All public logs

Combined display of all available logs of NPrize. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 20:06, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Overall thrust to weight.png (Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too.)
• 20:04, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Final acceleration.png (Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too.)
• 20:02, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Payload 0-80kg.png (fixing update)
• 19:58, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Payload 0-80kg.png (Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too.)
• 19:57, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Payload 0-6k.png (Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too.)
• 13:26, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Rocket mass.c (Refining the model: better structure, more realistic fairing, adding forgotten pipes and valves, tanks alignment on outer shell, composite skirts for non-structural or soft tanks.)
• 00:26, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Rocket model.png (Rocket model illustration for the computed rocket model: File:Rocket_mass.c)
• 03:10, 27 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Rocket ignition.png (Graph of the rocket trajectory for first moments after release, assuming ignition at the time of the release, a thrust vector with 45 deg pitch, and an overall thrust-to-weight ratio of 2. No atmosphere considered whatsoever.)
• 02:01, 24 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Heat transfer to rocket tank.c (Program calculating the heat transferred to a cryogenic tank (typically LOX) for balloon- or air-to-orbit vehicles. Two heat transfer approximations are done. * when the vehicle is waiting on the ground after tank filling and before it lifts-off from the )
• 02:59, 17 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:ISA atmospheric model.c (C Implementation of the international standard atmosphere ([https://en.wikipedia.org/wiki/International_Standard_Atmosphere ISA]) model. This is a port of http://www.digitaldutch.com/atmoscalc/ .)
• 01:37, 9 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Rocket mass tanks v3.png (tank model for rocket mass version >= 3)
• 01:36, 9 November 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Rocket mass tanks v1-2.png (white bg)
• 01:33, 9 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Rocket mass tanks v1-2.png (tank model for rocket mass versions 1 and 2)
• 03:51, 7 November 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Rocket mass.c (composite skirts, propellant venting and tank insulation (given data, not computed), mass ratio computed from delta V and Isp.)
• 02:47, 2 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Rocket mass.c (Program that iterates to compute an SSTO rocket's dry and wet mass (and other parameters). Compile with gcc -O2 -Wall rocket_mass.c -o rocket_mass -lm for normal use, and add -DMAKE_GRAPH after gcc on the command line if you want to create graph data as )
• 02:15, 2 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Payload 0-6k.png (Graph representing rocket dry and wet mass as function of the payload mass (or any other fixed mass subsystem), ranging from 0 to 6 kg payload.)
• 01:41, 2 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Final acceleration.png (Graph representing final acceleration and engine's thrust as function of the initial acceleration (overall thrust-to-weight ratio).)
• 04:47, 1 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Overall thrust to weight.png (Graph representing rocket dry and wet mass as function of the vehicle (overall) initial thrust-to-weight ratio. There is an equivalence with the acceleration in number of G's.)
• 04:45, 1 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Engine thrust to weight.png (Graph representing rocket dry and wet mass as function of the engine's thrust-to-weight ratio.)
• 04:44, 1 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Mass ratio.png (Graph representing rocket dry and wet mass as function of the mass ratio (fixed by Isp and Delta V).)
• 04:43, 1 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Payload 0-80kg.png (Graph representing rocket dry and wet mass as function of the payload mass (or any other fixed mass subsystem).)
• 23:38, 31 May 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Hybrid turbine.png (glimpses of an expander and minor improvements)
• 22:28, 28 May 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Thermodynamic diagrams.png (T-S diagram for the mixed/hybrid turbofan.)
• 19:18, 28 May 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Hybrid turbine.png (changing colors for background and flows)
• 19:03, 28 May 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Hybrid turbine.png (background)
• 18:54, 28 May 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Hybrid turbine.png (Hybrid turbine sketch)
• 18:54, 28 May 2012 Vincent Sọ̀rọ̀ contribs deleted page File:Hybrid turbine.svg (svg not working yet)
• 18:50, 28 May 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Hybrid turbine.svg (Hybrid turbine sketch)
• 01:39, 27 November 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Velocity triangles.png (Velocity triangles for axial compressor blades. Source is the chapter "2.0 Axial-Flow Compressors" from M. P. Broyce.)
• 01:29, 27 November 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Blade nomenclature.png (Nomenclature of aerofoils (used in fan/compressor/turbine blades). Source is the chapter "2.0 Axial-Flow Compressors" from M. P. Broyce.)
• 20:08, 2 November 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Combustor sketch section.jpg (Sketch of the combustor cross-section. The green part is the shaft, the transparent light blue part is the core shell.)
• 19:36, 2 November 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Engine core and fan.jpg (Sketch of the engine, with the core and the fan duct, aft-mounted fan and first stage compressor rotor drafted. The chamber is in red/brown.)
• 19:35, 2 November 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Engine core and fan side.jpg (Sketch of the engine, with the core and the fan duct, aft-mounted fan and first stage compressor rotor drafted. The chamber is in red/brown.)
• 23:27, 9 May 2011 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Compressor blades.svg (white bg)
• 23:26, 9 May 2011 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Compressor blades.png (white background)
• 23:20, 9 May 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Compressor blades.png (Compressor blades 2D schematics.)
• 23:20, 9 May 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Compressor blades.svg (Compressor blades 2D schematics (source SVG file).)
• 00:16, 5 May 2011 User account Myier Sọ̀rọ̀ contribs was created
• 20:58, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Blade fixation simple.jpg (fixing display artefact)
• 20:56, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Blade fixation simple.jpg (Simple way of fixing blades: insert is parallel to the shaft and a spacer is used to hold them together, actually composing the fan hub.)
• 20:23, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Compressor side.jpg (yellow shaft)
• 20:20, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Compressor noshell.jpg
• 20:09, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Rotor side.jpg (Rotor with its three-stages blades seen from the side.)
• 20:08, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Rotor front side.jpg (Rotor with its three-stages blades, seen from nearly front.)
• 19:57, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Stator side.jpg (Stator blades mounted on their shell and the shaft profile visible, nearly seen from the side.)
• 19:56, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Stator front.jpg (Stator blades mounted on their shell and the shaft seen from the front.)
• 19:46, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Compressor noshell.jpg (The 3-stage compressor with all blades mounted without its shell.)
• 19:46, 28 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Compressor side.jpg (The 3-stage compressor with all blades mounted, seen from the side and without its shell.)
• 23:06, 23 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Blade fixation2.jpg (Close-up view on the blade fixation system (rear view).)
• 23:05, 23 February 2011 Vincent Sọ̀rọ̀ contribs uploaded File:Blade fixation1.jpg (Close-up view on the blade fixation system.)