Impact of soil moisture on heat losses of pipelines of district heat supply networks at underground channel-free gasket

G Akhmerova, A Zalyalova… - IOP Conference Series …, 2020 - iopscience.iop.org
soil moisture volume on the thermal flows in the zone of underground channel-free thermal
pipelines, to determine … -scale hot-water tank and pit thermal energy storage systems Appl. …

A method for leak detection in buried pipelines based on soil heat and moisture

X Wang, L Liu, R Duan, Y Liu, Z Wei, X Yang… - … Heat and Mass Transfer, 2022 - Elsevier
underground heating pipeline taken from the actual engineering. By comparing the soil moisture
… The source term is composed of two parts: a viscous loss term and an inertial loss term. …

Soil temperature gradient as a useful tool for small water leakage detection from district heating pipes in buried channels

M Perpar, Z Rek - Energy, 2020 - Elsevier
… the channel cross-section heat loss. To mimic the … soil temperature gradient monitoring
through computation and measurements enabled the detection of minor leakages in a pipeline

Three-dimensional numerical model of heat losses from district heating network pre-insulated pipes buried in the ground

J Danielewicz, B Śniechowska, MA Sayegh, N Fidorów… - Energy, 2016 - Elsevier
… in modelling the energy losses of heating networks and to … the energy losses of underground
heating network pipelines … a three-dimensional analysis of heat losses, in steady state …

Numerical simulation of coupled heat, liquid water and water vapor in soils for heat dissipation of underground electrical power cables

E Kroener, A Vallati, M Bittelli - Applied Thermal Engineering, 2014 - Elsevier
underground power cable is based on its thermal analysis, … Latent heat transport is not only
related to changes in humidity … study is that when soil becomes very dry and hot, the matric …

Soil thermal conductivity prediction for district heating pre-insulated pipeline in operation

M Perpar, Z Rek, S Bajric, I Zun - Energy, 2012 - Elsevier
… was to determine the effect of the soil thermal conductivity … heat and power (CHP) while the
peak supply (S2) is a hot … , M is for soil moisture, C is for soil thermal conductivity and H is for …

The influence of soil moisture in the unsaturated zone on the heat loss from buildings via the ground

H Janssen, J Carmeliet, H Hens - Journal of Thermal …, 2002 - journals.sagepub.com
… cases, the coupling between soil heat transfer and soil moisture transfer is not taken into … ,
a fully coupled analysis of the influence of soil moisture on building heat loss via the ground is …

On transient heat losses from buried district heating pipes

B Bøhm - International journal of energy research, 2000 - Wiley Online Library
… -state heat loss determination from buried heating pipes has been … distribution in the ground,
taking into account the actual burial … steam pipelines. ORN/¹M9928. Oak Ridge National …

A comparison of different methods for in-situ determination of heat losses from district heating pipes

B Bøhm, M Borgström - 1996 - osti.gov
take into account the heat resistance at the ground surface. … before the measurements in a
guarded hot plate apparatus in … more precisely determine the moisture content and the thermal

Heat Transfer Models for a Subsurface, Water Pipe, Soil‐Warming System

JH Kendrick, JA Havens - Journal of Environmental Quality, 1973 - Wiley Online Library
… can be heated with an underground piping system carrying … the determination of the heat
loss from a buried piping system… observed that soil moisture will migrate away from a hot pipe, …