{"id":49098,"date":"2023-04-19T12:21:01","date_gmt":"2023-04-19T16:21:01","guid":{"rendered":"https:\/\/textiles.ncsu.edu\/?p=49098"},"modified":"2023-04-19T12:21:05","modified_gmt":"2023-04-19T16:21:05","slug":"tpacc-researchers-test-for-activewear-cooling-efficiency-accepted-as-industry-standard","status":"publish","type":"post","link":"https:\/\/textiles.ncsu.edu\/news\/2023\/04\/tpacc-researchers-test-for-activewear-cooling-efficiency-accepted-as-industry-standard\/","title":{"rendered":"TPACC Researchers\u2019 Test for Activewear Cooling Efficiency Accepted as Industry Standard"},"content":{"rendered":"\n

By Sean Cudahy<\/p>\n\n\n\n

We\u2019ve all experienced it, whether on a hot summer day, or during and after a workout. While outside in the heat or while exercising, clothes get sweaty and uncomfortable. Then, as the air conditioning blasts on the car ride home, your damp shirt suddenly becomes quite cold as it clings to your skin.<\/p>\n\n\n\n

It\u2019s a plight at the center of a novel test developed at the Textile Protection and Comfort Center<\/a> (TPACC) of NC State University\u2019s Wilson College of Textiles<\/a>. Designed to measure a fabric\u2019s evaporative cooling efficiency, the TPACC research team\u2019s work recently received a significant form of validation. ASTM International<\/a>, the globally recognized consensus standards organization, adopted the new TPACC method as a standardized test<\/a> for the development of clothing materials. The test could, someday soon, be a go-to option for the activewear industry.<\/p>\n\n\n\n

The breakthrough could prove useful to companies in evaluating the true effectiveness of their products, particularly as it relates to keeping athletes and other users cool and comfortable, whether they\u2019re running, lifting weights, competing, or otherwise out in the heat. Ultimately, it should be also a \u201cwin\u201d for consumers deciding what product to buy.<\/p>\n\n\n\n

\u201cWe get a lot of companies wanting to make claims about, \u2018This fabric can regulate temperatures,\u2019 or \u2018keeps you cool,\u2019 or does some other miraculous thing,\u201d TPACC Operations Director Shawn Deaton<\/a> says. \u201cIf you have a standard method behind any of your claims, it gives your claims a lot more strength.\u201d<\/p>\n\n\n\n

Filling an activewear industry gap<\/h3>\n\n\n\n

In the past, TPACC researchers say, companies have developed athletic-centered clothing while relying on tests that measure just one factor contributing to a product\u2019s cooling capacity, such as its breathability or effectiveness at wicking sweat away from the skin \u2014 components of comfort, to be sure, but far from the only factors.<\/p>\n\n\n\n

As such, there\u2019s been a \u201ccritical gap,\u201d notes Deaton and Barker\u2019s September 2022 journal article<\/a> in \u201cMedical and Science Technology\u201d <\/em>explaining their findings. It\u2019s a gap, they believe, their new test method fills.<\/p>\n\n\n\n

\"A
The hot plate and chamber that TPACC used to develop its new testing method.<\/figcaption><\/figure>\n\n\n\n

\u201cThere are very few tests that have ever really looked at the effects of evaporative cooling itself, and this test method does,\u201d says Roger Barker<\/a>, TPACC director and professor in the Wilson College of Textiles Department of Textile Engineering, Chemistry and Science.<\/p>\n\n\n\n

The TPACC test evaluates both how effective a fabric is at absorbing heat during the active sweating phase, and<\/strong> how efficiently moisture is then evaporated from the fabric after the activity ends.<\/p>\n\n\n\n

Put more plainly, the test measures not only how well, say, an activewear shirt, keeps you cool while you\u2019re exercising, but also how quickly it dries after the workout \u2014 a key factor in determining whether you end up feeling \u201ccold and clammy\u201d during the air conditioned car ride home, Barker says.<\/p>\n\n\n\n

A test driven by simulated sweat<\/h3>\n\n\n\n

Developed in TPACC\u2019s climate-controlled laboratories, the test method uses a \u201chot plate\u201d situated next to a piece of fabric to simulate a human sweating underneath a piece of clothing. Inside a chamber, researchers supply liquid to the bottom of the fabric and measure the latent heat the product absorbs during the \u2018active sweating\u2019 phase, as well as the efficiency with which the moisture then evaporates \u2014 all in a continuous, one-step procedure.<\/p>\n\n\n\n

