Textile air engineering - today and tomorrow

The importance of air enginerring systems for air conditioning in the modern textile mill is stressed. Equipment from Luwa is described and illustrated. Dust and waste handling systems are also described, including the operation of air filters and waste/dust separators.

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Analysis of the dimensional stability propertt of stripted single-jersey fabric

The effect of dyeing and finishing conditions on the dimensional stability and shrinkage of knited cotton striped single-jersey fabrics is investigated.

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The importance of waxing knitting yarns

The factors affecting the surface friction coefficient of knitting yarns are studied. The coefficient for well waxed yarns is up to 50％ lower than for non-waxed yarns. Samples are produced on automatic hosiery knitting machines, using 50 tex waxed and unwaxed cotton yarns at tensions of 5, 10 and 20cN. The yarn properties and the structu..

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Lease

To ensure good doffing from a beam, the threads on the outside surface of the last circumferential wrap around the heam are usually leased, or separated and held apart. Higher quality products can be obtained if two leases are applied. The first lease (cl

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Flow characteristics of an air-jet loom with a modified reed and auxiliary nozzles. I. Flow in a main nozzle

Flow may reach Mach 1 near needle tip in main nozzle and at acceleration tube exit when plenum tank pressure is increased. The critical pressure for needle tip velocity depends on acceleration tube length, but critical pressure producing exit Mach 1 is independent of tube length. Shock waves are generated in a tube of 70mm.

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Bending behaviour of plain-woven fabrics. III. The case of bi-linear thread-bending behaviour and the effect of fabric set

The two proposed models indicate a rapid increase in bending rigidity as the planar-fabric structure approaches jamming. Increased set increases bending rigidity. Experimental validation of the two models awaits data from more fabrics. Refinement of the models will require inclusion of yarn lateral compression and axial extension. For par..

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Bending behaviour of plain-woven fabrics. II. The case of linear thread-bending behaviour

An elastica-based computational model of plain fabrics in pure bending is developed. The threads are to be considered unset. For part I see abstract 91W/06163.

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Bending behaviour of plain-woven fabrics. I. A critical review

There are 37 references. There is still needed a theory which indicates inter-thread forces.

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the buckling of flexible sheets under tension. II. Experimental studies

Eighteen suiting fabrics were loaded along a centre line. Results support the theoretical analysis. For part I see abstract 91W/06147.

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The buckling of flexible sheets under tension. I. Theoretical analysis

When tension is applied non-uniformly buckling occurs - theoretical analysis of energies involved and sheet instability is presented.

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