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Keywords: Turbomachines
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Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011206.
Paper No: FE-17-1422
Published Online: August 16, 2018
... Turbomachines 10 07 2017 12 07 2018 Contributed by the Fluids Engineering Division of ASME for publication in the J OURNAL OF F LUIDS E NGINEERING . Manuscript received July 10, 2017; final manuscript received July 12, 2018; published online August 16, 2018. Assoc. Editor: Bart van Esch...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101109.
Paper No: FE-17-1711
Published Online: August 6, 2018
...-structure interaction Pumps Turbomachines Designers implement grooved liquid annular seals to reduce leakage. Grooved seals also decrease the likelihood of seizures in the case of rotor-stator rub (when compared to a smooth seal) due to the smaller surface area. In electrical submersible pumps...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. February 2019, 141(2): 021101.
Paper No: FE-17-1671
Published Online: June 29, 2018
... . Manuscript received October 18, 2017; final manuscript received June 8, 2018; published online June 29, 2018. Assoc. Editor: Hui Hu. 18 10 2017 08 06 2018 Cavitation Computational fluid dynamics Pumps Turbulence Turbomachines Cavitation in centrifugal pumps is considered...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011204.
Paper No: FE-16-1724
Published Online: June 29, 2018
...; published online June 29, 2018. Assoc. Editor: Wayne Strasser. 03 11 2016 07 04 2018 Cavitation Computational fluid dynamics Multiphase flows Pumps Turbomachines Extreme cavitating conditions that prevail when high-speed pumps operate at low inlet pressures adversely...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. January 2019, 141(1): 011105.
Paper No: FE-17-1550
Published Online: June 29, 2018
... 2018 Aerodynamics Pumps Stability Turbomachines Transition For rocket engines, reliability is the key design issue, given the very costly payloads and the task of placing astronauts in orbit. The function of the rocket engine turbopump is to pump fuel under pressure ranging from...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121107.
Paper No: FE-17-1647
Published Online: June 26, 2018
...; final manuscript received May 10, 2018; published online June 26, 2018. Assoc. Editor: Wayne Strasser. 08 10 2017 10 05 2018 Experimental techniques Hydrodynamics Pressure drop Pumps Turbomachines The focus on pump working as turbine (PAT) has drawn attention...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121103.
Paper No: FE-18-1042
Published Online: June 13, 2018
... Unsteady flows Turbomachines Transient conditions, such as a startup or a runaway, imply a time variation of the operating parameters of a hydraulic turbine (e.g., flow rate, runner rotation speed and, in some cases, guide vane opening). Transient conditions typically reduce the life expectancy...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111104.
Paper No: FE-17-1712
Published Online: May 28, 2018
... fluids Vortices Turbomachines In 2015, hydraulic turbines contributed to 70% of all the electricity production from renewable resources [ 1 ]. Using natural and artificial lakes/reservoirs, hydraulic energy, of all the major renewable energy sources (solar, wind, hydraulic), is the only one...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. November 2018, 140(11): 111301.
Paper No: FE-17-1649
Published Online: May 18, 2018
.... 09 10 2017 17 04 2018 Cavitation Compressible flows Computational fluid dynamics Multiphase flows Pumps Rotating fluids Turbomachines The centrifugal pump, as one of the most widely used hydraulic machinery, is designed to be much speedier and much larger to meet...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101107.
Paper No: FE-17-1563
Published Online: May 18, 2018
... flows Turbomachines With the dramatic increase of renewable and clean but intermittent energy sources such as wind power and solar energy in the power grid, it becomes more and more important to regulate the power grid to maintain the high quality of power supply. Nowadays, pumped storage...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. October 2018, 140(10): 101106.
Paper No: FE-17-1279
Published Online: May 18, 2018
... Turbomachines Oscillatory and pulsatile flows are ubiquitous in nature, and the potential for using unsteady flows in a wide range of engineering applications has long been recognized. One of the earliest uses of pulsatile flow was during the World War II in the making of the German V-1 Flying “Buzz...
Journal Articles
Article Type: Technical Briefs
J. Fluids Eng. October 2018, 140(10): 104501.
Paper No: FE-17-1681
Published Online: May 2, 2018
... Pumps Shocks Supersonic flows Turbomachines Condensation shocks are encountered in steam nozzles and in blade passages of the last stages of steam turbines. In addition, condensation shocks are also seen in supersonic wind tunnels owing to the water vapor present in the incoming air. In all...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091204.
Paper No: FE-17-1595
Published Online: May 2, 2018
... manuscript received March 9, 2018; published online May 2, 2018. Assoc. Editor: Wayne Strasser. 19 09 2017 09 03 2018 Fluid transients Pumps Unsteady flows Turbomachines The objectives of energy saving and emission reduction have elicited extensive research attention in terms...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. September 2018, 140(9): 091202.
Paper No: FE-17-1674
Published Online: April 19, 2018
... received February 18, 2018; published online April 19, 2018. Assoc. Editor: Matevz Dular. 19 10 2017 18 02 2018 Cavitation Hydrodynamics Pumps RANS simulations Turbomachines Intense vibration or malfunctioning can result from abnormal flow phenomena that occur when...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081202.
Paper No: FE-17-1426
Published Online: March 29, 2018
... OF F LUIDS E NGINEERING . Manuscript received July 12, 2017; final manuscript received January 25, 2018; published online March 29, 2018. Assoc. Editor: Bart van Esch. 12 07 2017 25 01 2018 Pumps Turbomachines When the operating conditions of a centrifugal pump change...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081201.
Paper No: FE-17-1386
Published Online: March 29, 2018
...Pascal Bader; Manuel Pschernig; Wolfgang Sanz; Jakob Woisetschläger; Franz Heitmeir; Walter Meile; Günter Brenn Flow in turbomachines is generally highly turbulent. Nonetheless, boundary layers may exhibit laminar-to-turbulent transition, and relaminarization of the turbulent flow may also occur...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071102.
Paper No: FE-17-1341
Published Online: March 16, 2018
... June 12, 2017; final manuscript received January 5, 2018; published online March 16, 2018. Assoc. Editor: Satoshi Watanabe. 12 06 2017 05 01 2018 Fluid transients Pumps Turbomachines Pumped-storage stations are widely used to store electrical energy for purposes...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071101.
Paper No: FE-16-1631
Published Online: March 16, 2018
... September 26, 2016; final manuscript received January 24, 2018; published online March 16, 2018. Assoc. Editor: Wayne Strasser. 26 09 2016 24 01 2018 Computational fluid dynamics Gas dynamics Pumps Turbomachines In turbomachinery, annular seals are commonly used to minimize...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071403.
Paper No: FE-17-1266
Published Online: March 16, 2018
... . Manuscript received May 7, 2017; final manuscript received January 25, 2018; published online March 16, 2018. Assoc. Editor: Devesh Ranjan. 07 05 2017 25 01 2018 Hydrodynamics Pumps Turbomachines Pumps with low capacity and high head are needed in many process applications...
Journal Articles
Article Type: Research-Article
J. Fluids Eng. June 2018, 140(6): 061103.
Paper No: FE-17-1394
Published Online: February 16, 2018
... received June 29, 2017; final manuscript received January 17, 2018; published online February 16, 2018. Assoc. Editor: Riccardo Mereu. 29 06 2017 17 01 2018 Computational fluid dynamics Fluid-structure interaction Pumps Unsteady flows Turbomachines The variations...