Textile Engineering
Technical & Performance Textiles
51 interactive Technical & Performance Textiles tools. Every one shows its formula, a worked example and the standards it follows.
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- Air, Sea or Split: Late Shipment Expedite Sheet Worth of Choosing Style by Style
- Brownfield Expansion: What the Next Increment Costs Shared Plant the Proposal Forces
- Built Into the Fibre or Applied to the Cloth: What Protection Costs Over a Life What Moving to the Cheapest Protection Saves
- Buyer Chargeback: Contest, Fix or Accept Recoverable a Year
- Buyer Cost to Serve & Development Recovery Net Margin After Serving the Book
- Buyer Quotation Generator Order Value
- Buyer Terms & Effective Price Comparison Best Offer, Once Its Terms Are Paid For
- Buyer Test Plan & Laboratory Budget Laboratory Cost for the Range
51
tools
Technical & Performance Textiles
Acoustic, Thermal & Metamaterial Textiles · Agrotextiles & Environmental Shielding · Carpet & Floor Coverings · Composites, Aerospace & Automotive Textiles · +5 more
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Acoustic, Thermal & Metamaterial Textiles 5
- Aerogel-Infused Fabric Thermal Conductivity Modeler Predicts the effective thermal conductivity of an aerogel-loaded fabric from its composition: Knudsen-suppressed gas conduction in the nanopores, the aerogel phase conductivity, the blended composite value, thermal resistance and clo for ultra-thin polar and space garments. Effective Conductivity W/m·K
- Automotive Headliner Sound Transmission Loss Predictor Predicts road noise blockage through a multi-layer headliner: total surface mass, mass-law transmission loss, the mass-air-mass resonance the foam core creates, the double-wall gain above it and the acoustic energy that still gets through. Sound Transmission Loss dB
- EMI Shielding Effectiveness of Metal-Coated Fabric Calculates radio and radar attenuation through conductive fabric: skin depth at the operating frequency, reflection and absorption losses separately, total shielding effectiveness in decibels and the field attenuation factor it represents. Shielding Effectiveness dB
- Infrared Signature Suppression & Thermal Contrast Calculator Models night-vision signature suppression: radiant exitance from emitted and reflected components, the apparent temperature a thermal imager reports, thermal contrast against the background, the contrast reduction low emissivity buys and detectability against a sensor threshold. Apparent Temperature °C
- Nonwoven Acoustic Baffle Absorption & Flow Resistivity Models a nonwoven acoustic panel from its fibre geometry: flow resistivity by the Bies and Hansen relation, normalised resistance, cavity reactance, absorption coefficient at a chosen frequency, the quarter-wave peak and total sabins per panel. Absorption Coefficient α
Agrotextiles & Environmental Shielding 5
- Anti-Hail Net Impact Energy & Cable Tension Calculator Models hail striking a tensioned orchard canopy: stone terminal velocity and mass, kinetic energy per impact, peak force from the net deflection, the tension it drives into the support cables and total storm energy per square metre. Impact Energy per Stone J
- Biodegradable Mulch Film Half-Life in Soil Predicts how fast PLA and PHA agricultural films break down: the degradation rate constant after temperature, moisture and thickness adjustment, half-life in the actual soil, mass remaining at the end of the season and time to reach a target residue. Field Half-Life days
- Greenhouse Thermal Screen Energy Saving Percentage Calculates night-time heating savings from an aluminised thermal screen: effective U-value allowing for incomplete closure, heat loss with and without the screen deployed, percentage energy saving, and nightly and seasonal energy saved across the house. Energy Saving %
- Insect Mesh Porosity vs Wind Load Drag Force Balances insect exclusion against structural wind load: mesh porosity and equivalent mesh count from the thread geometry, screen drag coefficient, pressure drop at the design wind speed, total force on the structure and the largest opening an insect must pass. Total Drag Force kN
- Shade Net PAR Transmission & Daily Light Integral Calculates the light actually reaching a crop under agricultural netting: transmitted photosynthetically active radiation, the effective PAR shade as distinct from the rated shade factor, daily light integral, surplus against the crop requirement and the diffuse share the net creates. Transmitted PAR µmol/m²/s
Carpet & Floor Coverings 7
