Thermosyphon Cooling of Chena Hot Springs Road

Forsström, Anna; Long, Erwin L.; Zarling, John P.; Knutsson, Sven

doi:10.1061/40621(254)55

Cited by 12 publications

(6 citation statements)

References 1 publication

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“…A patent application was submitted for this idea by [179], with the purpose beingto develop a thermosiphon that is able to function effectively, with the elongated evaporator having a positive or negative slope. Sixteen single evaporator units with vertical finned condenser sections were installed and tested in the Chena Hot Springs Road project in 1998 [180]. The evaporator pipes consisted of a 65 mm nominal diameter and a length of either 12.8 m or 14.0 m. They were connected to an 80 mm nominal diameter, 2.4 m long-finned condenser section with an area of 6.5 m 2 .…”

Section: Condenser and Evaporator Designmentioning

confidence: 99%

“…It was found, after a winter of operation, that the flat evaporator unit froze 1.4 times more soil volume than the sloped evaporator unit. Twelve flat evaporators units were installed and tested in Chena Hot Springs Road [180]. This was part of a demonstration project of three new types of thermosiphons, including vertical, flat loop, and buried.…”

Section: Condenser and Evaporator Designmentioning

confidence: 99%

“…This technique makes use of a buried GCT beneath the ground surface, providing an opportunity for road and runway installations that result in no surface safety hazards [8]. Experimental works done on buried and hairpin GCTs were published by [54,180]. Probes were installed in the ground beneath the embankments and on the condenser and evaporator pipes of one of the hairpin thermosiphons.…”

Section: Condenser and Evaporator Designmentioning

confidence: 99%

See 2 more Smart Citations

Ground-Coupled Natural Circulating Devices (Thermosiphons): A Review of Modeling, Experimental and Development Studies

et al. 2019

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Compared to conventional ground heat exchangers that require a separate pump or othermechanical devices to circulate the heat transfer fluid, ground coupled thermosiphons or naturallycirculating ground heat exchangers do not require additional equipment for fluid circulation in theloop. This might lead to a better overall efficiency and much simpler operation. This paper providesa review of the current published literature on the different types of existing ground coupledthermosiphons for use in applications requiring moderate and low temperatures. Effort has beenfocused on their classification according to type, configurations, major designs, and chronologicalyear of apparition. Important technological findings and characteristics are provided in summarytables. Advances are identified in terms of the latest device developments and innovative conceptsof thermosiphon technology used for the heat transfer to and from the soil. Applications arepresented in a novel, well-defined classification in which major ground coupled thermosiphonapplications are categorized in terms of medium and low temperature technologies. Finally,performance evaluation is meticulously discussed in terms of modeling, simulations, parametric,and experimental studies.

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Section: Condenser and Evaporator Designmentioning

confidence: 99%

Section: Condenser and Evaporator Designmentioning

confidence: 99%

Section: Condenser and Evaporator Designmentioning

confidence: 99%

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Ground-Coupled Natural Circulating Devices (Thermosiphons): A Review of Modeling, Experimental and Development Studies

et al. 2019

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“…Performance testing of thermo-syphons with inclined evaporator sections has been conducted (Zarling and Haynes, 1985;Haynes and Zarling, 1988a). Recent developments allow thennosyphons to operate with the evaporator section horizontal including undulations in this pipe (Haynes et aI., 1992b;Zarling ,I9Q9;Forsstrom et at, 2002;Yannak: and Long, 2002) by modifications internal to the unit An all-below-ground unit has also been developed with the evaporator section installed vertically and the condenser section installed near horizontally, (Yarmak and Long, 2002;Forsstrom et al, 2002). The application is within a roadway embankment with the condenser section just below the surface of the road and above a layer of insulation.…”

