Super-long gravity heat pipe for geothermal energy exploitation-A comprehensive review

RS Anand, A Li, W Huang, J Chen, Z Li, Q Ma… - … and Sustainable Energy …, 2024‏ - Elsevier
One salient feature of the heat pipe system is its superior heat transfer efficiency, which
allows the transfer of significant amount of heat at near-zero temperature difference. In …

Sustainable utilisation and transformation of the thermal energy from coalfield fires: A comprehensive review

Y **ao, L Yin, Y Tian, SG Li, XW Zhai, CM Shu… - Applied Thermal …, 2023‏ - Elsevier
Coalfield fires provide high-temperature heat storage at relatively shallow depths, their
overburden and upper strata contain immense amounts of thermal energy, which is identical …

Experimental investigation of the path-dependent strength and deformation behaviours of frozen loess

Z Zhou, W Ma, S Zhang, Y Mu, G Li - Engineering Geology, 2020‏ - Elsevier
A series of triaxial shear, creep and relaxation tests with different stress paths were
conducted on frozen loess at a temperature of− 6° C in order to experimentally study the …

[HTML][HTML] Improvement on evaporation-condensation prediction of Lee model via a temperature deviation based dynamic correction on evaporation coefficient

Z Tan, Z Cao, W Chu, Q Wang - Case Studies in Thermal Engineering, 2023‏ - Elsevier
Lee model has been commonly accepted for modelling the mass transfer processes subject
to both evaporation or condensation. However, severe concern caused by improper setting …

An analytical model for the thermal conductivity of soils during a freezing process

J Bi, Z Wu, Y Zhang, H Wen, Y Shen, S Yang… - … Communications in Heat …, 2023‏ - Elsevier
The thermal conductivity of freezing soils (λ) plays a vital role in the analysis of heat and
water transfer in cold engineering regions. However, models for describing the variations in …

Numerical investigation on thermal performance enhancement mechanism of tunnel lining GHEs using two-phase closed thermosyphons for building cooling

C Li, G Zhang, S **ao, Y Shi, C Xu, Y Sun - Renewable Energy, 2023‏ - Elsevier
To date, the tunnel lining GHEs have encountered issues with the relatively low heat
exchange rate and the rapid decline of heat exchange rate with time. This is because the …

Numerical analysis of cooling performance of a novel structure affected by aeolian sand clogging on expressway embankment in permafrost regions

Q Ma, X Luo, F Niu, W Sun, T Lan, H **a - International Journal of Heat and …, 2022‏ - Elsevier
As an efficient and economical engineering measure, the inverted T-shaped crushed-rock
interlayer is used to protect the permafrost under expressway. Its cooling performance is …

Numerical evaluation for cooling performance of a composite measure on expressway embankment with shady and sunny slopes in permafrost regions

Q Ma, X Luo, J Gao, W Sun, Y Li, T Lan - Energy, 2022‏ - Elsevier
As an efficient engineering measure for protecting permafrost from thawing, the composite
measure composed of L-shaped two-phase closed thermosyphons (TPCTs), insulation …

Wind-driven device for cooling permafrost

Y Qin, T Wang, W Yuan - Nature Communications, 2023‏ - nature.com
Preserving permafrost subgrade is a challenge due to global warming, but passive cooling
techniques have limited success. Here, we present a novel wind-driven device that can cool …

Thermal performance and heat transfer process of an expressway embankment with horizontal-thermosyphons in permafrost regions

K Chen, M **, G Li, Y Liu, J Lu, Y Zhao, Q Yu - Cold Regions Science and …, 2023‏ - Elsevier
Two-phase closed thermosyphon (TPCT) has been considered to be an effective measure to
reduce soil temperatures and maintain engineering stabilities in permafrost, but …