CN114647899A - Pressure relief caliber calculation method and device, storage medium and electronic equipment - Google Patents

Pressure relief caliber calculation method and device, storage medium and electronic equipment Download PDF

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CN114647899A
CN114647899A CN202011498279.2A CN202011498279A CN114647899A CN 114647899 A CN114647899 A CN 114647899A CN 202011498279 A CN202011498279 A CN 202011498279A CN 114647899 A CN114647899 A CN 114647899A
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pressure relief
caliber
hydrogen storage
calculating
storage bottle
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叶联忠
刘慧�
沈远亮
刘广飞
何成
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Baoneng Automobile Group Co Ltd
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    • G06F30/17—Mechanical parametric or variational design
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract

The invention discloses a method and a device for calculating a pressure relief caliber, a storage medium and electronic equipment, wherein the method is used for calculating the pressure relief caliber of a safety pressure relief device of a hydrogen storage bottle and comprises the following steps: acquiring basic parameters of the hydrogen storage bottle; calculating the safe discharge amount of the hydrogen storage bottle according to the basic parameters; calculating the area of a safe pressure relief opening of the hydrogen storage bottle according to the safe relief amount; and calculating the pressure relief caliber according to the area of the safe pressure relief opening. The method for calculating the pressure relief caliber can provide reliable data basis for the TPRD pressure relief caliber design of the hydrogen storage bottle or the model selection of a bottle valve and a tail valve.

Description

Pressure relief caliber calculation method and device, storage medium and electronic equipment
Technical Field
The invention relates to the technical field of gas storage safety, in particular to a method and a device for calculating a pressure relief caliber, a storage medium and electronic equipment.
Background
With the development of hydrogen energy and the increase of hydrogen energy vehicles, the application of high-pressure hydrogen storage bottles is more and more extensive. The safety of the hydrogen storage bottle is always a focus of attention of the nation and enterprises, and in order to ensure safer and wider application of the hydrogen storage bottle, a bottle valve or a tail valve of the hydrogen storage bottle is integrated with a temperature-driven safety pressure relief device (TPRD for short).
The TPRD is used for rapidly and automatically discharging hydrogen and releasing pressure in the hydrogen storage bottle in an environment with an unexpected high temperature, so that the hydrogen storage bottle is protected from being exploded. The TPRD is composed of fusible alloy plug and plug seat, the plug seat is integrated with the bottle body or bottle valve, when the temperature reaches 110 + -5 ℃, the fusible alloy is melted, and the hydrogen is discharged to release the pressure. At present, single-mouth and double-mouth hydrogen storage bottles exist in the market, wherein the single-mouth bottle only integrates TPRD on a bottle valve, and the double-mouth bottle integrates TPRD on the bottle valve and a tail valve.
The size of TPRD pressure release bore, the pressure release rate of direct relation hydrogen storage bottle (under the high temperature environment), when the pressure release bore is too little, hydrogen storage bottle pressure release rate is not than hydrogen storage bottle expansion rate, leads to hydrogen storage bottle to continue to step up and explode, when the pressure release bore is too big, the area of TPRD sealed department is big, leads to hydrogen to reveal easily. Therefore, it is necessary to effectively calculate the pressure relief caliber of the TPRD so as to provide a basis for designing the pressure relief caliber of the TPRD of the hydrogen storage bottle or selecting the type of the bottle valve and the tail valve.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a method for calculating a pressure relief caliber, so as to provide a reliable data basis for designing the pressure relief caliber of the TPRD of a hydrogen storage cylinder or selecting a cylinder valve and a tail valve.
A second object of the invention is to propose a computer-readable storage medium.
A third object of the invention is to propose an electronic device.
The fourth purpose of the invention is to provide a pressure relief caliber calculating device.
In order to achieve the above object, a method for calculating a pressure relief caliber of a safety pressure relief device of a hydrogen storage bottle is provided in an embodiment of a first aspect of the present invention, and the method comprises the following steps: acquiring basic parameters of the hydrogen storage bottle; calculating the safe discharge amount of the hydrogen storage bottle according to the basic parameters; calculating the area of a safe pressure relief opening of the hydrogen storage bottle according to the safe pressure relief amount; and calculating the pressure relief caliber according to the area of the safe pressure relief opening.
