CN110501452A - Based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental method and system - Google Patents
Based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental method and system Download PDFInfo
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- CN110501452A CN110501452A CN201910927197.6A CN201910927197A CN110501452A CN 110501452 A CN110501452 A CN 110501452A CN 201910927197 A CN201910927197 A CN 201910927197A CN 110501452 A CN110501452 A CN 110501452A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating 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
- G01N25/22—Investigating 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 on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating 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 on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Abstract
The invention discloses it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental method and system, relevant parameter acquisition and Binding experiment data including flame parameters calculating, barrier parameter setting, flame combustion process are modified the caloradiance formula under the conditions of clear, thus the caloradiance formula under the conditions of obtaining barrier.The relevant parameter that the disclosure passes through change barrier, to study influence of the barrier to flame propagation, analyze fire hazard range, and then find out fire safety evaluating distance, this method is for having the advantages that multivariable can be controlled separately, is remote controlled, automatic data collection, experimental period is short, assay reproducibility is high, expense is low, highly-safe in natural gas leaking ignition experiment.
Description
Technical field
The disclosure belongs to Long-distance Transmission Pipeline Safety Evaluation Technology field, more particularly to one kind is based on setting day under the conditions of hindering
The experimental method and system of right gas long distance pipeline jet bubble reactor research.
Background technique
With the rapid development of gas industry, long distance pipeline is laid with and is used more and more.China has been at present
655 oil and gas long distance pipelines are formd, total kilometrage reaches 10.2 ten thousand kilometers, and some to have run more than 20 years, some even reaches
By more than 40 years, some pipelines corroded, are thinning.Burning after pipe leakage not only causes energy waste, and environmental pollution is also right
People life property safety generates harm.So research has very important research valence because of the burning caused by accident leakage
Value.
It can be applied to Long-distance Transmission Pipeline at present and leak kind there are many fire temperature and hot radiation measurement methods, but
It is essentially all to be ignited at leakage hole in natural gas, to study flame transmission situation and temperature field and heat to surrounding
The influence of radiation field.
For in the research of Long-distance Transmission Pipeline fire safety evaluating technology, since the laying place of Long-distance Transmission Pipeline is past
Toward there is the barriers such as vegetation, building and equipment, or it is located in mountain area, gully, flame transmission is very multiple in this case
It is miscellaneous.Therefore, the closer reality of research burnt to gas pipeline leakage under barrier existence condition, with more important reality
Meaning, it has also become the emphasis of domestic and international researcher concern.
Research at present can burn to natural gas leaking, and gas cloud is distributed, combustion characteristics is studied, but can not effectively be controlled
Natural environmental condition processed simulates different natural environments.Therefore how to design a kind of for natural gas tube under the conditions of barrier
The experiment research of road burning, is still technical problem to be solved.
Summary of the invention
The disclosure be designed to provide it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experiment
Method, it is intended to which solution under conditions of barrier, changes the relevant parameter of barrier at this stage, passes to study barrier to flame
The influence broadcast analyzes fire hazard range, and then finds out fire safety evaluating distance, and this method is real for natural gas leaking ignition
In testing, have multivariable can be controlled separately, is remote controlled, automatic data collection, experimental period is short, assay reproducibility is high,
Low, the highly-safe advantage of expense.
The disclosure on the one hand provide it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experiment side
The technical solution of method is:
It is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental method, this method includes following step
It is rapid:
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different
Flame coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to obstacle
Radiation and temperature signal before and after object parameter change are acquired and extract amplitude;
Using the caloradiance formula Binding experiment data under the conditions of clear to radiations heat energy and radiation temperature into
Row amendment, obtains the caloradiance under the conditions of barrier.
