INSIGHTS
CFD and design engineering notes
Written by Aminreza Khoshbahar. Buyer guides on scoping and judging engineering work, and build notes from the Orion turbojet and the Orion-T1 airframe, with the measured figures in each.
Fluidized-Bed Dryer CFD Rescue
A stalled multiphase drying model, traced to its boundary hook, rebuilt with internal moisture resistance and released against six checks that passed.
READ →Small Turbojet Engine: All 48 in One File
Our small turbojet engine is now one file: 32 parts and 16 blade rows, all 48 members hash-verified, and 1,128 of 1,128 interference checks passed.
READ →Gas Turbine Design: The One-Shift Drum
One shift of gas turbine design: the GT1 compressor drum re-architected, 12 of 12 spinning stress cases passed, every shaft seated to zero interference.
READ →GT1 Fuel Manifold: 18 for 18
First fuel-system part for the GT1 core: one ring, eighteen injector stems, one inlet: every injector tip measured onto its swirler axis. 18 for 18.
READ →Small-Turbojet Design Brief Checklist
The decisions, inputs and tolerances that make a small-turbojet design brief buildable, and the questions that can safely stay open.
READ →Turbojet Concept Design Deliverables
Closed design point, cycle-selection trail, gas-path tables, mass model, sealed geometry, check matrix: what a serious concept-design package delivers.
READ →Compare Small-Turbojet Design Proposals
Weigh competing small-turbojet proposals: normalize the design point, pin down TSFC basis, read the off-design deck, and rank evidence over confidence.
READ →Turbojet Airframe Integration Checklist
Inlet path, engine-face conditions, bay clearance, mass and balance, fuel, controls and access: the installation questions concept design must answer.
READ →Target Drone Requirements Checklist
Start from the test objective and threat representation, then work through profile, launch and recovery, payload, telemetry, attrition and logistics.
READ →Concept vs Detailed Design, Qualification
Boundaries between concept, preliminary and detailed design, verification, validation, qualification and certification, and what each stage proves.
READ →Orion-T1: Engine Model to Flying Airframe
How the pipeline that closed the Orion cycle designed an airframe around it and flew six scripted 6-DoF tests: objective in, sealed release out.
READ →Turbojet vs. Piston for Target Drones
Speed and altitude realism, throttle response, mass, fuel logistics and cost per flight hour: the trade-offs that decide what a target drone can simulate.
READ →Nineteen Checks, Nineteen Passes
Every published Orion figure is checked against a declared threshold, and both numbers are public: why that matters when you are buying engineering.
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