The method for calculating the pressure relief caliber of the embodiment of the invention calculates the safety pressure relief calibers of the hydrogen storage bottles with different working pressures, water volumes and single and double mouths based on the safety use requirements of the hydrogen storage bottles, thereby providing reliable data basis for the pressure relief caliber design of the TPRD of the hydrogen storage bottles or the model selection of a bottle valve and a tail valve.
In addition, the method for calculating the pressure relief caliber of the embodiment of the invention can also have the following additional technical characteristics:
according to one embodiment of the invention, said basic parameters comprise water volume and working pressure.
According to one embodiment of the present invention, the safety relief amount is calculated by the following formula:
Figure BDA0002842846600000021
wherein, WsIn order to achieve said safe amount of relief,
Figure BDA0002842846600000022
t is the standard hydrogen storage temperature of the hydrogen storage bottle, P is the working pressure, Z is the compression factor of hydrogen under the conditions of the working pressure P and the standard hydrogen storage temperature T, and T isGFor the pressure relief opening temperature, P, of said safety pressure relief deviceGFor the hydrogen storage bottle to be at a pressure relief opening temperature TGRelief pressure under conditions, ZGTo be at the relief pressure PGPressure relief opening temperature TGThe compression factor of hydrogen under conditions, V is the water volume and M is the relative molecular mass of hydrogen.
According to one embodiment of the invention, the area of the safety pressure relief opening is calculated by the following formula;
Figure BDA0002842846600000023
wherein A is the safe pressure relief caliber area of the hydrogen storage bottle,
Figure BDA0002842846600000024
c is a gas characteristic coefficient, k is a relief pressure PGPressure relief opening temperature TGThe adiabatic index of hydrogen under the condition, K is the discharge coefficient of the safety discharge device.
According to an embodiment of the present invention, said calculating said pressure relief caliber according to said safety pressure relief opening area includes: obtaining the type of the hydrogen storage bottle, wherein the type comprises a single-mouth bottle and a double-mouth bottle; if the hydrogen storage bottle is a single-mouth bottle, according to the formula
Figure BDA0002842846600000025
Obtaining the pressure relief caliber r of the hydrogen storage bottle1(ii) a If the hydrogen storage bottle is a double-mouth bottle, according to the formula
Figure BDA0002842846600000026
Obtaining the pressure relief caliber r of the cylinder valve of the hydrogen storage bottle1Decompression caliber r of harmony tail valve2。
According to one embodiment of the invention, the compression factor and the adiabatic exponent are obtained by chemical engineering simulation software aspen plus.
According to one embodiment of the invention, the value range of the release coefficient is 0.6-1.
In order to achieve the above object, a second aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the above method for calculating a pressure relief caliber.
In order to achieve the above object, a third embodiment of the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory, where when the computer program is executed by the processor, the method for calculating a pressure relief caliber is implemented.
In order to achieve the above object, a fourth aspect of the present invention provides a pressure relief caliber calculating device for calculating a pressure relief caliber of a safety pressure relief device for a hydrogen storage bottle, the device comprising: the acquisition module is used for acquiring basic parameters of the hydrogen storage bottle; and the calculation module is used for calculating the safe pressure relief amount of the hydrogen storage bottle according to the basic parameters, calculating the area of a safe pressure relief opening of the hydrogen storage bottle according to the safe pressure relief amount, and calculating the pressure relief caliber according to the area of the safe pressure relief opening.
The pressure relief caliber calculation device provided by the embodiment of the invention calculates the safety pressure relief calibers of the hydrogen storage bottles with different working pressures, water volumes and single and double mouths based on the safety use requirements of the hydrogen storage bottles, thereby providing reliable data basis for the pressure relief caliber design of the TPRD of the hydrogen storage bottles or the model selection of a bottle valve and a tail valve.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a flow chart of a method of calculating a pressure relief caliber according to an embodiment of the invention;
FIG. 2 is a flow chart of a method of calculating a pressure relief caliber according to an embodiment of the invention;
fig. 3 is a block diagram of a pressure relief caliber calculation device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A method and an apparatus for calculating a pressure relief caliber, a storage medium, and an electronic device according to an embodiment of the present invention are described below with reference to the drawings.
Fig. 1 is a flowchart of a pressure relief caliber calculation method according to an embodiment of the present invention.
In this embodiment, the method for calculating the pressure relief caliber is used for calculating the pressure relief caliber of the safety pressure relief device of the hydrogen storage bottle, as shown in fig. 1, the method for calculating the pressure relief caliber comprises the following steps:
s101, obtaining basic parameters of the hydrogen storage bottle.
