Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review

The building water supply system is a fundamental unit in water supply systems as it is directly associated with end users. However, the studies available on its efficient design are limited. Water demand estimation continues to be an important issue in water supply systems' design because of i...

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Autores principales:	R. D. Mangalekar, K. S. Gumaste
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	building water supply system hunter's curve hydraulic reliability pipe sizing plumbing residential water demand Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
Acceso en línea:	https://doaj.org/article/1509366cfcfe4983bf696f4ad1ab35fe
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spelling	oai:doaj.org-article:1509366cfcfe4983bf696f4ad1ab35fe2021-11-06T07:14:45ZResidential water demand modelling and hydraulic reliability in design of building water supply systems: a review1606-97491607-079810.2166/ws.2021.021https://doaj.org/article/1509366cfcfe4983bf696f4ad1ab35fe2021-06-01T00:00:00Zhttp://ws.iwaponline.com/content/21/4/1385https://doaj.org/toc/1606-9749https://doaj.org/toc/1607-0798The building water supply system is a fundamental unit in water supply systems as it is directly associated with end users. However, the studies available on its efficient design are limited. Water demand estimation continues to be an important issue in water supply systems' design because of its multifaceted nature. Hunter's curve, or Fixture Unit method, is widely used for estimating the load on plumbing. Regardless of its popularity, it has a few drawbacks and is arbitrarily modified in some plumbing codes. Fixture-use probability, a basic entity in the Fixture Unit and some other methods, is a difficult parameter to estimate. Commonly, high-resolution field data is used for stochastic modelling of residential water demand which may not be always available. The paper reviews important residential water demand models in view of their applicability in building water supply system design. The irregular nature of water demand in buildings is due to uncertainty in water-use behaviour of users at fixture level. Use of soft-computing techniques can provide an advantage over the other methods in modelling such behaviour. The paper also discusses reliability of building water supply systems and applicability of some common indices for estimating reliability of building water supply systems. HIGHLIGHTS Mostly, residential water demand models use high-resolution field data.; Fixture use probability is obscure and difficult to estimate.; Estimation of hydraulic reliability of building water supply systems is required.; Accurate estimation of water demand is neither possible nor required in the design.; Estimation of water demand and hydraulic reliability are interdependent but complimentary aspects for efficient design.;R. D. MangalekarK. S. GumasteIWA Publishingarticlebuilding water supply systemhunter's curvehydraulic reliabilitypipe sizingplumbingresidential water demandWater supply for domestic and industrial purposesTD201-500River, lake, and water-supply engineering (General)TC401-506ENWater Supply, Vol 21, Iss 4, Pp 1385-1397 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	building water supply system hunter's curve hydraulic reliability pipe sizing plumbing residential water demand Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506
spellingShingle	building water supply system hunter's curve hydraulic reliability pipe sizing plumbing residential water demand Water supply for domestic and industrial purposes TD201-500 River, lake, and water-supply engineering (General) TC401-506 R. D. Mangalekar K. S. Gumaste Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
description	The building water supply system is a fundamental unit in water supply systems as it is directly associated with end users. However, the studies available on its efficient design are limited. Water demand estimation continues to be an important issue in water supply systems' design because of its multifaceted nature. Hunter's curve, or Fixture Unit method, is widely used for estimating the load on plumbing. Regardless of its popularity, it has a few drawbacks and is arbitrarily modified in some plumbing codes. Fixture-use probability, a basic entity in the Fixture Unit and some other methods, is a difficult parameter to estimate. Commonly, high-resolution field data is used for stochastic modelling of residential water demand which may not be always available. The paper reviews important residential water demand models in view of their applicability in building water supply system design. The irregular nature of water demand in buildings is due to uncertainty in water-use behaviour of users at fixture level. Use of soft-computing techniques can provide an advantage over the other methods in modelling such behaviour. The paper also discusses reliability of building water supply systems and applicability of some common indices for estimating reliability of building water supply systems. HIGHLIGHTS Mostly, residential water demand models use high-resolution field data.; Fixture use probability is obscure and difficult to estimate.; Estimation of hydraulic reliability of building water supply systems is required.; Accurate estimation of water demand is neither possible nor required in the design.; Estimation of water demand and hydraulic reliability are interdependent but complimentary aspects for efficient design.;
format	article
author	R. D. Mangalekar K. S. Gumaste
author_facet	R. D. Mangalekar K. S. Gumaste
author_sort	R. D. Mangalekar
title	Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
title_short	Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
title_full	Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
title_fullStr	Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
title_full_unstemmed	Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
title_sort	residential water demand modelling and hydraulic reliability in design of building water supply systems: a review
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/1509366cfcfe4983bf696f4ad1ab35fe
work_keys_str_mv	AT rdmangalekar residentialwaterdemandmodellingandhydraulicreliabilityindesignofbuildingwatersupplysystemsareview AT ksgumaste residentialwaterdemandmodellingandhydraulicreliabilityindesignofbuildingwatersupplysystemsareview
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Residential water demand modelling and hydraulic reliability in design of building water supply systems: a review

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