Validation of a Hot Water Distribution Model Using Laboratory and Field Data

Backman, C.; Hoeschele, M.

doi:10.2172/1220208

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…Typical meteorological year data for each climate was used to drive the model with outdoor ambient air temperature, humidity, pressure, and inlet water mains temperature. Hot water usage was adjusted for each climate (ranging from -4% in Phoenix to +7% in Chicago) to adjust for variable distribution loss impacts due to climate (Backman and Hoeschele 2013). During model validation, the monitored recirculation flow rate and temperatures were fed into the system as inputs.…”

Section: Evaluation Approachmentioning

confidence: 99%

Multifamily Heat Pump Water Heater Evaluation

Hoeschele¹,

Weitzel²

2017

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The work presented in this report does not represent performance of any product relative to regulated minimum efficiency requirements. The laboratory and/or field sites used for this work are not certified rating test facilities. The conditions and methods under which products were characterized for this work differ from standard rating conditions, as described. Because the methods and conditions differ, the reported results are not comparable to rated product performance and should only be used to estimate performance under the measured conditions. v Contents List of Figures .

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Section: Evaluation Approachmentioning

confidence: 99%

Multifamily Heat Pump Water Heater Evaluation

Hoeschele¹,

Weitzel²

2017

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“…In a 2013 Building America study (Backman and Hoeschele 2013), Davis Energy Group used the 2006 Hiller lab data to validate the new TRNSYS pipe model. The distribution system from the Maguire NREL study was enhanced with the new pipe element model and adjusted to match the distribution layout in an NREL monitored project (Solar Row in Boulder, Colorado), where detailed distribution system flow and temperature measurements were completed (Backman and Hoeschele 2013). The model was then validated with the Solar Row data to drive the TRNSYS model and was shown to be very robust in terms of observed distribution losses and energy consumption relative to monitored data over a several month period when monitoring data were available.…”

Section: Background and Motivationmentioning

confidence: 99%

Evaluating Domestic Hot Water Distribution System Options With Validated Analysis Models

Weitzel¹,

Hoeschele²

2014

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“…Typical Meteorological Year data (TMY3) for each climate were used to drive the model with outdoor ambient air temperature, humidity, pressure, and inlet water mains temperature. Hot water usage was adjusted for each climate (ranging from -4% in Phoenix to +7% in Chicago) to adjust for variable distribution loss impacts due to climate (Backman and Hoeschele 2013). During model validation, the monitored recirculation flow rate and temperatures were fed into the system as an input.…”

Section: Evaluation Approachmentioning

confidence: 99%