Wherein the basic parameters may include water volume and working pressure.
S102, calculating the safe discharge amount of the hydrogen storage bottle according to the basic parameters.
Specifically, the safety relief amount may be calculated by the following formula (1):
Figure BDA0002842846600000041
wherein, WsKg/h is the safe discharge amount;
Figure BDA0002842846600000042
t is the standard hydrogen storage temperature of the hydrogen storage bottle, P is the working pressure, Z is the compression factor of hydrogen under the conditions of the working pressure P and the standard hydrogen storage temperature T (such as 15 ℃, namely 288.13K), TGFor the pressure relief opening temperature, P, of said safety pressure relief deviceGFor the hydrogen storage bottle to be at a pressure relief opening temperature TG(i.e., the melting temperature of the alloy, e.g., 110 deg.C., i.e., 383.15K) under conditions of relief pressure, MPa; zGTo be at the relief pressure PGPressure relief opening temperature TGCompression factor of hydrogen under conditions; v is the water volume, L; m is the relative molecular mass of hydrogen and 2.01588kg/kmol can be taken. Wherein the compression factors Z and ZGCan be obtained by chemical engineering simulation software aspen plus.
S103, calculating the area of the safe pressure relief opening of the hydrogen storage bottle according to the safe pressure relief amount.
Specifically, the area of the safety pressure relief opening can be calculated by the following formula (2) according to the GB/T33215-2016 gas cylinder safety pressure relief device of the national standard;
Figure BDA0002842846600000043
wherein A is the safe pressure relief caliber area of the hydrogen storage bottle, and is mm2；
Figure BDA0002842846600000044
C is a gas characteristic coefficient; k is at the relief pressure PGPressure relief opening temperature TGAdiabatic index of hydrogen under the conditions of cp/cv(ii) a K is the discharge coefficient of the safety discharge device, and the value range can be 0.6-1, for example, 0.6 can be conservatively taken. Wherein the adiabatic index k can be obtained by chemical engineering simulation software aspen plus.
And S104, calculating the pressure relief caliber according to the area of the safety pressure relief opening.
Specifically, the calculating the pressure relief caliber according to the area of the safety pressure relief opening may include: obtaining the type of the hydrogen storage bottle, wherein the type comprises a single-mouth bottle and a double-mouth bottle; if the hydrogen storage bottle is a single-mouth bottle, according to the formula
Figure BDA0002842846600000045
Obtaining the pressure relief caliber r of the hydrogen storage bottle1(mm); if the hydrogen storage bottle is a double-mouth bottle, according to the formula
Figure BDA0002842846600000046
Obtaining the pressure relief caliber r of the cylinder valve of the hydrogen storage bottle1(mm) and tail valve pressure relief caliber r2(mm). In other words, if the hydrogen storage bottle is a single-mouth bottle, the pressure-relief caliber r of the selected bottle valve1(mm) can satisfy
Figure BDA0002842846600000047
Then the method is finished; if the hydrogen storage bottle is a double-mouth bottle, the pressure relief caliber r of the selected bottle valve1(mm) and tail valve pressure relief caliber r2(mm) can satisfy
Figure BDA0002842846600000048
And (4) finishing.
In an embodiment of the present invention, as shown in fig. 2, after the calculation of the pressure relief caliber is started, the water volume V and the working pressure P of the hydrogen storage bottle can be firstly identified, and then the safety relief W of the hydrogen storage bottle can be calculated by using the formula (1)sBased on the safety relief amount WsThe area A of the safe pressure relief opening of the hydrogen storage bottle is calculated by using the formula (2). Further, the pressure relief caliber r of the hydrogen storage bottle is designed for the single-mouth bottle1Satisfaction type
Figure BDA0002842846600000051
For double-mouth bottle, the pressure relief bore r of the bottle valve1Decompression caliber r of mixing tail valve2Satisfy the requirement of
Figure BDA0002842846600000052
In summary, the method for calculating the pressure relief caliber of the embodiment of the invention calculates the safety pressure relief calibers of the hydrogen storage bottles with different working pressures, water volumes and single and double openings based on the safety use requirements of the hydrogen storage bottles, thereby providing reliable data basis for the TPRD pressure relief caliber design of the hydrogen storage bottles or the selection of the bottle valves and the tail valves; meanwhile, the compression factor and the adiabatic coefficient of the hydrogen in the high-temperature environment state are considered in the calculation range, so that the calculated data can be more accurate and reliable.
