# Question: How does the length of a Fibre influence the yarn and the fabric?

Contents

## How does fibre length affect yarn manufacture and properties?

Fibres cannot contribute to yarn strength until their ends are bound by other fibres. Therefore, longer mean fibre length gives rise to increased yarn tenacity.

## Why longer fibre causes for enhance yarn strength?

Longer fibres, therefore, produce yarn with a greater twist loss, i.e. a lower actual twist. This factor can therefore further lead to reduction in the strength of yarns produced from long fibres.

## What does fibre length mean?

It may be defined as the upper quartile of the numerical length distribution from which some of the shortest fibres are eliminated by an arbitrary construction. The fibres eliminated are those shorter than half the effective length.

## How does strength of yarn depend on length of fiber?

It can be seen from the calculated values that yarn strength grows gradually with the increase of fiber length, and decreases with the increase of critical slipping length. In addition, the changing tendencies of simulated yarn strengths with different fiber lengths are coincident with the tested values.

## Which fibre length is more?

In general, a longer fiber length is preferred. Textile fibers are either staple or filament length. Staple fibers range from 2 to 46 cm; filament fibers are of infinite length. All natural fibers except silk are of staple length.

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## How do you calculate fiber length?

Estimate Fiber Distance

Fiber length = {[(-8.0dB) – (-34.0dB)] – [0.1dB × 5] – [0.75dB × 2] – [3.0dB]} / [0.4dB/km] = 52.5km. In this example, an estimated 52.5 km. distance is possible before dissipating the optical power to a value below the Rx sensitivity.