- How Heavy a Carpet Has to Be Premium Separates the two things a carpet specification confuses - the weight of the pile and the density that actually carries the wear class - and prices the difference. Reports the lightest construction that still meets the class at the shortest pile the look allows, which qualities are built below the density their own class requires, and what a slightly thinner class would be worth to negotiate for. What the Weight You Do Not Need Is Worth cost/yr
- Axminster & Wilton Wire Height to Pile Yarn Consumption Synchronises wire height with pattern data on woven carpet looms: yarn taken by each surface tuft, tuft density from rows and frames, total pile yarn per square metre split into surface and buried yarn, and the wire height a finished pile height requires. Pile Yarn per Square Metre g/m²
- BCF Carpet Face Weight, Pile Yarn Consumption & Line Supply Turns tuft density, pile height and yarn count into pile yarn consumption and face weight in both metric and imperial, reports pile density and yarn cost per square metre, and converts a BCF line output in kilograms per hour into square metres of carpet a day. Face Weight g/m2
- Broadloom Latex Backing Coat Weight vs Tuft Bind Strength Optimises latex backing on tufted carpet: tuft bind strength from dry coat weight, margin over the required bind, the coat weight a target bind actually needs, wet pick-up at the given solids, latex per tuft and the drying energy the water carries away. Tuft Bind Strength N
- Carpet Flammability Radiant Panel Critical Flux Predictor Converts a radiant panel burn length into critical radiant flux per ASTM E648: flux in W/cm² and kW/m², margins against the Class I and Class II thresholds, the burn length Class I would require and the fraction of the specimen consumed. Critical Radiant Flux W/cm²
- Carpet Pile Density to Acoustic Absorption & Reverberation Translates carpet pile height, weight and underlay into room noise metrics: estimated NRC, pile bulk density, sabins added by the carpet, reverberation time with and without it, and the resulting steady-state noise reduction in decibels. Estimated NRC α
- Tufting Machine Gauge to Needles per Width & Tuft Density Converts tufting gauge and broadloom width into needle count, needle spacing in millimetres, tufts per square metre from the stitch rate, tufts inserted per minute, fabric take-off speed and area production. Needles Across Width no.
Composites, Aerospace & Automotive Textiles 7
- Carbon Prepreg Resin Content & Ply Thickness Calculator Converts prepreg fibre areal weight and resin content by weight into prepreg areal weight, resin areal weight, fibre and resin volume fractions, cured ply thickness and laminate density. Prepreg Areal Weight g/m²
- Parachute Canopy Permeability at Deployment Pressure Extrapolates canopy fabric permeability from the laboratory test differential to deployment pressure using a power law, giving the through-flow velocity, the multiplier over the certificate value and the total volumetric leakage across the canopy. Permeability at Deployment cfm/ft²
- Seatbelt Webbing Energy Dissipation & Elongation Modeler Balances occupant kinetic energy against webbing stretch: the restraint force the elongation implies, the deceleration in g, how much of the webbing break load it consumes and the elongation actually needed to stay inside that load. Average Restraint Force N
- Triaxial Woven Fabric Directional Strength Predictor Resolves the three yarn sets of a triaxial weave onto any test direction: strength along the axial direction, at the test angle and across it, the isotropy ratio the construction achieves, and the allowable load after a safety factor. Strength at Load Direction kN/m
- V50 Ballistic Limit from Fair-Fire Test Series Reduces a six-shot fair-fire series to a ballistic limit: V50 as the mean of the three highest partial and three lowest complete penetrations, the velocity spread against the acceptance limit, the zone of mixed results and the scatter of the series. Ballistic Limit V50 m/s
- VARTM Resin Infusion Flow & Fill Time Calculator Applies Darcy's law to vacuum infusion: fill time for a given flow length, the flow front velocity when it arrives, Darcy flux, and the longest flow path that will fill inside the resin's working life. Fill Time min
- Woven Roving Thickness & Laminate Stack Planner Converts fibreglass woven roving areal weight into cured ply thickness at a working fibre volume fraction, then plans the stack: plies for a target thickness, the laminate weight it builds and the resin it will draw. Cured Ply Thickness mm
Conservation, Forensics & Legal Textiles 5
