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Solvay SA
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Solvay SA
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Application filed by Solvay SAfiledCriticalSolvay SA
Priority to FR7032375ApriorityCriticalpatent/FR2105415A5/fr
Priority to BE771687Aprioritypatent/BE771687A/fr
Application grantedgrantedCritical
Publication of FR2105415A5publicationCriticalpatent/FR2105415A5/fr
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
B01J19/24—Stationary reactors without moving elements inside
B01J19/2415—Tubular reactors
B01J19/2435—Loop-type reactors
B—PERFORMING OPERATIONS; TRANSPORTING
B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
FR7032375A1970-09-041970-09-04Perfectionnement aux reacteurs de polymerisation continue
ExpiredFR2105415A5
(fr)
Flow perturbations generated by an oscillating wall in supersonic channel flows(Perturbations generated by two dimensional supersonic channel flows with walls oscillating with harmonic time dependence and small pressure amplitude computed, using linearized method of characteristics)
Effect of mixing of two fluids on the energy efficiency of conical diffusers(Optimum two fluid mixing chamber length for energy efficiency of conical diffusers in straight pipe jet pump systems)
Solution of the Chaplygin equation by the method of straight lines(Straight line computer solution of Chaplygin equation, with application to high subsonic gas flow incident on airfoil with local supersonic zone)
Calculation of the initial segment and of the stabilized segment of flow in plane separationless diffusers(Aerodynamic characteristics of plane straight walled diffusers initial and stabilized flow segments, assuming incompressible fluid and turbulent boundary layer)
Shape of the separated-flow region caused by the incidence of a three-dimensional shock wave on a plate with a turbulent boundary layer(Flow structure in conical shock wave-sharp flat plate interaction zone in supersonic flow, noting turbulent boundary layer before separation)
Study of the base-pressure fluctuations behind a cone in a supersonic flow(Base pressure fluctuations behind cone in supersonic flow due to presence of stagnant zone with subsonic reverse flow in shape of annular vortex)
General method of determining the optimum parameters of turbines with a small volumetric flow rate(Optimum efficiency of turbines with small volumetric flow rate, determining height of air-gas flow, partial admittance and flow angle in clearance)
Some characteristics of the gas flow in the zone of a vortex filament(Gas flow in nozzle, stages and gas dynamic systems, discussing motion in cross sectional plane)
Losses in stage of axial turbine at speeds of approaching in the vicinity of the speed of sound(Losses of blade rims in axial gas turbines at sonic speeds)
Application of a hybrid computer technique and variational method to solve the flow in the entrance region of a circular tube with variable physical properties.
The dependence of facula-photosphere contrast in molecular lines on dissociation energy(Molecular concentration-optical depth curves for combinations of two photospheric and two facular models, noting lines contrast dependence on dissociation energy)
On the reduction of the intrinsic noise at sound transducers in air flow(literature survey)(Subsonic intrinsic noise reduction of sound pressure transducers in air flow)