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MP-AI-20/mechanical-engineering-skillsعرض ٤٠ من أصل ٦٤٧ skills مجمعة.
Subsea pipeline engineering — wall thickness design (DNV-ST-F101 pressure containment, collapse, combined loading), corrosion allowance and coating (FBE, 3LPE), on-bottom stability (Morison forces, concrete weight coating), pipeline expansion and buckling…
لغة النص الأصلي: الإنجليزية
Superalloy processing — investment casting (wax/ceramic process, directional solidification, single crystal growth), γ/γ' microstructure (γ' solvus, anti-phase boundary energy, coherency strain), heat treatment sequences (solution, primary/secondary age), hot…
لغة النص الأصلي: الإنجليزية
Superplastic forming (SPF) — superplastic conditions (fine grain < 10 μm, high T > 0.5 Tm, low strain rate 10⁻⁴ to 10⁻²/s), flow stress and strain rate sensitivity m-value (m > 0.5), SPF tooling (die, argon pressure), SPF of titanium (Ti-6Al-4V at 900–950°C)…
لغة النص الأصلي: الإنجليزية
Surface finish and roughness — Ra/Rz/Rq parameters, manufacturing process Ra values, surface finish effect on fatigue (Marin factor ka), tribology basics, coating selection.
لغة النص الأصلي: الإنجليزية
Machined surface integrity — residual stress from machining (tensile vs. compressive), white layer formation (hardened steels), microstructural alterations (HAZ, phase transformation), work hardening (microhardness depth profile), surface roughness from…
لغة النص الأصلي: الإنجليزية
Surface texture measurement — 2D profile parameters (Ra, Rz, Rq, Rsk, Rku, Rsm, Rc), 3D areal parameters (Sa, Sz, Sq, Ssk, Sku, Sal, Str), Abbott-Firestone curve (material ratio Smr, void volume Vvc), measurement methods (contact stylus, coherence scanning…
لغة النص الأصلي: الإنجليزية
Surrogate modeling (metamodeling) — Gaussian process/kriging (DACE), polynomial response surface (RSM), radial basis functions (RBF), support vector regression, neural network surrogates, design of experiments (LHS, CCD, Sobol), cross-validation (LOOCV,…
لغة النص الأصلي: الإنجليزية
Automotive suspension design — double wishbone, MacPherson, multi-link, kinematics (camber, toe, caster), spring/damper sizing, roll stiffness, natural frequency, handling balance.
لغة النص الأصلي: الإنجليزية
System reliability engineering — fault tree analysis (AND/OR gates, minimal cut sets, Boolean reduction), event tree analysis, FMEA/FMECA (severity/occurrence/detection RPN), reliability block diagrams (series/parallel/k-of-n), Weibull system reliability,…
لغة النص الأصلي: الإنجليزية
Systems engineering process — V-model, requirements (MoE/MoP/KPP), SRR/PDR/CDR reviews, CONOPS, system architecture, MBSE (SysML), verification and validation, INCOSE SE handbook.
لغة النص الأصلي: الإنجليزية
Storage tank field troubleshooting — tank floor corrosion (MIC, bottom corrosion, API 653 fitness for service), floating roof issues (roof sinking, leg failure, seal damage, rim-seal fires, pontoon leaks), fixed roof issues (internal pressure exceedance,…
لغة النص الأصلي: الإنجليزية
Tapered roller bearing selection and design — equivalent load, induced thrust, mounting arrangements, L10 life (ISO 281), preload, TIMKEN/SKF methods.
لغة النص الأصلي: الإنجليزية
Tempering of steel — stages (I–IV martensite decomposition), temper embrittlement, tempered martensite embrittlement (TME), secondary hardening, temper charts, Hollomon-Jaffe parameter.
لغة النص الأصلي: الإنجليزية
Thermal energy storage (TES) — sensible heat storage (water tank, rock bed, aquifer ATES), latent heat storage (PCM: paraffin, salt hydrates, molten salts; Stefan problem melting), thermochemical storage (reversible reactions, energy density comparison),…
لغة النص الأصلي: الإنجليزية
Thermal shock resistance of ceramics and metals — Hasselman thermal shock parameters (R, R', R''), Kingery's first crack criterion, severity of quench (Biot number), thermal stress in constrained members (α×E×ΔT), edge cracking of ceramic tiles, thermal…
لغة النص الأصلي: الإنجليزية
Thermal spray coatings — HVOF, plasma spray, cold spray, wire arc, flame spray; coating properties (porosity, bond strength, hardness); applications, substrate prep, quality control.
لغة النص الأصلي: الإنجليزية
Thermal spray coatings — HVOF (high velocity oxygen fuel), plasma spray (APS, VPS), cold spray, flame spray, arc spray; splat formation; coating porosity, hardness, bond strength; feedstock (powder, wire); substrate preparation (grit blast Sa 3); coating…
لغة النص الأصلي: الإنجليزية
Thermal stress analysis — constrained expansion, bi-metallic strips, composite bars, thermal fatigue, creep at temperature, thermal shock resistance, CTE mismatch in assemblies.
لغة النص الأصلي: الإنجليزية
Thermo-mechanical FEA — coupled thermal-structural analysis, sequential (one-way) vs. fully coupled formulation, thermal strain ε_th = α×ΔT, temperature-dependent material properties, creep (Norton power law), fatigue life from thermal cycling…
لغة النص الأصلي: الإنجليزية
Power and refrigeration cycle analysis — Rankine, Brayton, Otto, Diesel, Stirling, vapor compression refrigeration. Efficiency, COP, work, heat, irreversibility, T-s and P-v diagrams.