- 45-Degree Flammability Burn Rate & Flame Spread Reconstructor Reconstructs flame spread from a 45-degree flammability test: burn rate in mm/s and m/min, margin against the Class 1 boundary, time to traverse a garment dimension, mass loss rate and an approximate heat release rate. Flame Spread Rate mm/s
- Capillary Wicking Distance & Time in Knit Structures Models directional capillary spread of a fluid through fabric: Washburn wicking distance along the wales after an elapsed time, the shorter across-course distance, the instantaneous advance rate, capillary driving pressure and the time to reach a measured stain dimension. Wicking Distance Along Wales mm
- Jacquard Pattern Repeat Matrix Match Validator Compares two woven or printed pattern repeats pixel by pixel: total repeat pixels, matched and mismatched counts, match percentage against a tolerance threshold, the match rate two unrelated designs would reach by chance, and the statistical significance of the excess. Match Percentage %
- Museum Textile Light Fading & Cumulative Lux-Hour Budget Calculates safe display exposure for historic textiles: annual lux-hour dose, the UV-weighted effective dose, the fading budget implied by a Blue Wool rating, years to a just-noticeable fade, the illuminance a target display life allows and the share of the annual budget being spent. Years to Just-Noticeable Fade years
- Radiocarbon Age Calculation for Cellulosic Textiles Converts a radiocarbon measurement on historic linen or cotton into a conventional age: activity fraction, mean life from the chosen half-life, isotopic fractionation correction, conventional radiocarbon age in years BP with its counting uncertainty, and the uncalibrated year. Conventional Radiocarbon Age years BP
Cordage, Ropes & Heavy Netting 5
- Climbing Rope Fall Factor & Impact Force Calculator Converts a fall into the force it delivers: fall factor from fall distance and rope paid out, peak impact force on a rigid anchor, the deceleration in g, rope stretch under that load and the energy the rope absorbs. Peak Impact Force kN
- Fishing Net Solidity & Towing Drag Calculator Calculates trawl net drag from mesh geometry and towing speed: solidity ratio, mesh opening, effective blocked area, total hydrodynamic drag force, drag per square metre and the towing power it demands. Net Drag Force kN
- Marine Hawser Minimum Breaking Load & Working Limit Calculator Sizes a mooring hawser: minimum breaking load from diameter and material factor, the spliced breaking load actually available, the working load limit after a design factor, and line weight and strength-to-weight for handling. Minimum Breaking Load kN
- Spliced Eye Termination Efficiency Calculator Compares rope terminations: strength retained by a splice against a knot, the advantage that represents, the additional bend loss over the eye at a given D/d ratio, and the working load the combination leaves. Spliced Strength kN
- Twisted Rope Lay Length & Strength Conversion Calculator Converts rope lay geometry into strength: helix angle from lay length and rope diameter, the cosine-squared twist efficiency it implies, total conversion efficiency after process losses, and the finished rope strength against the aggregate fibre strength. Finished Rope Strength kN
Geosynthetics & Civil Engineering 5
- Geogrid Pullout Resistance & Soil Friction Coefficient Calculates geogrid anchorage in a reinforced soil wall: pullout resistance from embedment length and overburden, the mobilised interface friction coefficient, factor of safety against the design tension and the embedment a target safety factor would need. Pullout Resistance kN/m
- Geomembrane Puncture Resistance under Hydrostatic Load Checks a geomembrane liner against subgrade protrusions: hydrostatic pressure at depth, the point force each stone collects, the cushion geotextile protection factor, factor of safety on puncture resistance and the cushion mass a target safety factor demands. Factor of Safety ×
- Geosynthetic Clay Liner Hydration Swell Index & Thickness Predicts GCL behaviour on hydration: free swell thickness from bentonite mass and swell index, the confinement factor under overburden, the thickness actually reached, restrained swell pressure and hydrated moisture content. Hydrated Thickness mm
- Turf Reinforcement Matrix Shear Stress & Channel Velocity Limits Checks a turf reinforcement mat against channel flow: applied boundary shear stress from depth and slope, Manning velocity, factor of safety on the permissible shear, the maximum flow depth the mat can hold and the discharge that goes with it. Applied Boundary Shear Pa
