Browsing Gas Turbine Laboratory Reports by Issue Date
Now showing items 21-40 of 123
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Wake induced blade forces in turbo-machines
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1962], 1962)The wake interaction problem in a turbo-machine has been simulated in a water table. The pressure distribution over a compressor blade during the passage of a wake shed by an upstream wake generator has been determined ... -
Centrifugal effect on the boundary layer on a blade of an axial turbo-machine
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1962], 1962)A study of the effect of centrifugal force acting on the turbulent boundary layer of a blade in a turbo-machine is presented. The study includes experimental work conducted in an apparatus featuring an annular cascade of ... -
A study of outlet guide vanes
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1963], 1963)A criterion for design of unstalled compressor blades has been proposed, and a set of outlet guide vanes has been designed according to this criterion and has been tested. A typical compressor stator and outlet guide vane ... -
Vortex decay in a conical diffuser
(Cambridge, Mass. : b Gas Turbine Laboratory, Massachusetts Institute of Technology, [1964], 1964)The behavior of vortex flow in a conical diffuser has been studied in this report. The flow considered here is a steady, incompressible, axially symmetric one. The present experimental investigation has resulted in the ... -
Thin airfoils in rotational flow
(Cambridge, Mass : Massachusetts Institute of Technology, [1965], 1965)The problem of rotational or shear flow about thin airfoils has been investigated theoretically and experimentally. The theoretical approach is based on the concept of a lifting line in a bounded shear flow whose primary ... -
Boundary layer separation in internal flow
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1965], 1965)An investigation of incompressible turbulent boundary layer separation in internal flow is presented with experimental results for a variable geometry, two-dimensional diffuser and two conical diffusers. A simple analytical ... -
Separation of turbulent, incompressible flow from a curved, backward-facing step
(Cambridge, Mass. : Massachusetts Institute of Technology, Gas Turbine Laboratory, [1966], 1966)An experimental investigation of turbulent, incompressible flow separation over curved and sharp, backward-facing steps is presented with results for various step heights. Mean velocities in the separating boundary layer ... -
Separation of turbulent, incompressible flow from a curved, backward-facing step
(Cambridge, Mass. : Massachusetts Institute of Technology, Gas Turbine Laboratory, [1966], 1966)An experimental investigation of turbulent, incompressible flow separation over curved and sharp, backward-facing steps is presented with results for various step heights. Mean velocities in the separating boundary layer ... -
Upstream history and apparent stress in turbulent boundary layers
(Cambridge, Mass. : Massachusetts Institute of Technology, Gas Turbine Laboratory, [1966], 1966)A comprehensive experimental and analytical study specifically designed to investigate upstream history and apparent stresses in incompressible, two-dimensional, turbulent boundary layers has been conducted. Hot-wire ... -
Experiments on turbulent boundary layers along a circular cylinder with and without separation
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1967], 1967)Summary: Experiments were conducted in a turbulent boundary-layer near separation along a circular cylinder with the flow in the axial direction. The pressure gradient along the axis of the cylinder could be varied such ... -
Condensation of supersaturated organic vapors in a supersonic nozzle
(Cambridge, Mass. : Gas Turbine Laboratory , Massachusetts Institute of Technology, [1967], 1967)Experiments were performed involving condensation of supersaturated benzene and chloroform vapors in a supersonic nozzle, with compressed air as the carrier gas. Experiments showed that the magnitude of the water vapor ... -
Wave drag in transonic axial compressors
(Cambridge, Mass. : Massachusetts Institute of Technology, Gas Turbine Laboratory, [1967], 1967)Profiles of fluid properties, including flow angle, static and total pressures have been obtained behind a free wheeling 8" diameter transonic rotor. The latter consists of 40 blades with double circular arc profiles, a ... -
Condensation of supersaturated organic vapors in a supersonic nozzle
(Cambridge, Mass. : Gas Turbine Laboratory , Massachusetts Institute of Technology, [1967], 1967)Experiments were performed involving condensation of supersaturated benzene and chloroform vapors in a supersonic nozzle, with compressed air as the carrier gas. Experiments showed that the magnitude of the water vapor ... -
Experiments on turbulent boundary layers along a circular cylinder with and without separation
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1967], 1967)Summary: Experiments were conducted in a turbulent boundary-layer near separation along a circular cylinder with the flow in the axial direction. The pressure gradient along the axis of the cylinder could be varied such ... -
Effect of swirl on turbulent jets in ducted streams
(Cambridge, Mass. : Massachusetts Institute of Technology, Gas Turbine Laboratory, [1968], 1968)An experimental and theoretical program of research has been carried out to determine the effect of swirl on the mixing of a turbulent jet in a ducted stream. The term swirl is used to describe a flow pattern within the ... -
Wall-shear-stress and laminarisation in accelerated turbulent compressible boundary-layers
(Cambridge, Mass. : Massachusetts Institute of Technology, Gas Turbine Laboratory, [1968], 1968)Turbulent-laminar transition in compressible, steeply-accelerated, adiabatic, turbulent boundary layers on a smooth wall was investigated experimentally in the ranges of Mach and Reynold's numbers typical of nozzles used ... -
Unconventional blade design for compressors
(Cambridge, Mass. : Gas Turbine Laboratory, Massachusetts Institute of Technology, [1969], 1969)One of the factors causing the low efficiency of axial flow compressors operating at decreased flow rates is the flow separation at blade extremities. To postpone this tendency to separate to lower flow rates, compressor ... -
A light scattering investigation of droplet growth in nozzle condensation
(Cambridge, Mass., Gas Turbine Laboratory, Massachusetts Institute of Technology, 1969, 1969)An experimental and theoretical study has been made of the condensation of water vapor (with air carrier) in a supersonic nozzle in order to investigate the possible existence of condensate droplets which are substantially ... -
The development of a perturbed, incompressible, turbulent boundary layer
(Cambridge, Mass. : Gas Turbine Laboratory , Massachusetts Institute of Technology, [1969], 1969)The response of a fully-developed equilibrium turbulent boundary layer to a small disturbance was observed experimentally under low-Mach number conditions: a turbulent boundary layer in an axisymmetric channel under zero ... -
Noise generation by shock-turbulence interaction
(Cambridge, Mass. : Gas Turbine Laboratory , Massachusetts Institute of Technology, [1970], 1970)The noise produced by convection of turbulence through an oblique shock wave has been measured and compared to theoretical predictions by Ribner and Kerrebrock. There is excellent agreement with the theoretical prediction ...
