17
BBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering Division THE BRITISH BROADCASTING CORPORATION Research Department Report

Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering

  • Upload
    others

  • View
    0

  • Download
    0

Embed Size (px)

Citation preview

Page 1: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering

BBC RD 1992/11

A MODULAR WIDEBAND SOUND ABSORBER

G. D. Plumb, M.A. (Cantab.)

Research Department, Engineering Division THE BRITISH BROADCASTING CORPORATION

Research Department

Report

Page 2: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 3: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 4: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 5: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 6: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering

© BBC 2003. All rights reserved. Except as provided below, no part of this document may be reproduced in any material form (including photocopying or storing it in any medium by electronic means) without the prior written permission of BBC Research & Development except in accordance with the provisions of the (UK) Copyright, Designs and Patents Act 1988.

The BBC grants permission to individuals and organisations to make copies of the entire document (including this copyright notice) for their own internal use. No copies of this document may be published, distributed or made available to third parties whether by paper, electronic or other means without the BBC's prior written permission. Where necessary, third parties should be directed to the relevant page on BBC's website at http://www.bbc.co.uk/rd/pubs/ for a copy of this document.

Page 7: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 8: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 9: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 10: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 11: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 12: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 13: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 14: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 15: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 16: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering
Page 17: Research Department Report - BBCdownloads.bbc.co.uk/rd/pubs/reports/1992-11.pdfBBC RD 1992/11 A MODULAR WIDEBAND SOUND ABSORBER G. D. Plumb, M.A. (Cantab.) Research Department, Engineering