- Woven Geotextile Sieve Size vs Soil Particle Retention Derives the largest permissible geotextile opening size from a soil grading curve: uniformity and curvature coefficients, the gradation-dependent retention criterion, the maximum O95 allowed, and clogging and retention ratios for a candidate fabric. Maximum Permissible O95 mm
High-Performance Sports & Extreme Environments 7
- Built Into the Fibre or Applied to the Cloth: What Protection Costs Over a Life Premium Costs each route to a protective property - spun into the fibre, applied to the cloth, or applied and renewed - on the washes of protection it actually delivers rather than on the price of a garment. Reports the serviceable cloth retired with a failed finish and what it was worth, and whether the cheapest garment on the sheet is also the dearest protection on it. What Moving to the Cheapest Protection Saves cost/yr
- Multilayer Thermal & Vapour Stack Premium Adds a clothing system in series - every fabric layer and every trapped air gap between them - into total Rct, Ret, tog, clo and the Woodcock permeability index, then states it twice: as measured flat on a plate, and as worn once the gaps are compressed. Reports what share of the insulation is air rather than fabric, caps each gap at the thickness where convection begins, and reads the result against the insulation the stated conditions actually require. Insulation as Worn clo
- Cycling Aero-Suit Drag Area & Wattage Saving Predictor Estimates the aerodynamic benefit of a skinsuit: drag area after the fabric and seam contribution, baseline and reduced power at race speed, watts saved, the speed gain at constant power and time saved over a race distance. Power Saved W
- Fencing Plastron Puncture Resistance & Safety Margin Checks aramid fencing protection against broken blade puncture: resistance from areal density, layer count and blade tip sharpness, safety factor and margin against the required threshold, and the areal density or layer count the requirement demands. Puncture Resistance N
- High-Altitude Suit Hypobaric Moisture Transport Models sweat evaporation at extreme altitude: ambient pressure from the barometric profile, skin-to-air vapour pressure difference, evaporative resistance corrected for hypobaric diffusion, evaporative flux and capacity, and the sweat rate the metabolic load demands. Evaporative Capacity g/h
- Racing Suit Thermal Protective Performance & Escape Time Models flash fire protection in multi-layer aramid racewear: total TPP from base fabric, layer count and trapped air gap, incident heat flux, seconds to a second-degree burn, margin over the required escape time and the equivalent SFI rating. Time to Second-Degree Burn s
- Space Suit Multi-Layer Insulation Thermal Gradient Models EVA suit insulation between solar and deep-space extremes: effective emittance of the shield stack, radiative flux and total heat leak through the layers, equivalent conductance and thermal resistance, and the total load the cooling system must reject. Heat Leak Through Insulation W
Ropeway, Cable & Webbing Dynamics 5
- Aramid Hoist Belt Bending Fatigue Cycle Predictor Estimates the life of flat synthetic hoist belts over steel sheaves: bending strain from belt thickness and pulley diameter, cycles to retirement, bends accumulated per day, service life in days and years, and the sheave diameter a target life requires. Bending Cycle Life cycles
- Heavy-Lift Sling Working Load Limit by Hitch & Angle Works through webbing sling capacity for a lift: effective working load limit from hitch type, leg count and sling angle, actual tension per leg, utilisation against the rated capacity, horizontal crushing force and the shallowest angle the load permits. Effective Working Load Limit kN
- Paraglider Line Shrinkage & Aerodynamic Trim Distortion Models how ageing lines distort wing trim: absolute shortening of the front and rear cascades, the differential between them, the angle of attack change it produces, the resulting trim angle and the shift in trim speed. Angle of Attack Change °
- Slackline Webbing Tension, Sag & Anchor Force Modeler Calculates anchor loading on a tensioned line: tension from a walker at midspan and from the webbing self-weight separately, total line tension, sag angle, the multiple of body weight reaching the anchors and the minimum sag a tension limit requires. Line Tension kN
- Synthetic Winch Line Creep & Permanent Elongation Predicts viscoelastic creep in Dyneema and UHMWPE rope under sustained load: creep rate after load and temperature correction, accumulated permanent strain, elongation over the rope length and service hours to a retirement strain limit. Accumulated Creep Strain %
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