CN105784761B - A kind of unsaturated soil thermal physical property parameter test macro - Google Patents

A kind of unsaturated soil thermal physical property parameter test macro Download PDF

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Publication number
CN105784761B
CN105784761B CN201610201279.9A CN201610201279A CN105784761B CN 105784761 B CN105784761 B CN 105784761B CN 201610201279 A CN201610201279 A CN 201610201279A CN 105784761 B CN105784761 B CN 105784761B
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physical property
property parameter
thermal physical
soil
thermal
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CN201610201279.9A
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Chinese (zh)
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CN105784761A (en
Inventor
骆进
朱永强
项伟
程超杰
贾甲
赵海丰
郭清海
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中国地质大学(武汉)
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00Investigating or analyzing materials by the use of thermal means
    • G01N25/20Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity

Abstract

The present invention provides a kind of unsaturated soil thermal physical property parameter test macros, it is made of soil sample control system, thermal physical property parameter test macro and data collection system, the soil sample control system is made of pressure plate apparatus unit, pressure control unit, water quality measuring unit, and pressure plate apparatus unit includes test specimen room, cutting ring, pottery clay plates, fixing bolt, pedestal and water pipe.For the pressure control unit for controlling the indoor air pressure of test specimen, pressure control unit includes pressure gauge, air compressor, air door, tracheae and sealing bolt.The water quality measuring unit includes sink, the gentle beaker of graded tube and day.The thermal physical property parameter test macro is made of detector for water content rate, thermal property tester;The data collection system is made of data acquisition unit and computer.The present invention can solve in the prior art can not precise measurement unsaturated soil thermal physical property parameter the drawbacks of, the relationship in the soil body between moisture content and thermal physical property parameter can be studied.

Description

A kind of unsaturated soil thermal physical property parameter test macro
Technical field
The present invention relates to a kind of unsaturated soil thermal physical property parameter test macro and methods, more particularly to unsaturated soil not With the test macro and method of thermal physical property parameter corresponding in the case of moisture content.
Background technique
It is well known that energy problem restricts the economic development of human society, the basic road for cracking energy problem is Renewable energy.Geothermal energy resources are typical clean energy resourcies, have it is sustainable, renewable, the superiority such as can comprehensively utilize, have Huge economic value.Ground source heat pump technology is the conventional means using geothermal resource, refer to using shallow layer geothermal energy into The new energy utilization technology of row heating and refrigerating.Usual ground source heat pump technology is that the huge heat storage and cold accumulation of underground Rock And Soil is utilized Heat is transferred to interior of building by ability, winter from underground, and summer is transferred to the cooling capacity of underground in building again Portion, to realize heating and refrigerating.Therefore, the thermophysical property of Rock And Soil is the key factor of geothermal resource transfer efficiency, It is also the important parameter for carrying out ground-source heat pump system design.
In ground-source heat pump system, an important process is exactly the heat transfer process of fluid Yu periphery Rock And Soil, is mainly examined What is considered is exactly the conduction of heat of Rock And Soil, and determine this heat exchange efficiency is exactly thermal physical property parameter, including Rock And Soil Initial temperature, thermal coefficient, specific heat capacity, thermal diffusion coefficient etc..If without accurate thermal physical property parameter value, then being easy for causing Heat exchange efficiency is low, causes heating and refrigerating amount insufficient, serious to lead to earth source heat pump unit fluctuation of service, to influence system Service life.Simultaneously as the physicalchemical structure of Rock And Soil complexity itself causes thermal physical property parameter that cannot pass through theoretical model It is calculated, therefore the test for carrying out Rock And Soil thermal physical property parameter has great importance.