The disclosure on the other hand provide it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experiment
The technical solution of system is:
It is a kind of based on the experimental system setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying, which includes:
Flame simulating module, for being simulated to the flame profile size under operating condition of test;
Sampling location determining module for determining the size of barrier according to flame profile size, and changes obstacle
The relative dimensions of object obtain different flame coverages;According to flame coverage, when determining flame combustion radiations heat energy and
The sampling location of radiation temperature;
Data sampling module keeps adopting for radiations heat energy and radiation temperature when flame combustion for changing barrier parameter
Sample position is constant, to before and after barrier parameter change radiation and temperature signal be acquired and extract amplitude;
Caloradiance computing module, for using the caloradiance formula Binding experiment data under the conditions of clear
Radiations heat energy and radiation temperature are modified, obtain the caloradiance under the conditions of barrier.
A kind of technical solution of on the other hand computer readable storage medium that the disclosure provides is:
A kind of computer readable storage medium, is stored thereon with computer program, characterized in that the program is held by processor
Following steps are realized when row:
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different
Flame coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to obstacle
Radiation and temperature signal before and after object parameter change are acquired and extract amplitude;
Using the caloradiance formula Binding experiment data under the conditions of clear to radiations heat energy and radiation temperature into
Row amendment, obtains the caloradiance under the conditions of barrier.
A kind of technical solution of on the other hand processing unit that the disclosure provides is:
A kind of processing unit including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, the processor realize following steps when executing described program:
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different
Flame coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to obstacle
Radiation and temperature signal before and after object parameter change are acquired and extract amplitude;
Using the caloradiance formula Binding experiment data under the conditions of clear to radiations heat energy and radiation temperature into
Row amendment, obtains the caloradiance under the conditions of barrier.
Compared with prior art, the beneficial effect of the disclosure is:
1. the disclosure can be used to do following research:
(1) natural gas leaks burning under different natural environments
Vapor concentration is different from distribution after natural gas leaking under different natural environments, present apparatus temperature, humidity, radiation and wind
It is fast controllable, when natural environment is with influence factor difference, flame image is generated by the process of the experiment porch combustion of natural gas
It is observed, experimental data is analyzed by measuring system and data acquisition and processing system, it can be to different natural rings
Natural gas leaking burning behavior is studied under border.
(2) flame propagation endangers principle under the conditions of barrier
The either propagation for propagating gas cloud in either pipeline of wide open space gas cloud, if on flame transmission direction
There is barrier, just will increase flame speed and superpressure, the original smooth surface of flame front can gradually decrease and form turbulent flow expansion
Flame is dissipated, therefore the combustion law of the gas in the case where there is barrier existence condition is studied closer to actual conditions, it has also become research
The emphasis of person's concern.
(3) barrier endangers parameter to natural gas leaking burning
Change barrier shape, size, position and quantity, analyze the reciprocation between different barriers and natural gas,
Record description phenomenon measures relevant parameter, tracks energy whereabouts, carries out mechanism study, establishes numerical simulation, realization standard is built
Vertical, design optimization.
2. the method that the disclosure provides is that one kind can carry out varying environment condition, landform and other parameters as needed
Natural gas leaking combustion research under the conditions of change.As needed, the research for carrying out different barrier scaling experiments, by obstacle
Influence principle of the object to combustion of natural gas flame propagation provides corresponding natural gas leaking amount, wind speed, root by data processing system
It is handled according to the capture of data collection system and high-speed camera and later data, has obtained ambient temperature in the case of barrier
The distribution of each monitoring point in field and radiation field, to obtain influence of the barrier to flame propagation.
3. the disclosure captures flame propagation process by high-speed camera and integrates the analysis of other measurement data again, can hold very much
Easily each affecting parameters are analyzed, obtain influence situation of some parameter to flame propagation.
4. can be combustion research Establishing of natural gas under the conditions of barrier by this experimental method conclusion
Written quantization guidance is provided.
Detailed description of the invention
Fig. 1 be the present embodiment be related to based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental method stream
Cheng Tu;
Fig. 2 is the structure of the natural gas leaking combustion experiment platform for a certain embodiment being arranged based on disclosure experimental method
Schematic diagram.
In Fig. 2: 1- methane gas steel cylinder;2- methane pressure reducer valve;3- glass rotameter;4- burner nozzle;5- barrier
Hinder object;6- thermocouple I;7- thermocouple II;8- thermocouple III;9- thermocouple IV;10- radiometer I;11- radiometer II;12- spoke
Penetrate meter III;13- radiometer IV;14- thermocouple location adjuster;15- radiometer position control;16- burning platform;17- is adopted
Truck;18- high-speed camera;19- data acquisition and processing system;20- computer;21- pipeline.
