...Matthew Abulail; Sean P. Cooper; Matthew G. Sandberg; Eric L. Petersen With new restrictions imposed on gas turbine efficiencies and power outputs, lubricating oils are used at higher temperatures and harsher conditions leading to potential, unintended combustion. To establish an understanding...

... stiffnesses and added mass coefficients; the latter was previously ignored or largely under predicted. 21 06 2011 22 06 2011 01 03 2012 01 03 2012 compressors finite element analysis hydrodynamics lubricating oils machine bearings rotors Oil seals are used...

...) temperatures. 27 07 2010 03 08 2010 19 05 2011 19 05 2011 cogeneration gas turbines lubricating oils The cogeneration plant of Watson Cogeneration Company (WCC), located in Carson, CA, produces 420 MW of electric power and over one million kg/hr steam (41.4 barg...

... high performance engine applications. With this test bench, more mature prototypes can be tested with lubrication oil as working fluid. The first pump and separator prototypes (integrated and non-integrated) were tested on a water-air test bench. The ATM Department also developed in previous...

... lubricating oils machine bearings rotary engines torque measurement turbines 14 07 2009 29 10 2009 11 08 2010 11 08 2010 2010 American Society of Mechanical Engineers ...

... metals in the lubricating oil samples drawn from the engines at regular intervals were investigated. Relatively lower wear concentrations of all wear metals except lead were found in the lubricating oil of B20 fueled engine. To quantify the wear of cylinder liners, surface parameters at different...

... ] [ C 30 ] reac ) = − k 1 × t 09 03 2009 07 04 2009 30 11 2009 30 11 2009 ageing diesel engines lubricating oils lubrication oxidation pistons rapid thermal processing reaction rate constants Lubricants are essential to the good...

... 08 09 2008 09 06 2009 impact (mechanical) lubricating oils machine bearings rotors vibrations oil lubrication five-leaf foil bearing test-bed design radial clearance experiment The structure of five-leaf foil bearing test-bed is designed in Fig. 2 . The maximum...

... 3.6238 Bearing chamber C 3.8 3.6993 14 04 2008 15 05 2008 10 02 2009 aerospace computing aerospace engines flow simulation gears heat exchangers lubricating oils lubrication machine bearings nozzles numerical analysis orifices (mechanical) pipes temperature...

... oils particle size separation shafts Aeroengine bearing chambers are often sealed by air-blown seals pressurized by compressor air. The sealing air mixes with the lubrication oil and forms a complex two-phase flow in the bearing chamber and in the components downstream. In many...

... hydrodynamics lubricating oils lubrication machine bearings reliability rotors wear airfoil bearing hydrostatic hybrid perturbation analysis stability Airfoil bearings have been successfully used in high speed microturbomachinery such as turbocharger∕generators, aircraft air cycle...

... performance is studied in this paper. 19 07 2006 27 08 2007 22 01 2008 engine cylinders friction ignition internal combustion engines lubricating oils pistons rings (structures) starting thermodynamic properties viscosity In most previous studies on air-standard power...

... values for air dissolving in lubrication oil are ρ 0 = 1.76 kmol ∕ m 3 , B = 0.09 , H = 476 bar . This work was supported by the Ford Motor Company under the Ford/MIT Alliance Program. Devon Manz was also partially supported by the Natural Sciences...

... available to drive the compressor or a lower requirement from the turbine, resulting in lower back pressure on the engine. vehicles automotive engineering rotors engines lubricating oils shafts rings (structures) compressors machine bearings 25 08 2005 28 09...

... direct-injection compression-ignition engine. Test setup was run for 96 hr under predetermined loading cycles in two phases; normally, operating condition (i.e., without EGR) and with a fixed EGR rate of 25%. Addition of metallic wear debris in the lubricating oil samples drawn after regular interval...

... 1, 2004. IGTI Review Chair: A. J. Strazisar. 13 June 2004 01 October 2003 01 March 2004 24 06 2005 frequency response electric machines lubricating oils rotors machine bearings dynamic response frequency-domain analysis hydrodynamics vibrations Rotating...

... it is difficult to obtain experimental data. Nevertheless, understanding these processes is very important in order to design reliable and efficient lubrication systems that supply the necessary amounts of oil while minimizing leakage. drops gas turbines jet engines lubricating oils aerodynamics...

... the TDC of the top ring, S is the length of engine stroke, and m 0 , m 1 , and m 2 are correlation parameters. 20 01 2003 24 09 2004 lubricating oils liquid films heat transfer pistons diesel engines viscosity hydrodynamics thermodynamics...

... proportion have occurred through previously unidentified chloride corrosion as a result of contamination of the lubricating oil system with salt water from the seawater lubricating oil cooler (SWLO cooler). Despite joint ownership of both engine variants with the Royal Netherlands Navy, there was no clear...

..., University of Karlsruhe. The solution is found to be sensitive to the choice of boundary conditions applied to the vent and scavenge. 01 10 2003 01 03 2004 aerospace engines lubricating oils rolling bearings film flow two-phase flow numerical analysis vents (mechanical components...