It is geo-thermal response test that the thermal physical property parameter of the soil body, which is tested usually used, mainly simulates the practical work of system of heat pump Make situation, is radiated by load hot fluid to underground ground, obtain temperature and change with time rule, and then pass through mathematical model Obtain the thermal physical property parameter of the soil body.Studies have shown that water content is the important of influence Rock And Soil thermal physical property parameter in soil body gap Factor.Under normal conditions, in the soil body gap increase of water content will lead to soil body material thermal coefficient increase.Soil body conduct Complicated multiphase porous media, is divided into unsaturated soil and saturated soil by the degree that water is filled according to gap.In practical projects, The case where unsaturated soil is as heat exchange Rock And Soil, and majority of case will necessarily be encountered in the application process of ground source heat pump technology The soil body in lower actual condition is also all being unsaturated soil, therefore the thermal physical property parameter for measuring unsaturated soil can be Practical Project Service has important economic value.
People's general concern exchange capability of heat and heat exchange efficiency in ground source heat pump technology utilization, this is mainly reflected in underground pipe and changes On the thermal physical property parameters such as synthesis ground thermal coefficient and comprehensive specific heat capacity in hot device depth bounds.Not due to soil moisture content With influence thermal physical property parameter that can be different degrees of, then research understands the relationship between soil moisture content and its thermal physical property parameter just Have great importance.Therefore the thermal physical property parameter test of unsaturated soil not only has biggish economic value, and there are also science The value of research.The relationship between soil moisture content and thermal physical property parameter has been grasped, actual engineering design can be not only instructed, It can also instruct construction process.
Existing Rock And Soil thermal physical property parameter test method:
The test of Rock And Soil thermal physical property parameter is to obtain one of the method for Rock And Soil thermophysical property, also under normal conditions to adopt more With ground geo-thermal response test.The basic theory of the test is constant heat flow theory, by simulating the real work situation of heat pump system, After test equipment uses conducting self-heating, is conducted under conduction of heat to underground Rock And Soil, obtain the change of temperature at any time Law, to obtain the thermal physical property parameter of Rock And Soil by mathematics physics model.The test of Rock And Soil thermal physical property parameter is also classified into In-situ test is tested with indoor test, is tested after generally connecting test equipment with instrument connection pipeline in in-situ test, to Equipment reads test data after stablizing, and obtained thermal physical property parameter is the value of transient state, can reflect the comprehensive condition in place;Indoor examination It tests, is measured to different samples under normal conditions, the process of measurement is the process of a stable state, and what is obtained is a phase To static reference value.
Either all there are certain pros and cons in in-situ test or laboratory test.For in-situ test, its advantages exist It is able to reflect the comprehensive condition in place in measurement parameters obtained, there is more accurate parameter in situ, but its drawback is that The period of test is shorter, the more rule for leading to that thermal physical property parameter and factor cannot be studied well of the influence factor in place, from And it influences ground-source heat pump system and runs for a long time.What laboratory test obtained is static parameter value, it the shortcomings that be cannot be fine Reflection place actual conditions, but its advantage is that available such as different water cut, density, Rock And Soil hole knot The experiment law of influence of the factors such as structure to material thermal physical property parameter.Therefore new thermal physical property parameter test apparatus and test are studied Method is of great significance to the thermal physical property parameter for understanding Rock And Soil, also has directive function to ground-source heat pump system.
