could be similar to the natural frequencies of the ground – is traversed. Results show that such transient situations could be more restrictive than stationary situations corresponding to normal operation. Therefore, checking the stationary situation only might not be enough, and studying the influence of transient situations on computed permanent displacements is needed to produce a proper foundation design

Improved damage detectability in a wind turbine blade by optimal selection of vibration signal correlation coefficients

Piotr Omenzetter and Simon Hoell’s work within the Lloyd’s Register Foundation Centre for Safety and Reliability Engineering at the University of Aberdeen is supported by Lloyd’s Register Foundation. The Foundation helps to protect life and property by supporting engineering-related education, public engagement and the application of research.

The Aerothermodynamics of aircraft gas turbine engines /

Photocopy. [Springfield, Va. : National Technical Information Service, 1978]. -- 2 v.

Endurance tests of rolling contact bearings of conventional and high temperature steels under conditions simulating aircraft gas turbine applications

"Propulsion Laboratory, Contract no. AF 33(600)-22860, Task 3066-30233."

Unit, intermediate (field) (direct and general support) and depot maintenance repair parts and special tools list : generator set, aviation, gas turbine engine driven, integral trailer mounted, 10KW, 28 volts : DoD model MEP 362A, class precise, mode DC, NSN 6115-01-161-3992.

Includes index.

Operator's and unit maintenance manual : gas turbine engine driven aviation generator set, NSN 6115-01-161-3992.

Includes index.

Organizational maintenance repair parts and special tools list : power unit, utility pack, gas turbine engine driven (Airesearch model PPU85-5), non-winterized, FSN 6115-937-0929, (Airesearch model PPU85-4), winterized, FSN 6115-134-0825.

"April 1969."

Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine,

Mode of access: Internet.

Operator/crew and organizational maintenance manual : generator set, gas turbine engine driven, skid mounted, 150 KW, alternating current, tactical, model D424A, class precise, hertz 400, NSN 6115-01-113-1093.

"8 October 1982."

Operator's and unit maintenance manual : gas turbine engine driven aviation generator set, NSN 6115-01-161-3992.

"19 November 1987."

Intermediate (direct and general support) maintenance manual : generator set, gas turbine engine driven, skid mounted, 150 kw, alternating current, tactical model D424A (6115-01-113-1093).

"18 October 1982."

Operator and organizational maintenance manual : generator set, gas turbine engine : 45 KW, AC, 120/208, 240/416V, 3 phase, 4 wire : skid mounted, winterized, (Airesearch model GTGE 70-6-1), FSN 6115-075-1639.

"24 November 1971."

Direct support and general support maintenance manual : generator set, gas turbine engine, 45 KW, AC, 120/208, 240/416 V, 3 phase, 4 wire, skid mounted, winterized (Airesearch model GTGE 70-6-1), FSN 6115-075-1639.

Includes index.

Direct and general support and depot maintenance repair parts and special tools lists : generator set, gas turbine engine, 60KW, AC, 120/208 240/416V, 3 phase, 4 wire, skid mounted; winterized (Airesearch model GTGE 70-9-2), FSN 6115-758-5492.

"February 1971."