Specific embodiment
The disclosure is described further with specific embodiment with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the disclosure, term for example "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", " side ",
The orientation or positional relationship of the instructions such as "bottom" is to be based on the orientation or positional relationship shown in the drawings, only to facilitate describing this public affairs
The relative for opening each component or component structure relationship and determination, not refers in particular to either component or element in the disclosure, cannot understand
For the limitation to the disclosure.
In the disclosure, term such as " affixed ", " connected ", " connection " be shall be understood in a broad sense, and indicate may be a fixed connection,
It is also possible to be integrally connected or is detachably connected;It can be directly connected, it can also be indirectly connected through an intermediary.For
The related scientific research of this field or technical staff can determine the concrete meaning of above-mentioned term in the disclosure as the case may be,
It should not be understood as the limitation to the disclosure.
As one or more embodiments, it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experiment
Method, as shown in Figure 1, specifically including:
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different
Flame coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to obstacle
Radiation and temperature signal before and after object parameter change are acquired and extract amplitude;
Using the caloradiance formula Binding experiment data under the conditions of clear to radiations heat energy and radiation temperature into
Row amendment, obtains the caloradiance under the conditions of barrier.
In specific implementation, the flame profile size extends spouting velocity calculating by natural gas and numerical simulation is soft
Part is simulated.
The operating condition of test includes natural environment operating condition, pipeline pressure operating condition, gas release rate, leak form and dimension
And the duration of ignition, wherein the natural environment operating condition includes test temperature, test humidity and the test wind.
The barrier relative dimensions include barrier shape and barrier size.
The radiations heat energy when flame combustion is acquired by radiation sensor, the radiation temperature when flame combustion
Degree is acquired by temperature sensor, and the radiation sensor and temperature sensor are installed on barrier side, and match two-by-two
Fire Radiation heat and radiation temperature are acquired to as a monitoring point.
The radiation sensor includes but is not limited to radiometer, and the temperature sensor includes but is not limited to thermocouple.
The barrier side is equipped with multiple monitoring points, and the monitoring point, can be more quasi- with the presence of monitoring point array format
True obtains heat radiation distribution situation.
The barrier parameter includes barrier shape, barrier size, Obstacle Position and barrier quantity.
Under the conditions of accessible, for the certain point outside stable state combustion region, suffered caloradiance calculation formula are as follows:
In formula, η is efficiency factor;QoFor amount of radiation;HcFor maximum calorific value;TjetFor burning time;R is radius of liquid pool;
R1For flame diameter.
In specific implementation, experimental method described in the disclosure further includes carrying out data to flame image using high-speed camera
Acquisition.
Fig. 1 is the structural schematic diagram of a certain natural gas leaking combustion experiment platform based on the setting of disclosure experimental method,
Including methane gas steel cylinder 1, methane gas steel cylinder 1 provides gas source and pressure for system, for adjusting bleed pressure to testing
Pressure is needed, outlet is supplied by being connected to gas pipeline after 2 two-stage decompression of gas cylinder valve pressure reducing valve to flowmeter 3, gas stream
Meter 3 is used for meter gaseous injection rate, and is delivered to burner noz(zle) 4 by gas pipeline, and igniting dress is equipped at burner noz(zle) 4
It sets, burns for natural gas fired, burner noz(zle) 4 is set on burning platform 16, at a certain distance from the output end of burner noz(zle) 4
It is disposed with barrier 5, the relevant parameter of barrier 5 is adjustable, thermocouple I 6, thermocouple II 7, thermocouple III8 and thermocouple
The installation site of IV9 is laid according to test method, and radiation sensor I10, radiation sensor II 11, radiation pass
Sensor III12 and radiation sensor IV13 laying identical as thermocouple carry out, while being set at experimental provision certain position
There are capture card 17 and high-speed camera 18, capture card 17 and high-speed camera instrument 18 are connected with data acquisition and processing system 19, number
It is connected according to acquisition and processing system 19 with computer,.
