scholarly journals Salt Ingestion Test of the AGT 1500 Recuperated Automotive Gas Turbine

1988 ◽  
Author(s):  
Thomas M. Bodman ◽  
Thomas P. Priore
Keyword(s):  
Gas Turbine ◽  
Systems Engineering ◽  
Diesel Fuel ◽  
Marine Corps ◽  
Gas Turbine Engine ◽  
Significant Loss ◽  
Turbine Engine ◽  
Naval Ship ◽  
The U.S

A salt ingestion test was performed on the AGT 1500 recuperated automotive gas turbine engine at the Naval Ship Systems Engineering Station (NAVSSES) for the U.S. Marine Corps. The Marine Corps was concerned about the AGT 1500’s ability to tolerate their amphibious and maritime environments. The AGT 1500 was operated for two 450 hour endurance runs burning Navy diesel fuel and ingesting aerosol salt. It suffered no failures or significant loss of power as a result of the ingested salt or operations with Navy diesel fuel.

Case Closed: The Completion of the United States Navy 501-K34 Gas Turbine Engine RADCON Program (2011 - 2019)

2021 ◽  
Author(s):  
Jeffrey S. Patterson ◽  
Kevin Fauvell ◽  
Dennis Russom ◽  
Willie A. Durosseau ◽  
Phyllis Petronello ◽  
...  
Keyword(s):  
United States ◽  
Gas Turbine ◽  
United States Navy ◽  
The United States ◽  
Gas Turbine Engine ◽  
United States Government ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Turbine Engine ◽  
The U.S

Abstract The United States Navy (USN) 501-K Series Radiological Controls (RADCON) Program was launched in late 2011, in response to the extensive damage caused by participation in Operation Tomodachi. The purpose of this operation was to provide humanitarian relief aid to Japan following a 9.0 magnitude earthquake that struck 231 miles northeast of Tokyo, on the afternoon of March 11, 2011. The earthquake caused a tsunami with 30 foot waves that damaged several nuclear reactors in the area. It was the fourth largest earthquake on record (since 1900) and the largest to hit Japan. On March 12, 2011, the United States Government launched Operation Tomodachi. In all, a total of 24,000 troops, 189 aircraft, 24 naval ships, supported this relief effort, at a cost in excess of $90.0 million. The U.S. Navy provided material support, personnel movement, search and rescue missions and damage surveys. During the operation, 11 gas turbine powered U.S. warships operated within the radioactive plume. As a result, numerous gas turbine engines ingested radiological contaminants and needed to be decontaminated, cleaned, repaired and returned to the Fleet. During the past eight years, the USN has been very proactive and vigilant with their RADCON efforts, and as of the end of calendar year 2019, have successfully completed the 501-K Series portion of the RADCON program. This paper will update an earlier ASME paper that was written on this subject (GT2015-42057) and will summarize the U.S. Navy’s 501-K Series RADCON effort. Included in this discussion will be a summary of the background of Operation Tomodachi, including a discussion of the affected hulls and related gas turbine equipment. In addition, a discussion of the radiological contamination caused by the disaster will be covered and the resultant effect to and the response by the Marine Gas Turbine Program. Furthermore, the authors will discuss what the USN did to remediate the RADCON situation, what means were employed to select a vendor and to set up a RADCON cleaning facility in the United States. And finally, the authors will discuss the dispensation of the 501-K Series RADCON assets that were not returned to service, which include the 501-K17 gas turbine engine, as well as the 250-KS4 gas turbine engine starter. The paper will conclude with a discussion of the results and lessons learned of the program and discuss how the USN was able to process all of their 501-K34 RADCON affected gas turbine engines and return them back to the Fleet in a timely manner.