Existing patent related with the test of Rock And Soil thermal physical property parameter and its pros and cons are as follows:
Also in the primary stage of research and development and application in terms of China's Rock And Soil thermal physical property parameter test, but have also been made big The experiment and theoretical research of amount work, and for the relevant device of thermal physical property parameter test, can substantially be divided into three classes, respectively Portable, cabinet type, vehicular.It is portable have Ground-Source Heat-Pump Inst., Shandong Architecture Engineering College develop " based on ground source The portable ground thermal property tester and its method of heat pump " patent No. CN1815211A;Ai Meishenglong (Ningbo) is mechanical limited " a kind of ground thermal property tester " patent No. CN201909768U that company develops;" the ground source heat that Shanghai Communications University develops Pump high precision soil thermal property tester " patent No. CN101393149A.Cabinet type has Energy Resources Institute, Hebei Provincial Academy of Sciences " variable frequency heat pump type rock-soil thermal property tester " patent No. CN103293185A developed;What Xu Jian was developed " is based on multifactor shadow Ring the ground thermal property test evaluation system and method for analysis " patent No. CN102411012A;Lingtian Science and Technology Co., Ltd., Hunan " the measurement underground pipe ground temperature device and measurement method " patent No. CN103134602A developed;Survey and Design Institute of China National Aviation development " in-situ tester for superficial layer ground body thermo-physical property " patent No. CN101477071A;Weifang, which reaches, does Electron Technology Co., Ltd " ground thermal property comprehensive tester " patent No. CN202512077U developed;" the synchronous cold/thermal that Harbin Institute of Technology develops Response ground thermal property tester " patent No. CN101887040A;" the multi-functional Rock And Soil used for geothermal heat pump that Southeast China University develops Hot physical property testing device " patent No. CN102243192A;Nanjing University grinds with Jiangsu Nanhua Underground Space Research Institute Co., Ltd. " the hot physical property of the formation in situ of earth source heat pump and underground pipe heat exchange tester and test method " patent No. of system CN102033079A." ground thermal property tester " patent No. for having HeiLongJiang Science academy development of vehicular;Chang An University " a kind of unattended type soil source heat pump ground thermal property tester " patent No. CN102628817A developed.
Some are suitable for experiment in situ with the equipment or method of the comprehensive thermal physical property parameter test of the above Rock And Soil, some are applicable in In laboratory test, but whichever is all not specifically for the experimental system of unsaturated soil and method, can not be specially to same The test function of thermal physical property parameter of the sample in different water cut.But the present invention can be had for this problem The solution of power can study the relationship between moisture content and thermal physical property parameter, solve unsaturated soil thermal physical property parameter and test this Problem is of great significance to the implementation for instructing ground source heat pump technology.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of unsaturated soil thermal physical property parameter test macros With method, can solve in the prior art can not precise measurement unsaturated soil thermal physical property parameter the drawbacks of, and can study Relationship in the soil body between moisture content and thermal physical property parameter.
Realize technical solution used by above-mentioned purpose of the present invention are as follows:
A kind of unsaturated soil thermal physical property parameter test macro, by soil sample control system, thermal physical property parameter test macro sum number It is formed according to acquisition system, the soil sample control system is by pressure plate apparatus unit, pressure control unit, water quality measuring unit group At pressure plate apparatus unit includes test specimen room, cutting ring, pottery clay plates, fixing bolt, pedestal and water pipe, and test specimen room passes through fixing bolt It is sealed and is installed on pedestal, pottery clay plates are located at the indoor bottom of test specimen, are placed with soil sample in cutting ring and cutting ring is located at The top of pottery clay plates, water pipe are mounted on the bottom of test specimen room and are connected with pottery clay plates, the plumbing for soil sample;The pressure For control unit for controlling the indoor air pressure of test specimen, pressure control unit includes pressure gauge, air compressor, air door, gas Pipe and sealing bolt, one end of tracheae and the air outlet of air compressor connect, and the other end of tracheae passes through sealing bolt and examination Part room is mutually tightly connected and leads to the inside of test specimen room, and air door is mounted on tracheae, and pressure gauge is mounted on air compressor On;The water quality measuring unit includes sink, the gentle beaker of graded tube and day, the wherein water supply of the bottom of sink and water pipe End is connected, and third valve is provided on this section of water pipe, and graded tube is connected with the discharge ends of water pipe, and sets on this section of water pipe It is equipped with the second valve, beaker is placed on balance, and the bottom of graded tube is provided with the water pipe for leading to beaker, on this section of water pipe First valve is installed;
The thermal physical property parameter test macro is made of detector for water content rate, thermal property tester, in detector for water content rate Water cut test probe and thermal property tester in hot physical property measurement probe be respectively positioned in test specimen room and connect with soil sample Touching, the water content and thermophysical property, the data line of two probes that two probes are respectively used in induction soil sample pass through sealing spiral shell Silk passes through test specimen room, and sends data to detector for water content rate and thermal property tester;
The data collection system is made of data acquisition unit and computer, and data acquisition unit was tested for acquiring Data in journey, including the acquisition to the qualitative data in water quality measuring unit, to moisture content information in detector for water content rate Acquisition, the acquisition to thermal physical property parameter in thermal property tester, data acquisition unit connect by data line with computer, meter Calculation machine gets off above-mentioned data record.
