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A Practical Approach To The Exhaust Silencing Of A Pneumatic Rock Drill
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Book Synopsis A Practical Approach to the Exhaust Silencing of a Pneumatic Rock Drill by : Morton Gary Barth
Download or read book A Practical Approach to the Exhaust Silencing of a Pneumatic Rock Drill written by Morton Gary Barth and published by . This book was released on 1972 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: "One-third octave spectrum analyses of the exhaust noise produced by a medium sized pneumatic rock drill were obtained during free recriprocation to determine the most troublesome bands of noise. Noise reduction techniques were then used to design exhaust mufflers which would reduce the level of the exhaust noise to an acceptable level with a minimum increase in back pressure. The prototype mufflers evaluated included an expansion chamber, a resonator, and various modified expansion chambers. One of the modified expansion chambers tested provided very good attenuation reducing the exhaust noise from 113 dBA to 87 dBA at the operator's ear position. It caused only a slight increase in the back pressure and no detrimental effect on drill performance. The resonator muffler did not provide acceptable attenuation of the exhaust noise. Muffler development progressed under the assumption that icing would not be a problem. However, the icing characteristics of the final prototype muffler were studied and a possible method to prevent icing is suggested"--Abstract, leaf ii.
Book Synopsis Noise Reduction of a Pneumatic Rock Drill by : Aarne Visnapuu
Download or read book Noise Reduction of a Pneumatic Rock Drill written by Aarne Visnapuu and published by . This book was released on 1975 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPA 550/9 written by and published by . This book was released on 1975 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the MESA Noise Control Conference, St. Louis, Mo., November 11-12, 1975 by :
Download or read book Proceedings of the MESA Noise Control Conference, St. Louis, Mo., November 11-12, 1975 written by and published by . This book was released on 1976 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstracts of the 1971-1974 United States and Foreign Open Literature on Noise by : E. P. Bergman
Download or read book Abstracts of the 1971-1974 United States and Foreign Open Literature on Noise written by E. P. Bergman and published by . This book was released on 1976 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Federal Machinery Noise Research Development and Demonstration Programs: FY73 -FY75 by : Interagency Machinery Noise Research Panel
Download or read book Federal Machinery Noise Research Development and Demonstration Programs: FY73 -FY75 written by Interagency Machinery Noise Research Panel and published by . This book was released on 1975 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Investigations written by and published by . This book was released on 1975 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research panel reports by : United States. Office of Noise Abatement Control
Download or read book Research panel reports written by United States. Office of Noise Abatement Control and published by . This book was released on 1975 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Reporting Series written by and published by . This book was released on 1975 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis First Report on Status and Progress of Noise Research and Control Programs in the Federal Government by : United States. Office of Noise Abatement and Control
Download or read book First Report on Status and Progress of Noise Research and Control Programs in the Federal Government written by United States. Office of Noise Abatement and Control and published by . This book was released on 1975 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on Status and Progress of Noise Research and Control Programs in the Federal Government by : United States. Office of Noise Abatement and Control
Download or read book Report on Status and Progress of Noise Research and Control Programs in the Federal Government written by United States. Office of Noise Abatement and Control and published by . This book was released on 1975 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes reprints of reports prepared by various interagency noise research panels such as the Interagency Noise Effects Research Panel.
Book Synopsis Preventing Formation of Copper Alloys of Tin, Antimony, and Arsenic on Steel Surfaces During Reheating to Reduce Hot Shortness by : Mark I. Copeland
Download or read book Preventing Formation of Copper Alloys of Tin, Antimony, and Arsenic on Steel Surfaces During Reheating to Reduce Hot Shortness written by Mark I. Copeland and published by . This book was released on 1975 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impact of Hydrologic Modifications on Water Quality by :
Download or read book Impact of Hydrologic Modifications on Water Quality written by and published by . This book was released on 1975 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Preprint written by and published by . This book was released on with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise from Pneumatic Rock Drills by : John William Chester
Download or read book Noise from Pneumatic Rock Drills written by John William Chester and published by . This book was released on 1964 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies were made to determine the effect of the shape of a pneumatic-rock-drill exhaust muffler on its efficiency, and the origin and reduction of exit noise from the mufflers. The report describes the investigation of rock-drill noise abatement.
Book Synopsis Recovery of Mercury from Cinnabar Ores by Electrooxidation by : Aarne Visnapuu
Download or read book Recovery of Mercury from Cinnabar Ores by Electrooxidation written by Aarne Visnapuu and published by . This book was released on 1975 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guide to the Noise Control Literature by : Richard Kendall Miller
Download or read book Guide to the Noise Control Literature written by Richard Kendall Miller and published by . This book was released on 1980 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
