rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    title: Performance assessment of a typical range hood ventilation system
  name:
    name part: Chen, Meinan
    role:
      role term: creator
    role:
      role term: author.
  name:
    name part: Pate, Michael B.
    role:
      role term: thesis advisor.
  name:
    name part: Texas A & M University
    role:
      role term: degree granting institution.
  type of resource: text
  genre: bibliography
  origin info:
    place:
      place term: txu
    date issued: 2015
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: remote
    extent: 1 online resource.
  abstract: This study assessed the real-world performance of a typical range-hood ventilation system by focusing on parameters such as duct pressure drop and range hood capture efficiency. The research can be divided into two parts, mathematical modeling and laboratory testing. For example, the pressure drop through a typical range hood ducting system and the capture efficiency of under-cabinet range hoods were modeled individually. For laboratory testing, the range hood was experimentally tested in two ducting configurations representing two typical installation strategies found in practice, namely flexible and rigid ducts exiting through walls and ceilings. The bulk of the effort in this project was the experimental phase, and it could be divided into a Case 1 and Case 2. In Case 1 three different lengths of flexible duct (32", 46", 75") and five different lengths of rigid duct (32", 46", 75", 119", 148") were mounted so as to exit a sidewall. In Case 2, rigid duct was vented through the roof by using the same duct lengths tested in Case 1. Pressure drops through the duct and vent cap were measured at different fan speed levels to produce system performance curves. These curves were overlaid with measured fan curves to find operating points (i.e. flow rate, and pressure drop) that represent real-world range-hood ventilation systems. This study provides the basis for system performance assessments and system design recommendations. The results of this study showed that the pressure drop through flexible ducting is larger than the pressure drop through rigid ducting of same length. The increased static pressure drop in flexible ducting had a negative impact on range hood performance, which results in a lower airflow rate and capture efficiency. By comparing the predicted and the actual results, it was found that the pressure drop measured in the experimental test is higher than that predicted by the mathematical model, which needs to be taken into consideration in future desig…
  note: by Meinan Chen.
  note: "Major Subject: Mechanical Engineering"
  note: Includes vita.
  note: Master of Science Texas A & M University 2015 http://hdl.handle.net/1969.1/155113
  note: Includes bibliographical references.
  note: Text (Thesis)
  subject:
    topic: Major Mechanical Engineering
  subject:
    topic: Range hood performance
  subject:
    topic: Pressure loss
  subject:
    topic: Flexible duct
  subject:
    topic: Vent cap
  identifier: http://hdl.handle.net/1969.1/155113
  record info:
    record content source: TXA
    record creation date: 160309
    record change date: 20170928112451.0
    record identifier: in00003615955
    language of cataloging:
      language term: eng