In specific implementation, for the installation of TC on thermocouple location adjuster 14, bolometer is installed on radiometer position
On adjuster 15, thermocouple location adjuster 14 and radiometer position control 15 are using band rotary lifting platform, for adjusting
Place position and the height of object.
In specific implementation, it is near the ground in atmosphere for simulating natural gas to be additionally provided with General experimental wind tunnel system for above-mentioned apparatus
Evaporation and diffusion leakage in boundary layer, realizes that humidity, temperature, radiation and wind speed are controllable, and experimental wind tunnel system adjusts test section
It is transparent, convenient for the observation and data record of experimental phenomena.
In specific implementation, above-mentioned apparatus is additionally provided with methane concentration detector, adds in the methane concentration detector fuel
It added with stink agent ethyl mercaptan, can be found in time after being leaked for natural gas, improve the safety of device.
Based on above-mentioned experimental provision, the operating condition of test of this experimental method by adjust General experimental wind tunnel system, pressure reducing valve,
Flowmeter, burner noz(zle) and igniter are set.
Based on above-mentioned experimental provision, the specific implementation process of this experimental method are as follows:
Experiment is square with design barrier, and side length divides four kinds of situations, including 70mm, 120mm, 170mm and 220mm,
During the experiment, the square barrier of different side lengths is placed in nozzle outlet end respectively, measurement experiment is as a result, analysis experiment
Data obtain the parameters such as experiment temperature, the heat radiation to be characterized;Suitable barrier side length is taken, obstacle height is carried out and changes
Become experimental study, the incrementss of height are each 30mm, increase number and determine according to side length, minimum to increase twice.
In the case where leaking aperture, jet velocity and barrier size constancy, change between barrier and leak
Away from studying influence of the jet flames to barrier, i.e., the position of moving obstacle from the near to the distant, every minor tick 0.2m, analysis
The difference in change of data away from;When barrier quantity has multiple, such as 2 when, first fix one of barrier position then by
Its cumulative big spacing with another barrier is come the experimental study of natural gas injection fire behavior condition when carrying out multiple barriers;
Based on above-mentioned experimentation, carried out in conjunction with formula of the specific data of gained to the caloradiance under the conditions of accessible
Amendment, to obtain caloradiance suffered by certain point in the presence of obstacle.
As one or more embodiments, it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experiment
System, the system include:
Flame simulating module, for being simulated to the flame profile size under operating condition of test;
Sampling location determining module for determining the size of barrier according to flame profile size, and changes obstacle
The relative dimensions of object obtain different flame coverages;According to flame coverage, when determining flame combustion radiations heat energy and
The sampling location of radiation temperature;
Data sampling module keeps adopting for radiations heat energy and radiation temperature when flame combustion for changing barrier parameter
Sample position is constant, to before and after barrier parameter change radiation and temperature signal be acquired and extract amplitude;
Caloradiance computing module, for using the caloradiance formula Binding experiment data under the conditions of clear
Radiations heat energy and radiation temperature are modified, obtain the caloradiance under the conditions of barrier.
As one or more embodiments, a kind of computer readable storage medium is stored thereon with computer program, special
Sign is that the program realizes following steps when being executed by processor:
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different
Flame coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to obstacle
Radiation and temperature signal before and after object parameter change are acquired and extract amplitude;
Using the caloradiance formula Binding experiment data under the conditions of clear to radiations heat energy and radiation temperature into
Row amendment, obtains the caloradiance under the conditions of barrier.