The sealed screw includes structure glue, nut, gasket, hollow screw, and data line is passed through from the inside of hollow screw, Structure glue is located at the connection gap of hollow screw and data line and for sealing, and gasket and nut tightening are in the upper of hollow screw End and lower end, so that hollow screw is fixed on test specimen room, structure glue is also distributed in the gap between gasket and test specimen room Place is simultaneously sealed.
The test specimen room is made of iron covering, the room Tie Bi and chassis, and wherein chassis is located at the bottom of the room Tie Bi, and iron covering is located at The top of the room Tie Bi, the fixing bolt stretch out upward from chassis and pass through iron covering, and the top of fixing bolt is solid with nut tightening Fixed, the top and top of the room Tie Bi are provided with rubber ring, and iron covering is pressed on the rubber ring at top by fixing bolt and is realized Sealing.
The graded tube is installed on fixed bracket by fixing clamp, is provided with out at the top and bottom of graded tube It closes.
The balance is electronic balance, is provided with a day plain bonnet above electronic balance, beaker is located in day plain bonnet.
Unsaturated soil thermal physical property parameter test macro provided by the present invention can realize unsaturated soil and accurately drain The control of journey can read the parameter situation of thermophysical property corresponding to the soil under different water cut in drainage procedure. The main dehydration that soil sample is realized by soil sample control system reads moisture content parameter using detector for water content rate, using heat Property tester reads thermal physical property parameter and understands the hot object of unsaturated soil to understand the relationship of moisture content and thermal physical property parameter Property characteristic, understand influence of the water to thermal physical property parameter in soil, provide branch for the thermal physical property parameter of Rock And Soil in research Practical Project It holds.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention provides reliable physical experimental method for the thermal physical property parameter test of unsaturated soil, is surveyed using hot physical property It tries instrument and reads thermal physical property parameter, the thermal physical property parameter of unsaturated soil can be read;
2, the present invention is capable of the relationship of Quantitative study Water Content Tests in Soil Samples and thermal physical property parameter, real by soil sample control system The dehydration of existing soil sample reads moisture content parameter using detector for water content rate, reads hot physical property using thermal property tester and joins Number, computer record data, therefrom it will be seen that relationship between the moisture content and thermal physical property parameter of soil sample;
3, easy to operate, accurate testing, operation is simple for test macro, moisture content and hot physical property by apparatus measures Parameter is accurate, can design for ground-source heat pump system and provide more reliable experimental data.
Detailed description of the invention
Fig. 1 is the structure principle chart of unsaturated soil thermal physical property parameter test macro provided by the invention;
Fig. 2 is the overall structure diagram of unsaturated soil thermal physical property parameter test macro;
Fig. 3 is the structural schematic diagram of test specimen room;
In figure: 1. electronic balances;2. beaker;3. day plain bonnet;4. water pipe;5. fixed bracket;6. the first valve;7. scale Pipe;8. fixing clamp;9. switch;10. the second valve;11. pottery clay plates;12. cutting ring;13. the room Tie Bi;14. hot physical property measurement probe; 15. fixing bolt;16. thermal property tester;17. detector for water content rate;18. sealed screw;181. structure glue;182. nut; 183. gasket;184. hollow screw;19. water cut test probe;20. soil sample;21. third valve;22. pedestal;23. tracheae; 24. air door;25. sink;26. pressure gauge;27. air compressor;28. rubber ring;29. filter paper;30. sealing bolt.