Development and Testing of a Gas Turbine Engine Combustion Air Inlet Filtration System for the USMC Amphibious Combat Vehicle

2017 ◽  
Author(s):  
Thomai Gastopoulos ◽  
Joseph Lawton
Keyword(s):  
Gas Turbine ◽  
Marine Corps ◽  
Gas Turbine Engine ◽  
Bulk Water ◽  
Air Separation ◽  
United States Marine Corps ◽  
Turbine Engine ◽  
Air Inlet ◽  
Filtration System ◽  
Combat Vehicle

The Auxiliary Ships and New Acquisition Support Branch (Code 425) of the Naval Surface Warfare Center, Philadelphia Division conducted a study to assist the Marine Corps Systems Command in assessing the feasibility of using a gas turbine engine as a propulsion system on future United States Marine Corps Amphibious Combat Vehicles (ACV). The study was focused on developing and testing a gas turbine intake solution for the ACV that can remove saltwater from the intake airstream of a notional 3,000 horsepower ACV engine. Code 425 developed a two-part solution for the intake of the ACV. The first part of the solution is an intake shroud designed to elevate the intake to protect the engine from deck water wash. The second part of the solution is the Combustion Air Separation System (CASS), a gas turbine intake filtration system designed to remove marine contaminants that enter the intake. Code 425 tested a CASS prototype for its efficiency at removing saltwater spray and bulk water up to 10 gallons per minute. Test results showed that the CASS met each requirement and that an ACV intake system incorporating both the intake shroud and the CASS should protect the gas turbine engine from saltwater ingestion.

Integrating Systems Engineering Into the USAF Academy Capstone Gas Turbine Engine Course

2011 ◽  
Author(s):  
August J. Rolling ◽  
Aaron R. Byerley ◽  
Charles F. Wisniewski
Keyword(s):  
Engineering Design ◽  
Gas Turbine ◽  
Systems Engineering ◽  
Aircraft Engine ◽  
Gas Turbine Engine ◽  
Turbine Engine ◽  
Technical Management ◽  
Engine Design ◽  
Aeronautical Engineering ◽  
The Many

This paper is intended to serve as a template for incorporating technical management majors into a traditional engineering design course. In 2002, the Secretary of the Air Force encouraged the USAF Academy to initiate a new interdisciplinary academic major related to systems engineering. This direction was given in an effort to help meet the Air Force’s growing need for “systems” minded officers to manage the development and acquisition of its ever more complex weapons systems. The curriculum for the new systems engineering management (SEM) major is related to the “engineering of large, complex systems and the integration of the many subsystems that comprise the larger system” and differs in the level of technical content from the traditional engineering major. The program allows emphasis in specific cadet-selected engineering tracks with additional course work in human systems, operations research, and program management. Specifically, this paper documents how individual SEM majors have been integrated into aeronautical engineering design teams within a senior level capstone course to complete the preliminary design of a gas turbine engine. As the Aeronautical engineering (AE) cadets performed the detailed engine design, the SEM cadets were responsible for tracking performance, cost, schedule, and technical risk. Internal and external student assessments indicate that this integration has been successful at exposing both the AE majors and the SEM majors to the benefits of “systems thinking” by giving all the opportunity to employ SE tools in the context of a realistic aircraft engine design project.

scholarly journals Phase 1 Testing of the Redundant Internal Mechanical Start System for the Ship Service Gas Turbine Generator Sets on the U.S. Navy’s DDG-51 Class Ships

1997 ◽  
Author(s):  
Dennis M. Russom ◽  
William E. Masincup ◽  
John Eghtessad
Keyword(s):  
Gas Turbine ◽  
Systems Engineering ◽  
Phase 1 ◽  
Extended Period ◽  
Turbine Generator ◽  
Turbine Engine ◽  
Generator Sets ◽  
Life Predictions ◽  
Successful Phase ◽  
The U.S

The Redundant Independent Mechanical Start System (RIMSS) is a gas turbine powered, mechanically coupled start system for the Allison AG9140 Ship Service Gas Turbine Generator Sets (SSGTGs) of the U.S. Navy’s DDG-51 Class ships. The system will be original equipment on DDG-86 and follow. It will also be a candidate for backfit onto earlier DDG-51 Class ships. This paper describes RIMSS and details a very successful phase of the RIMSS program. All U.S. Navy testing was conducted on an Allison AG9140 located at the Carderock Division, Naval Surface Warfare Center-Ship Systems Engineering Station, DDG-51 Gas Turbine Ship Land Based Engineering Site (NSWCCD-SSES LBES), Figure 1. The test agenda included 516 SSGTG starts and 75 SSGTG motoring cycles. The primary goal was to validate engine life predictions for the Allison 250-C20B gas turbine engine in the RIMSS application. A secondary goal was to evaluate the overall RIMSS system during an extended period of operation.

