CN102288379A - Heat radiator structure for vehicle and heat radiation performance analysis system and method - Google Patents
Heat radiator structure for vehicle and heat radiation performance analysis system and method Download PDFInfo
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- 239000006185 dispersion Substances 0.000 claims description 38
- 230000017525 heat dissipation Effects 0.000 claims description 35
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Abstract
The invention discloses a heat radiator structure for a vehicle and a heat radiation performance analysis system and a method. The heat radiator structure comprises a wind tunnel test sub system, a test data collecting sub system, a Web server, a database, an enterprise website and a client. The heat radiator structure, the system and the method have the advantages that the heat radiator structure for the vehicle can be analyzed for carrying out heat radiation performance analysis, the development cost is reduced, the accuracy and the scientificity of test design and analysis are improved, the design period is shortened, and the design quality is improved.
Description
Technical field
The present invention relates to a kind of car radiator technical field, specifically, relate to the system and method that a kind of car radiator structure and heat dispersion are analyzed.
Background technology
Automobile radiators is the vitals in the engine-cooling system, and its function is that the part heat in the engine cylinder-body is passed to atmosphere by liquid coolant in the cooling system and fan.At the automobile different model, the specification of heating radiator product also has nothing in common with each other.The cooling effect of automobile radiators depends primarily on the design of its service condition and each parts of system and rationally mates, and the rationality of each parts match has very big influence to the usability of heating radiator.
The purpose of automobile radiators is to make automobile under the driving conditions of all changes, can both play a part to adapt to engine, just keeps the suitable working temperature of engine.Therefore, be the variation that requirement can adapt to driving conditions as the necessary condition that designs heating radiator, the variation of coupling engine radiating amount.The heat that heating radiator will be taken away engine mainly skims in the finned tube outside by air, and water flows in pipe, and the exchange heat between the empty G﹠W is undertaken by tube wall and fin surface.Flowing of empty G﹠W is the noncontact cross-current.In order to mate different motor car engines, at first need to be grasped the heat dissipation capacity of corresponding heating radiator, the heat transfer property of heating radiator is studied and estimated.On this basis, research fansink designs parameter is to the influence of heat transfer property, the basic parameter of studying different motor car engines is (as engine cylinder number, the spread pattern of cylinder, valve, discharge capacity, maximum power output, peak torque etc.), and in conjunction with the installation dimension of heating radiator, determine that the fansink designs parameter is as (heating radiator physical dimension is wide * high * thick, welded tube row number, tube pitch, fin wave height, the pitch of waves, thickness and pipe section size etc.).
In the heating radiator product design, design parameter is many, and workload is big, and the subject that relates to is very numerous and diverse, comprising many-sided factors such as thermodynamics, fluid mechanics and mechanics.Because the requirement that modern product updates is more and more higher, adapts with it, requires designer's level professional technology higher, the design cycle is short.Therefore, development system and method that a kind of structure of car radiator fast and effectively and heat dispersion are analyzed can improve design accuracy, shorten the design cycle, improve designing quality.
Summary of the invention
Fundamental purpose of the present invention provides the system and method for a kind of car radiator structure and heat dispersion analysis, has analyzed the car radiator structure, carries out the heat dispersion analysis, reduces R﹠D costs, improves the accuracy and the science of test design and analysis.
The present invention adopts following technological means to realize goal of the invention:
The system that a kind of car radiator structure and heat dispersion are analyzed is characterized in that, comprising:
Wind tunnel test subsystem: be used to carry out wind tunnel test, measure the heat dissipation capacity size of different heating radiators when wind speed and discharge variation, analyze of the influence of fansink designs parameter, and analyze the matching relationship of heat dissipation capacity and fansink designs parameter the heating radiator heat transfer property;
Test figure acquisition subsystem: be used to collect results of wind tunnel information, comprise heat dissipation capacity;
Web server: the wind tunnel test information that is used for the transmission of acceptance test data acquisition subsystem, the wind tunnel test of reception user input and heat spreader structures information inquiry, heat dispersion analysis, call the corresponding software functional module, inquiry, analysis wind tunnel test and heat spreader structures information, and according to wind tunnel test and heat spreader structures information analysis outcome research heat spreader structures and heat dispersion thereof;
Database: be connected in Web server by database, store various wind tunnel test information and heat spreader structures and heat dispersion information, comprise inflow temperature, leaving water temperature, water temperature difference, discharge, heat dissipation capacity, EAT, leaving air temp, wind-warm syndrome is poor, air severe, wind speed, the weight wind speed, air quantity, caloric receptivity, liquid gas total temperature difference, the thermal equilibrium error, liquid gas mean temperature difference (MTD), coefficient of heat transfer, standard heat-emission, water resistance, windage, the core body height, core body thickness, core body length, the pipe number, tube section is long, tube section is wide, the fin wave height, the fin pitch of waves, fin thickness etc.;
Enterprise web site is user inquiring, analysis wind tunnel test information and heat spreader structures and heat dispersion;
Client: a group client, each client computer provides an interactive user interface, is convenient to logging in system by user, inquiry, the heat dispersion analysis of information such as input wind tunnel test, heat spreader structures, and show inquiry, analysis result.