Specific embodiment
Detailed specific description done to the present invention with reference to the accompanying drawing, but protection scope of the present invention be not limited to Lower embodiment.
Unsaturated soil thermal physical property parameter test macro provided by the invention is as depicted in figs. 1 and 2, by soil sample control system, Thermal physical property parameter test macro and data collection system composition, the soil sample control system are controlled by pressure plate apparatus unit, pressure Unit, water quality measuring unit composition, the thermal physical property parameter test macro is by detector for water content rate, thermal property tester group At the data collection system is made of data acquisition unit and computer.
Pressure plate apparatus unit includes test specimen room, cutting ring 12, pottery clay plates 11, fixing bolt 15, pedestal 22 and water pipe 4, test specimen Room is sealed and is installed on pedestal by fixing bolt 15, and pottery clay plates are located at the indoor bottom of test specimen, put in cutting ring 12 It is equipped with soil sample 20 and cutting ring is located at the top of pottery clay plates 11, one layer of filter paper 29 is provided between pottery clay plates and soil sample.Water pipe installation Test specimen room bottom and be connected with pottery clay plates, the plumbing for soil sample.The structure of the test specimen room as shown in figure 3, It is made of iron covering, the room Tie Bi 13 and chassis, wherein chassis is located at the bottom of the room Tie Bi 13, and iron covering is located at the top of the room Tie Bi, institute It states fixing bolt 15 to stretch out upward from chassis and pass through iron covering, the top of fixing bolt is fixed with nut tightening, the top of the room Tie Bi Portion and top are provided with rubber ring 28, and iron covering, which is pressed on the rubber ring at top by fixing bolt, realizes sealing.
For the pressure control unit for controlling the indoor air pressure of test specimen, pressure control unit includes pressure gauge 26, air Compressor 27, air door 24, tracheae 23 and sealing bolt 30, one end of tracheae 23 and the air outlet of air compressor connect, The other end of tracheae is mutually tightly connected with test specimen room by sealing bolt 30 and leads to the inside of test specimen room, and air door is mounted on On tracheae, pressure gauge is mounted on air compressor.
The water quality measuring unit includes sink 25, the gentle beaker 2 of graded tube 7 and day, wherein the bottom of sink 25 With being connected to water end (W.E.) for water pipe, and third valve 21 is provided on this section of water pipe.Graded tube 7 is connected with the discharge ends of water pipe It connects, and is provided with the second valve 10 on this section of water pipe, the graded tube 7 is installed on fixed bracket 5 by fixing clamp 8, is carved Switch 9 is provided at the top and bottom of degree pipe.Beaker 2 is placed on balance, and the bottom of graded tube 7 is provided with one and leads to burning The water pipe of cup 2 is equipped with the first valve 6 on this section of water pipe;The balance is electronic balance 1, and the top of electronic balance 1 is arranged There is a day plain bonnet 3, beaker 2 is located in day plain bonnet 3.
The thermal physical property parameter test macro is made of detector for water content rate 17, thermal property tester 16, water cut test The hot physical property measurement probe 14 in water cut test probe 19 and thermal property tester 16 in instrument 17 is respectively positioned in test specimen room And be in contact with soil sample 20, two probes are respectively used to water content and thermophysical property in induction soil sample, the data of two probes Line passes through sealed screw 18 across test specimen room, and sends data to detector for water content rate and thermal property tester.It is described close Sealing screw includes structure glue 181, nut 182, gasket 183, hollow screw 184, and data line is passed through from the inside of hollow screw, knot Structure glue is located at the connection gap of hollow screw and data line and for sealing, and gasket and nut tightening are in the upper end of hollow screw And lower end, so that hollow screw is fixed on test specimen room, structure glue is also distributed in the gap between gasket and test specimen room And it is sealed.