With an eye on the most common types of athletic wear products on the market, TPACC\u2019s tests compared the cooling efficiency of 100% cotton fabric product material with that of polyester fabrics treated with a wicking finish. The tests found the latter fabric, similar to many \u2018dry fit\u2019 products today, was more effective through both facets of cooling.<\/p>\n\n\n\n

Part of a larger, comfort-driven mission <\/h3>\n\n\n\n

TPACC researchers hope this test will assist companies in the activewear industry in evaluating the true cooling capability of their products, ultimately bolstering marketing claims and making for a more positive end result for the wearer.<\/p>\n\n\n\n

\u201cIt could be used by industry to develop, for consumers, better fabrics and clothing for activewear, sportswear, and many other applications,\u201d Barker says.<\/p>\n\n\n\n

More broadly, the development of this test method also underscores the cutting-edge research produced by faculty experts alongside students at TPACC, a world leader in laboratory-based instrumented systems with several core focus areas ranging from flame, heat and chemical protection to comfort performance.<\/p>\n\n\n\n

\u201cThere are very few tests that have ever really looked at the effects of evaporative cooling itself, and this test method does.\u201d – TPACC Director Roger Barker<\/p><\/div><\/blockquote>\n\n\n\n

\u201cIt just shows that we\u2019re always evolving and trying to improve what\u2019s out there in the marketplace in terms of test methods and ways of evaluating comfort,\u201d Deaton says.<\/p>\n\n\n\n

While ASTM International accepted the test method as an industry standard in February 2023 following several modifications and improvements, Deaton, Barker and their team aren\u2019t done with their research. They\u2019re hoping to eventually support their findings with an actual wear study, during which human volunteers would wear particular garments in a controlled environmental chamber, and report on the products\u2019 cooling performance.<\/p>\n\n\n\n

\u201cWe still need to look at how our research translates,\u201d Barker says. \u201cBut based on our experience, we\u2019re very, very excited and hopeful about this.\u201d


<\/p>\n","protected":false,"raw":"\n\n\n\n\n

By Sean Cudahy<\/p>\n\n\n\n

We\u2019ve all experienced it, whether on a hot summer day, or during and after a workout. While outside in the heat or while exercising, clothes get sweaty and uncomfortable. Then, as the air conditioning blasts on the car ride home, your damp shirt suddenly becomes quite cold as it clings to your skin.<\/p>\n\n\n\n

It\u2019s a plight at the center of a novel test developed at the Textile Protection and Comfort Center<\/a> (TPACC) of NC State University\u2019s Wilson College of Textiles<\/a>. Designed to measure a fabric\u2019s evaporative cooling efficiency, the TPACC research team\u2019s work recently received a significant form of validation. ASTM International<\/a>, the globally recognized consensus standards organization, adopted the new TPACC method as a standardized test<\/a> for the development of clothing materials. The test could, someday soon, be a go-to option for the activewear industry.<\/p>\n\n\n\n

The breakthrough could prove useful to companies in evaluating the true effectiveness of their products, particularly as it relates to keeping athletes and other users cool and comfortable, whether they\u2019re running, lifting weights, competing, or otherwise out in the heat. Ultimately, it should be also a \u201cwin\u201d for consumers deciding what product to buy.<\/p>\n\n\n\n

\u201cWe get a lot of companies wanting to make claims about, \u2018This fabric can regulate temperatures,\u2019 or \u2018keeps you cool,\u2019 or does some other miraculous thing,\u201d TPACC Operations Director Shawn Deaton<\/a> says. \u201cIf you have a standard method behind any of your claims, it gives your claims a lot more strength.\u201d<\/p>\n\n\n\n

Filling an activewear industry gap<\/h3>\n\n\n\n

In the past, TPACC researchers say, companies have developed athletic-centered clothing while relying on tests that measure just one factor contributing to a product\u2019s cooling capacity, such as its breathability or effectiveness at wicking sweat away from the skin \u2014 components of comfort, to be sure, but far from the only factors.<\/p>\n\n\n\n

As such, there\u2019s been a \u201ccritical gap,\u201d notes Deaton and Barker\u2019s September 2022 journal article<\/a> in \u201cMedical and Science Technology\u201d <\/em>explaining their findings. It\u2019s a gap, they believe, their new test method fills.<\/p>\n\n\n\n

\"A
The hot plate and chamber that TPACC used to develop its new testing method.<\/figcaption><\/figure>\n\n\n\n

\u201cThere are very few tests that have ever really looked at the effects of evaporative cooling itself, and this test method does,\u201d says Roger Barker<\/a>, TPACC director and professor in the Wilson College of Textiles Department of Textile Engineering, Chemistry and Science.<\/p>\n\n\n\n