As one or more embodiments, a kind of processing unit, including memory, processor and storage are on a memory simultaneously
The computer program that can be run on a processor, the processor realize following steps when executing described program:
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different
Flame coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to obstacle
Radiation and temperature signal before and after object parameter change are acquired and extract amplitude;
Using the caloradiance formula Binding experiment data under the conditions of clear to radiations heat energy and radiation temperature into
Row amendment, obtains the caloradiance under the conditions of barrier.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
Claims (10)
1. it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental method, it is characterised in that: including
Flame profile size under operating condition of test is simulated;
The relative dimensions for determining the size of barrier according to flame profile size, and changing barrier obtain different flame
Coverage;
According to flame coverage, the sampling location of radiations heat energy and radiation temperature when determining flame combustion;
Change barrier parameter, keep flame combustion when radiations heat energy and radiation temperature sampling location it is constant, to barrier join
Number changes the radiation of front and back and temperature signal is acquired and extracts amplitude;
Radiations heat energy and radiation temperature are repaired using the caloradiance formula Binding experiment data under the conditions of clear
Just, the caloradiance under the conditions of barrier is obtained.
2. it is as described in claim 1 a kind of based on the experimental method setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying,
It is characterized in that, the flame profile size is extended by natural gas, spouting velocity is calculated and numerical simulation software carries out mould
It is quasi-.
3. it is as described in claim 1 a kind of based on the experimental method setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying,
It is characterized in that, the operating condition of test include natural environment operating condition, pipeline pressure operating condition, gas release rate, leakage hole shape and
Size and the duration of ignition, wherein the natural environment operating condition includes test temperature, test humidity and the test wind.
4. it is as described in claim 1 a kind of based on the experimental method setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying,
It is characterized in that, the barrier relative dimensions include barrier shape and barrier size.
5. it is as described in claim 1 a kind of based on the experimental method setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying,
The spoke it is characterized in that, radiations heat energy when flame combustion is acquired by radiation sensor, when the flame combustion
It penetrates temperature to be acquired by temperature sensor, the radiation sensor and temperature sensor are installed on barrier side, and two
Two pairings are acquired Fire Radiation heat and radiation temperature as a monitoring point.
6. it is as claimed in claim 5 a kind of based on the experimental method setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying,
It is characterized in that, the barrier side is equipped with multiple monitoring points, the monitoring point is with the presence of monitoring point array format.
7. it is as described in claim 1 a kind of based on the experimental method setting Long-distance Transmission Pipeline jet bubble reactor under the conditions of barrier and studying,
It is characterized in that, the barrier parameter includes barrier shape, barrier size, Obstacle Position and barrier quantity.
8. it is a kind of based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experimental system characterized by comprising
Flame simulating module, for being simulated to the flame profile size under operating condition of test;
Sampling location determining module for determining the size of barrier according to flame profile size, and changes barrier
Relative dimensions obtain different flame coverages;According to flame coverage, radiations heat energy and radiation when determining flame combustion
The sampling location of temperature;
Data sampling module, for changing barrier parameter, the sample bits of radiations heat energy and radiation temperature when keeping flame combustion
Set it is constant, to before and after barrier parameter change radiation and temperature signal be acquired and extract amplitude;
Caloradiance computing module, for the caloradiance formula Binding experiment data under the conditions of use clear to spoke
It penetrates heat and radiation temperature is modified, obtain the caloradiance under the conditions of barrier.
9. a kind of computer readable storage medium, is stored thereon with computer program, characterized in that the program is executed by processor
Shi Shixian such as it is of any of claims 1-7 based on set barrier under the conditions of Long-distance Transmission Pipeline jet bubble reactor study experiment
Step in method.
10. a kind of processing unit including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, characterized in that realized when the processor executes described program and be based on setting as of any of claims 1-7
The step in experimental method that Long-distance Transmission Pipeline jet bubble reactor is studied under the conditions of barrier.
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PCT/CN2020/117515 WO2021057859A1 (en) | 2019-09-27 | 2020-09-24 | Experimental method and system based on research of jet fire of long-distance natural gas pipeline under obstacle placement condition |
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WO2021057860A1 (en) * | 2019-09-27 | 2021-04-01 | 国家石油天然气管网集团有限公司华南分公司 | Experimental device for researching jet fire of natural gas long-distance pipeline based on obstacle placement condition |
CN114544690A (en) * | 2022-01-05 | 2022-05-27 | 国家石油天然气管网集团有限公司 | Loop system and method for simulating influence of natural gas pipeline jet fire on oil pipe in mountainous area |
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