The data collection system is made of data acquisition unit and computer, and data acquisition unit was tested for acquiring Data in journey, including the acquisition to the qualitative data in water quality measuring unit, to moisture content information in detector for water content rate Acquisition, the acquisition to thermal physical property parameter in thermal property tester, data acquisition unit connect by data line with computer, meter Calculation machine gets off above-mentioned data record.
The application method of unsaturated soil thermal physical property parameter test macro provided by the invention is as follows:
Step 1: soil sample is made according to test requirements document, soil sample is fitted into cutting ring and is put into test specimen room, connects each of system Test sensor probe is mounted and sealed in component, prepares stand-by.
Step 2:, must be by pottery clay plates with feed pipe before test for the interference for preventing the bubble in the Quality Process of measurement water Gas discharge in road.Specific practice are as follows: close the first valve, open two of graded tube switches, open the second valve and the Three valves raise the sink on right side, its water level are made to be slightly above left-hand scale pipe.At this time since the head of right side sink is higher than left side Graded tube, water can flow into intermediate test tube, take the gas in pottery clay plates out of.When no gas excludes again, valve one is closed, has been revised Finish.
Step 3: after emptying bubble, the upper switches of third valve and graded tube are closed, open the first valve, the second valve The lower switches of door and graded tube, revise electronic balance;Air door is opened, reasonable pressure value is set, opens air compression Machine first pressurizes.
Step 4: reaching the pressure value of setting, after soil sample draining is stablized;Air compressor is closed, air door is closed; Thermal conduction characteristic tester is set, and detector for water content rate initial parameter starts simultaneously at measure physical parameters;Corresponding to computer record Quality information, thermal physical property parameter information, moisture content information.
Step 5: after record information;Pressure value is reset, air door is opened, air compressor is opened, is added Pressure;After the pressure value for reaching setting, step 4 is repeated.
Step 6: export Various types of data is handled, analyzes experimental conditions.

Claims (5)

1. a kind of unsaturated soil thermal physical property parameter test macro, by soil sample control system, thermal physical property parameter test macro and data Acquisition system composition, it is characterised in that: the soil sample control system is by pressure plate apparatus unit, pressure control unit, water quality measuring Unit composition is measured, pressure plate apparatus unit includes test specimen room, cutting ring, pottery clay plates, fixing bolt, pedestal and water pipe, and test specimen room passes through Fixing bolt is sealed and is installed on pedestal, and pottery clay plates are located at the indoor bottom of test specimen, be placed in cutting ring soil sample and Cutting ring is located at the top of pottery clay plates, and water pipe is mounted on the bottom of test specimen room and is connected with pottery clay plates, the plumbing for soil sample; For the pressure control unit for controlling the indoor air pressure of test specimen, pressure control unit includes pressure gauge, air compressor, air Valve, tracheae and sealing bolt, one end of tracheae and the air outlet of air compressor connect, and the other end of tracheae passes through sealing spiral shell Bolt is mutually tightly connected with test specimen room and leads to the inside of test specimen room, and air door is mounted on tracheae, and pressure gauge is mounted on air On compressor;The water quality measuring unit includes sink, the gentle beaker of graded tube and day, wherein the bottom of sink and water pipe Be connected to water end (W.E.), and third valve is provided on this section of water pipe, graded tube is connected with the discharge ends of water pipe, and this section of water The second valve is provided on pipe, beaker is placed on balance, and the bottom of graded tube is provided with the water pipe for leading to beaker, this section First valve is installed on water pipe;
The thermal physical property parameter test macro is made of detector for water content rate, thermal property tester, containing in detector for water content rate Hot physical property measurement probe in water rate test probe and thermal property tester is respectively positioned in test specimen room and is in contact with soil sample, and two The water content and thermophysical property, the data line of two probes that probe is respectively used in induction soil sample are passed through by sealed screw Test specimen room, and send data to detector for water content rate and thermal property tester;
The data collection system is made of data acquisition unit and computer, during data acquisition unit is for acquisition test Data moisture content information in detector for water content rate is adopted including the acquisition to the qualitative data in water quality measuring unit Collection, the acquisition to thermal physical property parameter in thermal property tester, data acquisition unit are connect by data line with computer, computer Above-mentioned data record is got off.