لغة النص الأصلي: الإنجليزية
Thermoelectric generator (TEG) — Seebeck effect (V = α×ΔT), Peltier and Thomson effects, figure of merit ZT = α²σT/k, TEG power output and efficiency (Carnot × η_max), device geometry (unicouple, module), maximum power and efficiency operating points, thermal…
لغة النص الأصلي: الإنجليزية
Thermoforming of polymer sheets — vacuum forming, pressure forming, plug-assist forming, drape forming; material selection (ABS, HDPE, PET, PETG, PC, HIPS, PMMA); heating (infrared, oven, forming window); draw ratio and wall thickness distribution; draft…
لغة النص الأصلي: الإنجليزية
Infrared thermography NDT — active thermography (flash, lock-in, step-heating, vibrothermography), passive thermography, Planck's law, emissivity correction, thermal diffusivity and defect detection depth (1D heat diffusion), thermal contrast, lock-in phase…
لغة النص الأصلي: الإنجليزية
Closed two-phase thermosyphon (CTPT) — gravity-driven heat pipe (no wick), flooding/geyser/entrainment limits, boiling limit, Bond number and inclination effects, fill ratio optimization, working fluid selection (water/ammonia/methanol/CO₂/R134a), heat…
لغة النص الأصلي: الإنجليزية
Thick-walled cylinders and spheres — Lamé equations, hoop/radial/axial stress, Tresca/VM failure, autofrettage, interference fit, shrink fit cylinder design.
لغة النص الأصلي: لغات متعددة
Threaded fastener design — preload, torque-tension, bolt stiffness, joint separation, proof load, fatigue, torque coefficients, VDI 2230, ASME bolting.
لغة النص الأصلي: الإنجليزية
Thrust bearing design — axial load capacity for tapered roller thrust, angular contact ball, spherical roller thrust, and hydrodynamic tilting-pad thrust bearings; ISO 281 dynamic load rating C_a and life L10; thrust bearing arrangement (paired angular…
لغة النص الأصلي: الإنجليزية
Tidal energy conversion — tidal stream (horizontal axis tidal turbine, HATT; Betz limit; thrust coefficient; tidal current resource), tidal range (barrage/lagoon; potential energy E = ρgAR²/2; sluicing strategy), tidal turbine blade design (NACA profiles;…
لغة النص الأصلي: الإنجليزية
Tire mechanics — Pacejka Magic Formula (lateral force, longitudinal force, aligning moment Mz), contact patch geometry, slip angle and slip ratio, cornering stiffness Cα, pneumatic trail, combined slip (ellipse model), tire-road friction (µ-slip curve, peak µ…
لغة النص الأصلي: الإنجليزية
Titanium alloy classification (alpha, beta, alpha-beta), Ti-6Al-4V properties, weldability, fatigue, corrosion, machining, aerospace and biomedical applications.
لغة النص الأصلي: الإنجليزية
Time-of-flight diffraction (TOFD) — diffraction mechanism (Huygens principle), probe separation (PCS), lateral wave and backwall signal, flaw depth measurement (time-of-flight formula), sizing accuracy (±1 mm), near-surface dead zone, TOFD for crack growth…
لغة النص الأصلي: الإنجليزية
Tolerance stack-up analysis — worst-case, RSS, DRSS, GD&T loop diagrams, clearance/interference calculation, Monte Carlo, ASME Y14.5, design for manufacture.
لغة النص الأصلي: الإنجليزية
Cutting tool life — Taylor's tool life equation (VTⁿ = C), extended Taylor equation (V×Tⁿ×fᵐ×aᵖ = C), tool wear mechanisms (abrasion, diffusion, adhesion, oxidation), wear progression (VB, KT, KM crater wear, notch wear), tool failure modes, wear criterion…
لغة النص الأصلي: الإنجليزية
Tool steel selection — AISI classification (W/O/A/D/S/H/T/M series), hot work vs. cold work vs. high speed steels, hardness vs. toughness trade-off, wear resistance mechanisms (carbide type and volume fraction), heat treatment (austenitizing, quenching,…
لغة النص الأصلي: الإنجليزية
Tool wear mechanisms — flank wear (V_B), crater wear, built-up edge, chipping, notch wear, Taylor tool life equation, cutting tool materials, wear monitoring, ISO 3685 standards.
لغة النص الأصلي: الإنجليزية
Topology optimization — SIMP method, compliance minimization, volume constraints, manufacturing constraints (overhang, symmetry, draw direction), density filter, lattice optimization, tools.
لغة النص الأصلي: الإنجليزية
Torque converter design and analysis — three-element fluid coupling (pump/impeller, turbine, stator/reactor), torque ratio K, speed ratio SR, efficiency η, capacity factor K_c, torque multiplication at stall, coupling point, lockup clutch, stall torque…
لغة النص الأصلي: الإنجليزية
Torsion spring design — angular rate, bending stress (not torsion), coil diameter change on deflection, end types, fatigue, Wahl correction.
لغة النص الأصلي: الإنجليزية
Torsion analysis — circular shafts, non-circular sections (Prandtl membrane analogy), thin-walled closed sections (Bredt's formula), power transmission, angle of twist, statically indeterminate torsion.
لغة النص الأصلي: الإنجليزية
Torsional vibration analysis — MDOF lumped model, natural frequencies, mode shapes, holzer method, excitation orders, resonance avoidance, damping, ISO 1940 balance.
لغة النص الأصلي: الإنجليزية