Research – MACH GROUP https://www.machgroup.co.uk Thu, 06 Feb 2014 17:59:00 +0000 en-GB hourly 1 https://wordpress.org/?v=5.9.13 https://www.machgroup.co.uk/wp-content/uploads/2017/08/cropped-Picture1-32x32.jpg Research – MACH GROUP https://www.machgroup.co.uk 32 32 Demonstration of Sound Level Difference through Window Opening https://www.machgroup.co.uk/demonstration-of-sound-level-difference-through-window-opening/ Thu, 06 Feb 2014 17:59:00 +0000 http://www.machgroup.co.uk/demonstration-of-sound-level-difference-through-window-opening/ When testing the performance of the NAT Vent Attenuator at Winford Primary School, we performed a noise break in assessment whilst opening a window. The video above illustrates the sound level difference has a steep decay from a small opening.

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]]> When testing the performance of the NAT Vent Attenuator at Winford Primary School, we performed a noise break in assessment whilst opening a window. The video above illustrates the sound level difference has a steep decay from a small opening. The post Demonstration of Sound Level Difference through Window Opening appeared first on MACH GROUP.

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]]> Finite-Difference Time-Domain Models of Open Windows https://www.machgroup.co.uk/finite-difference-time-domain-models-of-open-windows/ Mon, 18 Nov 2013 10:52:00 +0000 http://www.machgroup.co.uk/finite-difference-time-domain-models-of-open-windows/ An important area of research for MACH Acoustics, below are a few examples of a FDTD model we have produced to demonstrate various open window conditions. First a top swung window, notice the noise ingress into the room. The above but as a bottom swing. An open window representation. The above but with a internal […]

The post Finite-Difference Time-Domain Models of Open Windows appeared first on MACH GROUP.

]]> An important area of research for MACH Acoustics, below are a few examples of a FDTD model we have produced to demonstrate various open window conditions. First a top swung window, notice the noise ingress into the room. The above but as a bottom swing. An open window representation. The above but with a internal baffle. If you find this content interesting, why not arrange a CPD with MACH...

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