2. unsaturated soil thermal physical property parameter test macro according to claim 1, it is characterised in that: the sealed screw packet Structure glue, nut, gasket, hollow screw are included, data line is passed through from the inside of hollow screw, and structure glue is located at hollow screw and number According to the connection gap of line and for sealing, gasket and nut tightening are in the upper end and lower end of hollow screw, thus by hollow Screw is fixed on test specimen room, and structure glue is also distributed in the gap between gasket and test specimen room and is sealed.
3. unsaturated soil thermal physical property parameter test macro according to claim 1, it is characterised in that: the test specimen room by Iron covering, the room Tie Bi and chassis composition, wherein chassis is located at the bottom of the room Tie Bi, and iron covering is located at the top of the room Tie Bi, the fixation Bolt stretches out upward from chassis and passes through iron covering, and the top of fixing bolt is fixed with nut tightening, the top and bottom of the room Tie Bi It is provided with rubber ring, iron covering, which is pressed on the rubber ring at top by fixing bolt, realizes sealing.
4. unsaturated soil thermal physical property parameter test macro according to claim 1, it is characterised in that: the graded tube is logical It crosses fixing clamp to be installed on fixed bracket, switch is provided at the top and bottom of graded tube.
5. unsaturated soil thermal physical property parameter test macro according to claim 1, it is characterised in that: the balance is electricity Sub- balance is provided with a day plain bonnet above electronic balance, and beaker is located in day plain bonnet.
CN201610201279.9A 2016-03-31 2016-03-31 A kind of unsaturated soil thermal physical property parameter test macro CN105784761B (en)

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CN110426413A (en) * 2019-07-10 2019-11-08 大连理工大学 A kind of singular needle apparatus and method based on the calorifics method measurement heterogeneous content of porous material

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CN102033079A (en) * 2010-11-15 2011-04-27 南京大学 Instrument and method for testing stratum in-situ thermal property of ground source heat pump and heat exchange quantity of buried pipe
CN102411012A (en) * 2011-07-19 2012-04-11 徐坚 System and method for testing and evaluating rock thermo physical property based on multi-factor impact analysis
CN102628817A (en) * 2012-03-30 2012-08-08 长安大学 Unattended type soil source heat pump rock soil thermal property tester
CN105300867A (en) * 2015-10-12 2016-02-03 中国地质大学(武汉) Testing device for testing thermal diffusion characteristic of rock soil under fluid-structure interaction condition

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US4933887A (en) * 1985-05-10 1990-06-12 Budapesti Muszaki Egyetem Process and apparatus for the determination of thermo-physical properties
US5711603A (en) * 1996-10-30 1998-01-27 United Technologies Corporation Nondestructive testing: transient depth thermography
CN1588022A (en) * 2004-10-12 2005-03-02 中国科学院广州能源研究所 Method and device for in-site measuring gas hydrate and deposit sediment heat stability containing hydrate
CN101281152A (en) * 2008-06-03 2008-10-08 华南农业大学 Soil moisture sensor
CN101718725A (en) * 2009-12-08 2010-06-02 中国科学院广州能源研究所 Device for measuring sample thermo-physical property in situ
CN102033079A (en) * 2010-11-15 2011-04-27 南京大学 Instrument and method for testing stratum in-situ thermal property of ground source heat pump and heat exchange quantity of buried pipe
CN102411012A (en) * 2011-07-19 2012-04-11 徐坚 System and method for testing and evaluating rock thermo physical property based on multi-factor impact analysis
CN102628817A (en) * 2012-03-30 2012-08-08 长安大学 Unattended type soil source heat pump rock soil thermal property tester
CN105300867A (en) * 2015-10-12 2016-02-03 中国地质大学(武汉) Testing device for testing thermal diffusion characteristic of rock soil under fluid-structure interaction condition

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