Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Detergents in drainage systems for buildings.

D P Campbell1, K D MacLeod

  • 1Department of Building Engineering & Surveying, Heriot-Watt University, Edinburgh, Scotland, UK. d.p.campbell@hw.ac.uk

Water Research
|March 10, 2001
PubMed
Summary

Current building drainage design standards may overestimate soil waste vent (SWV) system performance. Warm, detergent-laden wastewater significantly increases airflow, potentially leading to trap seal failure, unlike clean water tests.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The prevalence of apoptotic keratinocytes in equine epidermis: a retrospective light-microscopic study of skin-biopsy specimens from 253 horses with normal skin or inflammatory dermatoses.

Journal of veterinary medicine. A, Physiology, pathology, clinical medicine·2004
Same author

Development of a rapid response biosensor for detection of Salmonella typhimurium.

Journal of food protection·1999
Same author

Accuracy of two pulse oximeters during maximal cycling exercise.

Australian journal of science and medicine in sport·1997
Same author

Reduced performance of male and female athletes at 580 m altitude.

European journal of applied physiology and occupational physiology·1997
Same author

Increased arterial desaturation in trained cyclists during maximal exercise at 580 m altitude.

Journal of applied physiology (Bethesda, Md. : 1985)·1996
Same author

The desire for multiple births in couples with infertility problems contradicts present practice patterns.

Human reproduction (Oxford, England)·1995

Area of Science:

  • Building Services Engineering
  • Fluid Dynamics
  • Environmental Engineering

Background:

  • Current soil waste vent (SWV) system design relies on steady-state experiments with clean water.
  • Wastewater often contains detergents and is warm, altering fluid dynamics compared to clean water.
  • Existing design guides may not accurately predict SWV system performance under real-world conditions.

Purpose of the Study:

  • To quantify the impact of detergents and temperature on airflow and air entrainment in SWV systems.
  • To improve the accuracy of SWV system design by accounting for realistic wastewater conditions.
  • To develop a simulation model for unsteady, partially filled pipe flows in drainage systems.

Main Methods:

  • Experimental analysis of airflow and air entrainment in SWV systems using warm, detergent-dosed water.

Related Experiment Videos

  • Integration of previous research on air entrainment factors into dimensionless groupings.
  • Development of a mathematical simulation model using a finite difference scheme and the method of characteristics.

    • Main Results:

    • Induced airflows in warm, detergent-dosed water can be over twice as high as in clean water systems.
    • Detergents and elevated temperatures significantly increase air entrainment rates.
    • The study provides data for a more accurate simulation of SWV system dynamics.

    Conclusions:

    • Current SWV system design guides, based on clean water, are insufficient for accurately predicting performance with real wastewater.
    • Accounting for detergent and temperature effects is crucial for preventing trap seal failure.
    • The developed simulation model offers a pathway to more robust and reliable drainage system design.