Doc11

•Download as DOC, PDF•

0 likes•192 views

The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise stimulates the production of endorphins in the brain which elevate mood and reduce stress levels.

This document provides an overview of how liquid crystal displays (LCDs) work. It discusses how liquid crystals are neither fully solid nor liquid, but have properties of both. LCDs use liquid crystals and polarized filters to control the transmission of light and display images. The document covers the basic components of LCDs, including color filters to produce color displays, and how advances like active matrix displays improved image quality. It also provides a brief history of LCD development.

Automation in combers ppt

mukul chandel

The document discusses recent developments in combers. It outlines new features such as the SB D 22 + E 35 Omega lap that provides homogeneous batt build-up and even tension. Production has increased to 520kg/hr with higher batt weights up to 80g/m. Nippers now open more than 8 times per second and have reduced vibrations. Advanced ri-q combs have up to 900 points per inch and ensure consistent combing. New detaching rollers and feed mechanisms improve quality and reduce waste.

Humidity sensors

mukul chandel

Humidity sensors have many applications in industries like semiconductor manufacturing, medical equipment, automobiles, agriculture, and general industry. There are different types of humidity sensors classified by their measurement techniques, including relative humidity sensors and absolute humidity sensors. Relative humidity sensors can be ceramic, semiconductor, or polymer-based, with ceramic sensors being the most common type. Ceramic humidity sensing materials include Al2O3, TiO2, SiO2, spinel compounds, and other materials like MnWO4 and Fe2O3. Each material has advantages and limitations for humidity detection depending on factors like temperature range, response time, and minimum detectable humidity level.

Mukul

mukul chandel

This document discusses electromagnetic radiation (EMR) and electromagnetic shielding materials (EMS). It defines EMR and its classification. It describes the sources and hazards of EMR. Parameters that affect EMR shielding effectiveness are discussed. Various EMS materials like conductive fabrics and their production techniques are explained. Standards for measuring EMS effectiveness are summarized. The increasing use of electronics and need to reduce EMR hazards is noted.

Thermal protection

mukul chandel

This document discusses chemical protective clothing and its requirements. It describes the different levels of chemical protection from A to D, with level A providing the highest level of encapsulation and respiratory protection. It also covers various textile and material types used for chemical protective clothing like flashspun polyethylene, SMS polypropylene, unsupported rubbers and plastics, and microporous films. Design features like seams, closures, and visors are also discussed. Finally, various ASTM test methods for evaluating chemical protective clothing performance are listed.

Protective textile

mukul chandel

The document discusses protective clothing and textiles used for industrial, military, and safety applications. It describes different types of protective fabrics that provide protection from heat, chemicals, bacteria, electricity, radiation, and ballistic threats. The textiles are designed for light weight, durability, comfort, and various functional properties depending on the intended use and environmental conditions. Future protective clothing aims to improve protection, comfort, compatibility between layers, reduce weight and costs, and integrate multiple functionalities into fewer layers.

The document provides definitions for various fiber and textile terms. It defines terms related to fiber properties like abrasion resistance, air permeability, and flame resistance. It also defines textile manufacturing processes like air jet spinning, beaming, braiding, dyeing, and finishing. Finally, it defines various types of yarns, fabrics, and other materials like aramid fiber, bi-directional fabric, carbon fiber, core-spun yarn, and geotextiles. In total, the document defines over 100 key terms in fiber science and textile engineering.

Automation

mukul chandel

The document discusses automation in manufacturing through automation. It notes that metrics like return on net assets are increasingly scrutinized, requiring improved efficiency and agility. Automation can help control costs like labor, materials, and utilities while improving productivity, quality, and record keeping. Proper automation requires identifying needs and feasibility, selecting flexible systems, and considering performance factors. The textile industry in particular stands to benefit from automating processes like dyeing that require precise control of multiple parameters. Case studies show how automating systems at a textile plant improved consistency, reduced costs and waste, and increased productivity.

Enzymes in textile preparatory process

mukul chandel

The document discusses the use of enzymes in textile processing. It begins by explaining what enzymes are and provides examples of some common textile processing enzymes like amylases, catalases, lipases, pectinases, proteases and cellulases. These enzymes are used to perform functions like desizing cotton by removing starch with amylases, removing hydrogen peroxide with catalases, and scouring cotton with a mixture of lipases, pectinases, proteases and cellulases. Enzymatic processes provide advantages for the textile industry by reducing water and energy consumption compared to traditional chemical methods.

mukul chandel

Mukul seminar final

mukul chandel

This document provides information on recent developments in card wire clothing used in carding machines. It discusses five main types of card wire clothing - cylinder wire, doffer wire, flat tops, licker-in wire, and stationary flats. For each type, it describes the key characteristics like tooth geometry, pitch, angle, and material composition that affect carding performance. It also introduces new cylinder wire profiles and integrated grinding systems that help maintain optimal carding conditions and minimize downtime for wire maintenance.

Card mukul

mukul chandel

This document discusses the geometry of card wires used in carding machines. It covers the different types of wires including cylinder, doffer, licker-in, and flat top wires. Important parameters that affect carding quality like tooth depth, pitch, base thickness, front and back angles are explained. Different steel alloys used in manufacturing card wires based on their applications are also outlined. Maintaining optimal wire geometry tailored to fiber characteristics is key to efficient fiber control and high quality carding.

36983795 14073309-l-oreal-ppt-new

mukul chandel

L'Oreal is the world's largest cosmetics company founded in 1909. It has a global market share of 17% and owns brands like Garnier, Maybelline, Lancome, and The Body Shop. The document analyzes L'Oreal's market presence in India through its 4Ps - extensive product lines, viral marketing promotions, competitive pricing, and wide distribution channels. It finds that L'Oreal has approximately 20-22% market share in the Indian lip color market and is in the growth stage of its product lifecycle with 40% sales increases and heavy advertising investments.

Mukul & chirag

mukul chandel

This document discusses rotor spinning and the importance of the navel component. It covers the history of rotor spinning, the key components of a rotor spinning system including the opening roller, rotor, and navel. The navel plays a crucial role by inserting twist into the yarn and determining yarn characteristics. Different navel designs and parameters like the number of notches, surface geometry, and radius can impact properties of the spun yarn such as evenness, imperfections, hairiness, tenacity, and elongation. Fiber parameters and blend also influence navel selection for rotor spinning.

Filtration (1)

mukul chandel

This document discusses filtration theory, including definitions of filtration, objectives of filtration, types of filtration collections and fibers used. It describes filtration efficiencies of different collector types and how yarn characteristics and weaves influence efficiency. The document outlines manufacturing methods, classifications of filtration, design considerations and testing of filters. It concludes that the optimal filter fabric depends on the specific use and conditions.

Mukul chandel geotextile (2)

mukul chandel

Geotextiles are permeable fabrics used with soil, rock, earth, and other geotechnical engineering related material as an interface. The document discusses the functions, classification, production process, forms, properties of fibers, and applications of geotextiles. Geotextiles are used for separation, filtration, drainage, reinforcement, protection, and erosion control in applications such as roads, railways, retaining walls, slopes, shorelines, and landfills. Common materials used include polypropylene, polyester, and natural fibers like jute. Geotextiles come in various forms like geomembranes, geogrids, geonets, and geocomposites.

Doc11

Recommended

Recommended

More Related Content

More from mukul chandel

More from mukul chandel (10)