{"id":3084,"date":"2020-08-21T13:57:43","date_gmt":"2020-08-21T12:57:43","guid":{"rendered":"https:\/\/novacom.group\/csrf\/?post_type=outputs&#038;p=3084"},"modified":"2020-11-19T11:31:39","modified_gmt":"2020-11-19T11:31:39","slug":"trailer-aerodynamics","status":"publish","type":"outputs","link":"https:\/\/novacom.group\/csrf\/outputs\/trailer-aerodynamics\/","title":{"rendered":"Trailer aerodynamics"},"content":{"rendered":"\n<section class=\"wp-block-uagb-section uagb-section__wrap uagb-section__background-undefined uagb-block-fef45b4b\"><div class=\"uagb-section__overlay\"><\/div><div class=\"uagb-section__inner-wrap\">\n<section class=\"wp-block-uagb-columns uagb-columns__wrap uagb-columns__background-undefined uagb-columns__stack-mobile uagb-columns__valign-undefined uagb-columns__gap-10 alignundefined uagb-block-6d4a608a case-studies\"><div class=\"uagb-columns__overlay\"><\/div><div class=\"uagb-columns__inner-wrap uagb-columns__columns-2\">\n<div class=\"wp-block-uagb-column uagb-column__wrap uagb-column__background-undefined uagb-block-54646ef5\"><div class=\"uagb-column__overlay\"><\/div><div class=\"uagb-column__inner-wrap\">\n<h3 class=\"output-sum-header\">Project output<\/h3>\n\n\n\n<p>A package of measures for improving the aerodynamics of single and double-deck refrigerated semi-trailers, including cab gap devices, side skirts, wheel covers, bumpers, wheel flow deflectors, optimised under-body flows and rear end taper.<\/p>\n\n\n\n<h3 class=\"mt-5 output-sum-header\">Results<\/h3>\n\n\n\n<p>A combination of an air deflector matched to the trailer height and a cab gap fin was found to reduce aerodynamic drag by 5%. Side skirts are very effective drag-reducing devices. Their optimum height is aligned with the wheel axis. Adding bluff bodies to the underbody does not necessarily increase drag and may potentially improve aerodynamics. Further reductions of approximately 7% may be obtained by tapering the rear, where the optimum taper angle is 9\u00ba.<\/p>\n\n\n\n<div class=\"wp-block-uagb-columns uagb-columns__wrap uagb-columns__background-undefined uagb-columns__stack-none uagb-columns__valign-undefined uagb-columns__gap-0 alignundefined uagb-block-c0bcb921\"><div class=\"uagb-columns__overlay\"><\/div><div class=\"uagb-columns__inner-wrap uagb-columns__columns-1\">\n<div class=\"wp-block-uagb-column uagb-column__wrap uagb-column__background-undefined uagb-block-bc7264e1\"><div class=\"uagb-column__overlay\"><\/div><div class=\"uagb-column__inner-wrap\">\n<section class=\"wp-block-uagb-section uagb-section__wrap uagb-section__background-color uagb-block-64cbf82e\"><div class=\"uagb-section__overlay\"><\/div><div class=\"uagb-section__inner-wrap\">\n<p class=\"sum-copy\">% fuel saving<\/p>\n\n\n\n<span class=\"sum-icon icon-star\"><\/span><span class=\"sum-icon icon-star\"><\/span>\n\n\n\n<p class=\"pt-2\">At highway speeds, a 5% reduction in fuel consumption may be achieved with cab gap devices and a further 7% with rear end tapering.<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<p class=\"sum-copy\">% CO<sub>2<\/sub>e Saving<\/p>\n\n\n\n<span class=\"sum-icon icon-star\"><\/span><span class=\"sum-icon icon-star\"><\/span>\n\n\n\n<p class=\"pt-2\">% Carbon saving is equal to the fuel saving.<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<p class=\"sum-copy\">Cost of implementation<\/p>\n\n\n\n<span class=\"sum-icon icon-gbp\"><\/span><span class=\"sum-icon icon-gbp\"><\/span>\n\n\n\n<p class=\"pt-2\">Aerodynamic double-deck trailers cost approx. \u00a38,000 more than the standard vehicles, with an estimated payback period of 1.8 years.<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<p class=\"sum-copy\">Implementation strategy<\/p>\n\n\n\n<span class=\"sum-icon icon-tick\"><\/span><span class=\"sum-icon icon-tick\"><\/span><span class=\"sum-icon icon-tick\"><\/span>\n\n\n\n<p class=\"pt-2\">Implement now. Designs are available from the research team.<\/p>\n<\/div><\/section>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-column uagb-column__wrap uagb-column__background-undefined uagb-block-d4143107 related\"><div class=\"uagb-column__overlay\"><\/div><div class=\"uagb-column__inner-wrap\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"746\" height=\"559\" src=\"https:\/\/novacom.group\/csrf\/wp-content\/uploads\/2020\/08\/trailer-aero.jpg\" alt=\"\" class=\"wp-image-3085\" srcset=\"https:\/\/novacom.group\/csrf\/wp-content\/uploads\/2020\/08\/trailer-aero.jpg 746w, https:\/\/novacom.group\/csrf\/wp-content\/uploads\/2020\/08\/trailer-aero-300x225.jpg 300w\" sizes=\"(max-width: 746px) 100vw, 746px\" \/><\/figure><\/div>\n<\/div><\/div>\n<\/div><\/section>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":3085,"template":"outputs.php","categories":[],"tags":[],"output_types":[13],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.4 - 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