Start Fuel Schedule Enhancements for the ETF40B Gas Turbine Engine

2009 ◽  
Author(s):  
Joseph L. Simonetti ◽  
Joseph H. McMurry
Keyword(s):  
Gas Turbine ◽  
Diesel Fuel ◽  
Test Procedure ◽  
Gas Turbine Engine ◽  
Acceptance Test ◽  
Fuel System ◽  
Turbine Engine ◽  
Fuel Flow ◽  
Us Navy ◽  
Engine Start

Gross starting characteristics of the Vericor Power Systems ETF40B gas turbine engine utilizing diesel fuel for the Republic of Korea Navy LSF-II application indicate inconsistent starting performance, especially in cold ambient temperatures. There is also evidence that cold starting inconsistencies exist on the US Navy LCAC installation of the ETF40B engine. The inconsistencies include late light-offs, failed starts, excessive exhaust smoke, detonative ignition and excessive commanded fuel flow by the full authority digital engine control (FADEC). The starting anomalies experienced on US Navy LCAC have ultimately resulted in the addition of starting requirements to the production engine acceptance test procedure. A detailed review of historical information regarding the TF40B fuel system characteristics resulted in the basis for establishing revised LFMV calibration values and revised FADEC engine start fuel scheduling. Additionally, this review indicated the need for fuel system flow/pressure measurements in order to establish current characteristics and to help refine component requirements and changes (as appropriate). These measurements are required over the entire engine starting and operating range. Cold ambient temperature start testing was performed to establish the engine start characteristics on JP5/JET A fuels with the existing and revised LFMV calibrations. A revised start schedule was developed that provided a reliable, stable starting characteristic (reliable first attempt starting, reducing smoking on starts, eliminating detonative ignition, minimizing large variations in commanded fuel flow during starting). The fuel system pressures and flows were fully characterized in the start and operating regime and start testing validation was performed on Diesel Fuel.

Integrating Systems Engineering Into the USAF Academy Capstone Gas Turbine Engine Course

2011 ◽  
Vol 134 (2) ◽  
Author(s):  
August J. Rolling ◽  
Aaron R. Byerley ◽  
Charles F. Wisniewski
Keyword(s):  
Engineering Design ◽  
Gas Turbine ◽  
Air Force ◽  
Systems Engineering ◽  
Aircraft Engine ◽  
The United States ◽  
Gas Turbine Engine ◽  
Turbine Engine ◽  
Engine Design ◽  
Aeronautical Engineering

This paper is intended to serve as a template for incorporating technical management majors into a traditional engineering design course. In 2002, the Secretary of the Air Force encouraged the United States Air Force (USAF) Academy to initiate a new interdisciplinary academic major related to systems engineering. This direction was given in an effort to help meet the Air Force’s growing need for “systems” minded officers to manage the development and acquisition of its ever more complex weapons systems. The curriculum for the new systems engineering management (SEM) major is related to the “engineering of large, complex systems and the integration of the many subsystems that comprise the larger system” and differs in the level of technical content from the traditional engineering major. The program allows emphasis in specific cadet—selected engineering tracks with additional course work in human systems, operations research, and program management. Specifically, this paper documents how individual SEM majors have been integrated into aeronautical engineering design teams within a senior level capstone course to complete the preliminary design of a gas turbine engine. As the Aeronautical Engineering (AE) cadets performed the detailed engine design, the SEM cadets were responsible for tracking performance, cost, schedule, and technical risk. Internal and external student assessments indicate that this integration has been successful at exposing both the AE majors and the SEM majors to the benefits of “systems thinking” by giving all the opportunity to employ SE tools in the context of a realistic aircraft engine design project.

scholarly journals Improved Reliability of the TF40B Marine Gas Turbine Engine in the LCAC Fleet