The TPACC test evaluates both how effective a fabric is at absorbing heat during the active sweating phase, and<\/strong> how efficiently moisture is then evaporated from the fabric after the activity ends.<\/p>\n\n\n\n

Put more plainly, the test measures not only how well, say, an activewear shirt, keeps you cool while you\u2019re exercising, but also how quickly it dries after the workout \u2014 a key factor in determining whether you end up feeling \u201ccold and clammy\u201d during the air conditioned car ride home, Barker says.<\/p>\n\n\n\n

A test driven by simulated sweat<\/h3>\n\n\n\n

Developed in TPACC\u2019s climate-controlled laboratories, the test method uses a \u201chot plate\u201d situated next to a piece of fabric to simulate a human sweating underneath a piece of clothing. Inside a chamber, researchers supply liquid to the bottom of the fabric and measure the latent heat the product absorbs during the \u2018active sweating\u2019 phase, as well as the efficiency with which the moisture then evaporates \u2014 all in a continuous, one-step procedure.<\/p>\n\n\n\n

With an eye on the most common types of athletic wear products on the market, TPACC\u2019s tests compared the cooling efficiency of 100% cotton fabric product material with that of polyester fabrics treated with a wicking finish. The tests found the latter fabric, similar to many \u2018dry fit\u2019 products today, was more effective through both facets of cooling.<\/p>\n\n\n\n

Part of a larger, comfort-driven mission <\/h3>\n\n\n\n

TPACC researchers hope this test will assist companies in the activewear industry in evaluating the true cooling capability of their products, ultimately bolstering marketing claims and making for a more positive end result for the wearer.<\/p>\n\n\n\n

\u201cIt could be used by industry to develop, for consumers, better fabrics and clothing for activewear, sportswear, and many other applications,\u201d Barker says.<\/p>\n\n\n\n

More broadly, the development of this test method also underscores the cutting-edge research produced by faculty experts alongside students at TPACC, a world leader in laboratory-based instrumented systems with several core focus areas ranging from flame, heat and chemical protection to comfort performance.<\/p>\n\n\n\n

\u201cThere are very few tests that have ever really looked at the effects of evaporative cooling itself, and this test method does.\u201d - TPACC Director Roger Barker<\/p><\/div><\/blockquote>\n\n\n\n

\u201cIt just shows that we\u2019re always evolving and trying to improve what\u2019s out there in the marketplace in terms of test methods and ways of evaluating comfort,\u201d Deaton says.<\/p>\n\n\n\n

While ASTM International accepted the test method as an industry standard in February 2023 following several modifications and improvements, Deaton, Barker and their team aren\u2019t done with their research. They\u2019re hoping to eventually support their findings with an actual wear study, during which human volunteers would wear particular garments in a controlled environmental chamber, and report on the products\u2019 cooling performance.<\/p>\n\n\n\n

\u201cWe still need to look at how our research translates,\u201d Barker says. \u201cBut based on our experience, we\u2019re very, very excited and hopeful about this.\u201d


<\/p>\n"},"excerpt":{"rendered":"

For years, there\u2019s been a \u201ccritical gap\u201d in the testing of activewear products. Now, a novel test developed within the Wilson College of Textiles is poised to be the industry standard.<\/p>\n","protected":false},"author":12,"featured_media":49108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"source":"","ncst_custom_author":"","ncst_show_custom_author":false,"ncst_dynamicHeaderBlockName":"ncst\/default-post-header","ncst_dynamicHeaderData":"{\"showAuthor\":true,\"showDate\":true,\"showFeaturedVideo\":false,\"caption\":\"\",\"displayCategoryID\":512}","ncst_content_audit_freq":"","ncst_content_audit_date":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[742,512,479],"tags":[1143,2327,504,1108,1382],"displayCategory":{"term_id":512,"name":"Research and Innovation","slug":"research-and-innovation","term_group":0,"term_taxonomy_id":512,"taxonomy":"category","description":"","parent":0,"count":224,"filter":"raw"},"acf":[],"yoast_head":"TPACC Researchers\u2019 Test for Activewear Cooling Efficiency Accepted as Industry Standard - Wilson College of Textiles<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/textiles.ncsu.edu\/news\/2023\/04\/tpacc-researchers-test-for-activewear-cooling-efficiency-accepted-as-industry-standard\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TPACC Researchers\u2019 Test for Activewear Cooling Efficiency Accepted as Industry Standard - Wilson College of Textiles\" \/>\n<meta property=\"og:description\" content=\"For years, there\u2019s been a \u201ccritical gap\u201d in the testing of activewear products. 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