Section: Generalmentioning

confidence: 99%

Thermal Analysis, Construction, and Monitoring Methods for Frozen Ground

Esch¹

2004

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FOREWORD111C ASCE Tt.~hnical Council ()n Cold Regions Erlgineering (TCCRE) }u;1.S established the Technic.al C()nlmittee on Frozen Ground f()r the purpose of~ncouraging development of new scientific and engineering knowledge of freezing and thawing of soil-water systenls and perrnancntly frozen ground, and fostering dissemination of this knowledge. To help accolnplish these objectives, TCCRE is publishing a series of Monographs on various cold regions engineering subjects. Each monograph reviews the state of the practice within a defined area through a set ofpapers written by invited experts in the field.This Monograph is the ninth in the series and the first of the 21 st century. It focuses on the methods used to control freezing and thawing of soils in engineered facilities, on the calculations used to predict the thennal consequences and analyze the benefits of various approaches, and on the field monitoring methods used to monitor thennal perfonnance. Much of itVlas drawn from an earlier Il1oI1ograph, published by ASCE in 1985, and titk.xi 111errnal Design Con.siderations in rrozenGrc>1l11d Engillt~(}ring. AU of the nine chapters in thnt volUlne w(..,-e incorporated in th.is new nlon{)graph. . with Illost ()f thetll being extensively reviSt.'"d and updated. Four new chapters were ndded t<) cover rt,~ent devel()pments in this field, including un overview of the toreca~ts and anticipatt..xl cOI1St-quences ()f cliu18te change on cold regions.Many people were inv()lved in the preparatit)n of this rl1onognlph. 111e chapter ,1uthQrs are tt) be given mc)st of the credit and the fact that many are Il{)t AseE Inenlbers is particularly noted. Thanks are due to the Editors ()f the previous rnonograph n"ted above; R.G. Tart and T.G. Krzewinski.~I11is InQf1ogroph was edited D.C. Esch, with the extens.iveassistance of Susan Mitchell at Inkworks {1f Fairbanks., who converted the earlier 11lonograph chapters into a uniform format, inc()11X)rat(.~updates and review Ctlmnlcnts, and prt..,'>8rCd the final document for publishing. F~ch paper had at least two technical reViCYls. In the table that follows all reviewers are listed, and their assistance is greatly appreciated. Without them this monograph would not be of the high quality that it is. All papers (chapters) 8.re eligible for discussion in the Journal o-f Cold Regions l~ngineering and all papers with significant new content are eligible for ASeE awards.iii Downloaded from ascelibrary.org by New York University on 07/29/15.

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“…Horizontal thermosyphons are installed on-grade and require no ground penetrations (Yarmak and Long, 2002). Similar designs are used successfully beneath pavement and building structures to maintain the thermal regime in areas of warm or discontinuous permafrost (Forsström et al, 2002).…”

Section: Flat Loop Evaporatorsmentioning

confidence: 99%

Methane Hydrate Production From Alaskan Permafrost

Kadaster¹,

Liddell²,

Thompson³

et al. 2005

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Natural-gas hydrates have been encountered beneath the permafrost and considered a nuisance by the oil and gas industry for years. Engineers working in Russia, Canada and the USA have documented numerous drilling problems, including kicks and uncontrolled gas releases, in arctic regions. Information has been generated in laboratory studies pertaining to the extent, volume, chemistry and phase behavior of gas hydrates. Scientists studying hydrate potential agree that the potential is great -on the North Slope of Alaska alone, it has been estimated at 590 TCF. However, little information has been obtained on physical samples taken from actual rock containing hydrates.This gas-hydrate project was a cost-shared partnership between Maurer Technology, Noble Corporation, Anadarko Petroleum, and the U.S. Department of Energy's Methane Hydrate R&D program. The purpose of the project is to build on previous and ongoing R&D in the area of onshore hydrate deposition to identify, quantify and predict production potential for hydrates located on the North Slope of Alaska.

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Thermosyphon Cooling of Chena Hot Springs Road

Cited by 12 publications

References 1 publication

Ground-Coupled Natural Circulating Devices (Thermosiphons): A Review of Modeling, Experimental and Development Studies

Ground-Coupled Natural Circulating Devices (Thermosiphons): A Review of Modeling, Experimental and Development Studies

Thermal Analysis, Construction, and Monitoring Methods for Frozen Ground

Methane Hydrate Production From Alaskan Permafrost

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