Further, the present invention provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for calculating a pressure relief caliber is implemented.
The computer-readable storage medium of the embodiment of the invention can calculate the safe pressure relief calibers of the single-double-mouth hydrogen storage bottles with different working pressures, water volumes and different working pressures when the computer program corresponding to the pressure relief caliber calculation method stored on the computer-readable storage medium is executed by the processor, and further can provide reliable data basis for the pressure relief caliber design of the TPRD of the hydrogen storage bottles or the selection of the bottle valve and the tail valve.
Further, the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored on the memory, wherein when the computer program is executed by the processor, the method for calculating a pressure relief caliber is implemented.
In the electronic device of the embodiment of the invention, when the computer program corresponding to the pressure relief caliber calculation method stored in the memory of the electronic device is executed by the processor, the safe pressure relief calibers of the hydrogen storage bottles with different working pressures, water volumes and single and double mouths can be calculated, and further, reliable data basis can be provided for the pressure relief caliber design of the TPRD of the hydrogen storage bottles or the type selection of the bottle valve and the tail valve.
Fig. 3 is a block diagram of a pressure relief caliber calculating device according to an embodiment of the present invention.
In this embodiment, the pressure relief caliber calculation device is used for calculating the pressure relief caliber of the safety pressure relief device of the hydrogen storage bottle. As shown in fig. 3, the pressure relief caliber calculation device 100 includes: an acquisition module 110 and a calculation module 120.
Specifically, the acquisition module 110 is used for acquiring basic parameters of the hydrogen storage bottle; the calculation module 120 is configured to calculate a safe pressure relief amount of the hydrogen storage bottle according to the basic parameter, calculate a safe pressure relief opening area of the hydrogen storage bottle according to the safe pressure relief amount, and calculate the pressure relief caliber according to the safe pressure relief opening area.
Wherein the basic parameters may include water volume and working pressure.
In one embodiment of the present invention, the safety relief amount may be calculated by the following formula (1):
Figure BDA0002842846600000053
wherein, WsIn order to achieve said safe amount of relief,
Figure BDA0002842846600000054
t is the standard hydrogen storage temperature of the hydrogen storage bottle, P is the working pressure, Z is the compression factor of hydrogen under the conditions of the working pressure P and the standard hydrogen storage temperature T, and T isGFor the pressure relief opening temperature, P, of said safety pressure relief deviceGFor the hydrogen storage bottle to be at a pressure relief opening temperature TGRelief pressure under conditionsForce, ZGTo be at the relief pressure PGPressure relief opening temperature TGThe compression factor of hydrogen under conditions, V is the water volume and M is the relative molecular mass of hydrogen. Wherein the compression factors P and PGAll can be obtained by chemical simulation software aspen plus
The area of the safety pressure relief opening can be calculated by the following formula (2);
Figure BDA0002842846600000061
wherein A is the safe pressure relief caliber area of the hydrogen storage bottle,
Figure BDA0002842846600000062
c is a gas characteristic coefficient, k is a gas characteristic coefficient at a relief pressure PGPressure relief opening temperature TGThe adiabatic index of hydrogen under the condition, K is the bleed coefficient of the safety bleed device. The adiabatic index can be obtained through chemical engineering simulation software aspen plus, and the value range of the release coefficient is 0.6-1.
Further, the calculating module 120 is specifically configured to obtain the type of the hydrogen storage bottle when calculating the pressure relief caliber according to the area of the safe pressure relief opening, wherein the type includes a single-mouth bottle and a double-mouth bottle; if the hydrogen storage bottle is a single-mouth bottle, according to the formula
Figure BDA0002842846600000063
Obtaining the pressure relief caliber r of the hydrogen storage bottle1(ii) a If the hydrogen storage bottle is a double-mouth bottle, according to the formula
Figure BDA0002842846600000064
Obtaining the pressure relief caliber r of the cylinder valve of the hydrogen storage bottle1Decompression caliber r of harmony tail valve2。
In summary, the pressure relief caliber calculation device according to the embodiment of the present invention calculates the safe pressure relief calibers of the hydrogen storage bottles with different working pressures, water volumes and single and double mouths based on the safe use requirements of the hydrogen storage bottles, thereby providing reliable data bases for the TPRD pressure relief caliber design of the hydrogen storage bottles or the type selection of the bottle valves and the tail valves; meanwhile, the compression factor and the adiabatic coefficient of the hydrogen in the high-temperature environment state are considered in the calculation range, so that the calculated data can be more accurate and reliable.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A method for calculating a pressure relief caliber, which is used for calculating a pressure relief caliber of a safety pressure relief device of a hydrogen storage bottle, the method comprising the steps of:
acquiring basic parameters of the hydrogen storage bottle;
calculating the safe discharge amount of the hydrogen storage bottle according to the basic parameters;
calculating the area of a safe pressure relief opening of the hydrogen storage bottle according to the safe pressure relief amount;
and calculating the pressure relief caliber according to the area of the safe pressure relief opening.
