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Purdue University

Investigation of Noise Sources and Propagation in External Gear Pumps

Abstract

dc:description.abstract

Oil hydraulics is widely accepted as the best technology for transmitting power in many engineering applications due to its advantages in power density, control, layout flexibility, and efficiency. Due to these advantages, hydraulic systems are present in many different applications including construction, agriculture, aerospace, automotive, forestry, medical, and manufacturing, just to identify a few. Many of these applications involve the systems in close proximity to human operators and passengers where noise is one of the main constraints to the acceptance and spread of this technology.

Degree

thesis:*
Name thesis:degree_name
Doctor of Philosophy (PhD)
Level thesis:degree_level
Dissertation
Discipline thesis:degree_discipline
Agricultural and Biological Engineering
Year
2015

Author and committee

dc:creator, dc:contributor.*
Author dc:creator
  • Opperwall, Timothy John
Contributors dc:contributor
  • Andrea Vacca
  • Monika Ivantysynova
  • J. Stuart Bolton
  • John Lumkes

Subjects

dc:subject × 4

Identifiers

dc:identifier.*
OAI identifier oai:identifier
oai:docs.lib.purdue.edu:open_access_dissertations-2355

Chain of custody

source
Harvested from
Purdue University
Base URL
docs.lib.purdue.edu/do/oai/
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Opperwall, Timothy John. Investigation of Noise Sources and Propagation in External Gear Pumps. Dissertation thesis, 2015. https://docs.lib.purdue.edu/open_access_dissertations/1139