1991 ◽  
Author(s):  
Eleanor M. Allison ◽  
Edward M. House
Keyword(s):  
Gas Turbine ◽  
Gas Turbine Engine ◽  
Turbine Engines ◽  
Gas Turbine Engines ◽  
Turbine Engine ◽  
Mean Time Between Failure ◽  
Air Cushion ◽  
Corrective Actions ◽  
Mean Time ◽  
The U.S

Four Textron Lycoming TF40B marine gas turbine engines are used to power the U.S. Navy’s Landing Craft Air Cushion (LCAC) vehicle. This is the first hovercraft of this configuration to be put in service for the Navy. Operation and test of the first production craft revealed deficiencies and less than desirable reliability, but confirmed the validity of its design and ability to perform the mission. After intensive efforts to resolve these problems, reliability trends began to improve as a result of corrective actions incorporated. Today, the LCAC fleet has accrued over 50,000 engine operating hours. Presented here are the changes which have been incorporated into the configuration of the TF40B engine to eliminate both engine unique and vehicle related discrepancies revealed through fleet experience. These changes have contributed significantly toward the improvement of the engine’s mean time between removal (MTBR) and mean time between failure (MTBF) rates.

Analysis of U.S. Navy Rolls Royce 501-K34 Turbine Engine Removals 2008 to 2018

2019 ◽  
Author(s):  
Dennis Russom ◽  
Jeffrey Patterson ◽  
Ivan Pineiro
Keyword(s):  
Gas Turbine ◽  
Gas Turbine Engine ◽  
Turbine Engines ◽  
Prime Mover ◽  
Turbine Engine ◽  
Removal Process ◽  
Turbine Generators ◽  
The U.S

Abstract The Rolls Royce 501-K34 gas turbine engine serves as the prime mover in the Ship Service Gas Turbine Generators (SSGTGs) of the U.S Navy’s USS ARLEIGH BURKE (DDG 51) Class Flight I and Flight II ships. At the time of this writing, there are 65 ships and 195 shipboard 501-K34 turbine engines which operate a total of about 400,000 hours per year. Engines periodically require removal from ships for depot repair. This paper discusses the guidelines that govern the removal process then discuss the 156 engine removals that occurred between January 2008 and November 2018.

scholarly journals The Increased Use of Gas Turbines as Commercial Marine Engines

1993 ◽  
Author(s):  
C. O. Brady ◽  
D. L. Luck
Keyword(s):  
Gas Turbine ◽  
Gas Turbines ◽  
Gas Turbine Engine ◽  
Turbine Engine ◽  
Ship Propulsion ◽  
Naval Ship ◽  
Marine Engines ◽  
Marine Applications

Over the last three decades, aeroderivative gas turbines have become established naval ship propulsion engines but use in the commercial marine field has been more limited. Today, aeroderivative gas turbines are being increasingly utilized as commercial marine engines. The primary reasons for the increased use of gas turbines is discussed and several recent GE aeroderivative gas turbine commercial marine applications are described with particular aspects of the gas turbine engine installations detailed. Finally, the potential for future commercial marine aeroderivative gas turbine applications is presented.

Seawater Contamination of a Gas Turbine Lube Oil System in the U.S. Navy

1999 ◽  
Author(s):  
Dennis M. Russom
Keyword(s):  
System Design ◽  
Gas Turbine ◽  
Failure Mechanism ◽  
Gas Turbine Engine ◽  
Turbine Generator ◽  
Turbine Engine ◽  
Oil Cooler ◽  
Seawater Contamination ◽  
Generator Sets ◽  
The U.S

The Ship Service Gas Turbine Generator sets (SSGTGs) on the U.S. Navy’s DDG-51 Class ships have experienced several gas turbine engine failures resulting from seawater contamination of the lube oil. The seawater enters the turbine lube oil system after a corrosion related failure of the lube oil cooler. This paper examines the system design, failure mechanism, and consequence of the failure. It also discusses maintenance actions intended to minimize the possibility of cooler failures, methods that have been used to clean up contaminated systems and alternate cooler designs that are being considered for backfit.

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