2. The pressure relief caliber calculation method of claim 1, wherein the basic parameters include water volume and working pressure.
3. The pressure relief caliber calculating method according to claim 2, wherein the safety relief amount is calculated by a formula:
Figure FDA0002842846590000011
wherein, WsIn order to achieve said safe amount of relief,
Figure FDA0002842846590000012
t is the standard hydrogen storage temperature of the hydrogen storage bottle, P is the working pressure, Z is the compression factor of hydrogen under the conditions of the working pressure P and the standard hydrogen storage temperature T, and T isGFor the pressure relief opening temperature, P, of the safety pressure relief deviceGFor the hydrogen storage bottle to be at a pressure relief opening temperature TGRelief pressure under conditions, ZGTo be at the relief pressure PGPressure relief opening temperature TGThe compression factor of hydrogen under conditions, V is the water volume and M is the relative molecular mass of hydrogen.
4. The method of calculating the pressure relief orifice according to claim 3, wherein the area of the safety pressure relief orifice is calculated by the following formula;
Figure FDA0002842846590000013
wherein A is the safe pressure relief caliber area of the hydrogen storage bottle,
Figure FDA0002842846590000014
c is gas characteristic coefficient, k is in-leakageRelief pressure PGPressure relief opening temperature TGThe adiabatic index of hydrogen under the condition, K is the discharge coefficient of the safety discharge device.
5. The method according to claim 4, wherein the step of calculating the pressure relief caliber according to the area of the safety pressure relief opening comprises:
obtaining the type of the hydrogen storage bottle, wherein the type comprises a single-mouth bottle and a double-mouth bottle;
if the hydrogen storage bottle is a single-mouth bottle, according to the formula
Figure FDA0002842846590000021
Obtaining the pressure relief caliber r of the hydrogen storage bottle1；
If the hydrogen storage bottle is a double-mouth bottle, according to the formula
Figure FDA0002842846590000022
Obtaining the pressure relief caliber r of the cylinder valve of the hydrogen storage bottle1Decompression caliber r of harmony tail valve2。
6. The pressure relief caliber calculation method according to claim 4, wherein the compression factor and the adiabatic exponent are obtained by aspen plus of chemical simulation software.
7. The pressure relief caliber calculation method according to claim 4, wherein the value range of the relief coefficient is 0.6-1.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the pressure relief caliber calculation method according to any one of claims 1 to 7.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory, wherein the computer program, when executed by the processor, implements the method of calculating a pressure relief caliber according to any one of claims 1-7.
10. A pressure relief caliber calculation device, characterized in that the device is used for calculating the pressure relief caliber of a safety pressure relief device of a hydrogen storage bottle, the device comprises:
the acquisition module is used for acquiring basic parameters of the hydrogen storage bottle;
and the calculation module is used for calculating the safe pressure relief amount of the hydrogen storage bottle according to the basic parameters, calculating the area of a safe pressure relief opening of the hydrogen storage bottle according to the safe pressure relief amount, and calculating the pressure relief caliber according to the area of the safe pressure relief opening.
CN202011498279.2A 2020-12-17 2020-12-17 Pressure relief caliber calculation method and device, storage medium and electronic equipment Pending CN114647899A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116642069A (en) * 2023-04-17 2023-08-25 东风汽车集团股份有限公司 Connector, medium storage system and vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116642069A (en) * 2023-04-17 2023-08-25 东风汽车集团股份有限公司 Connector, medium storage system and vehicle
CN116642069B (en) * 2023-04-17 2024-04-02 东风汽车集团股份有限公司 Connector, medium storage system and vehicle

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