Results 131 to 140 of about 4,183,596 (242)

Three dimensional flow computations in a turbine scroll [PDF]

open access: yes
The compressible three dimensional inviscid flow in the scroll and vaneless nozzle of radial inflow turbines is analyzed. A FORTRAN computer program for the numerical solution of this complex flow field using the finite element method is presented.
Ghantous, C. A., Hamed, A.
core   +1 more source

Revised FORTRAN program for calculating velocities and streamlines on the hub-shroud midchannel stream surface of an axial-, radial-, or mixed-flow turbomachine or annular duct. 2: Programmer's manual [PDF]

open access: yes
A FORTRAN IV computer program has been developed that obtains a detailed subsonic or shock free transonic flow solution on the hub-shroud midchannel stream surface of a turbomachine.
Katsanis, T., Mcnally, W. D.
core   +1 more source

Malthusian dynamism and the rise of Europe: Make war, not love [PDF]

open access: yes
This paper argues that Malthusian regimes are capable of sustained changes in per capita incomes. Shifting mortality and fertility schedules can lead to different steady-state income levels, with long periods of growth during the transition.
Joachim Voth, Nico Voigtländer
core  

An experimental investigation on the role of the operating time of the mist device on the thermal performances of a water-sprayed air-cooled condenser and on the energy consumption of the cooling system

open access: yesInternational Journal of Thermofluids
Water spraying upstream of an air-cooled condenser enables high heat dissipation. Meanwhile, a good control on the spray-heater parameters is crucial to avoid excesses of water and heat transfer destruction.
Ibra Bop, Biram Dieng
doaj  

The pumping function of sponge choanocyte chambers. [PDF]

open access: yesProc Natl Acad Sci U S A
Larsen PS, Riisgård HU.
europepmc   +1 more source

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