As the further qualification to the technical program, described Web server comprises:
The information inquiry module is used to retrieve the heating radiator that mates with corresponding engine;
The heat spreader structures design module is used to design the structure of new radiator;
The engine parameter module is used for analyzing, being provided with engine parameter;
The test parameters module is used for analyzing, being provided with test parameters;
The test data sheet module is used for collection, analytical test record;
Heat dissipation capacity comparative analysis module is used to study the size of the heat dissipation capacity of different heating radiators when wind speed and discharge change, and the heat dispersion of the different heat spreader structures of comparative analysis provides the best heat spreader structures that meets the demands.
The invention also discloses the method that a kind of car radiator structure and heat dispersion are analyzed, it is characterized in that, may further comprise the steps:
(a) receive the engine requirement;
(b) require to determine the radiator heat-dissipation requirement according to engine;
(c) require searching database according to radiator heat-dissipation, whether research has suitable heat spreader structures;
(d), do not retrieve then whether close heat spreader structures is arranged if there is the heat spreader structures that is suitable for if there is suitable heat spreader structures then to obtain best heat spreader structures;
(e) if there is close heat spreader structures then to analyze heat dispersion on this heat spreader structures basis, how research adjusts heat spreader structures satisfying the radiator heat-dissipation requirement, and the confirmed test scheme is carried out wind tunnel test;
(f), study how heat spreader structures is set satisfying the radiator heat-dissipation requirement, and the confirmed test scheme is carried out wind tunnel test if no close heat spreader structures is then analyzed the heat spreader structures characteristics according to theoretical method;
(g) carry out analysis of experiments according to results of wind tunnel, the research heat spreader structures is to the role and influence of heat dispersion, adjust heat spreader structures and testing program according to result of study, and carry out repeatedly wind tunnel test and analysis of experiments, finally determine to satisfy the best heat spreader structures of radiator heat-dissipation requirement.
Compared with prior art, advantage of the present invention and good effect are: the present invention can analyze the car radiator structure, carries out the heat dispersion analysis, reduce R﹠D costs, improve the accuracy and the science of test design and analysis, shortened the design cycle, improved designing quality.
Below in conjunction with accompanying drawing and preferred embodiment the present invention is done further to describe in detail.
As shown in Figure 1, be that the present invention is used for car radiator structure and the development system of heat dispersion analysis and the hardware structure figure of method.This system comprises a wind tunnel test subsystem 10, one test figure acquisition subsystems 11, one Web servers 12, one databases 14, one enterprise web sites 15, a series of client computer 17.Wherein each client computer 17 provides an interactive user interface, and be convenient to the user and login enterprise web site 15, inquiry, the analysis condition of input wind tunnel test information and heat spreader structures and heat dispersion, and show inquiry, analysis result.Enterprise web site 15 links to each other with Web server 12, for user inquiring, analyze wind tunnel test information and heat spreader structures and heat dispersion one job platform is provided.Web server 12 includes a series of software function modules, the user receive user input wind tunnel test information and heat spreader structures and heat dispersion inquiry, call the corresponding software functional module, inquiry, analysis wind tunnel test information and heat spreader structures and heat dispersion, and according to analysis result setting, adjustment wind tunnel test scheme, heat spreader structures and heat dispersion are analyzed, adjust, determined to monitoring, measurement results of wind tunnel.Database 14 is used to store wind tunnel test data message, heat spreader structures and heat dispersion information and to inquiry, analysis condition and the result of wind tunnel test information and heat spreader structures and heat dispersion.
Described client computer 17 links to each other with enterprise web site 15 by a network.Network can be intranet (Intranet), also can be the communication network of Internet (Internet) or other types.Web server 12 connects database 14.The database connected mode can adopt given data storehouse connected mode, as the open type data storehouse connect (Open Database Connectivity, ODBC), or the Java database connect (Java Database Connectivity, JDBC) etc.
As shown in Figure 2, be that the present invention is used for car radiator structure and the development system of heat dispersion analysis and the wind tunnel test system Organization Chart of method.This wind tunnel test subsystem 10 includes a main heating cabinet 1001, one auxiliary heating case 1002, one leaving water temperature tester 1003, one blower fan, 1004, one electric actuator, 1005, one water circulating pumps 1006, one flowmeter 1007, one test specimen, 1008, one inflow temperature testers, 1009, one wind speed testers 1010.
As shown in Figure 3, be the software function module figure that the present invention is used for the Web server of development system that car radiator structure and heat dispersion analyze and method.This Web server 12 comprises an engine parameter module 1201, test parameters module 1202, test data sheet module 1203, heat dissipation capacity comparative analysis module 1204, heat spreader structures design module 1205, information inquiry module 1206.
Described engine parameter module 1201 is used for the engine parameter relevant information of subscribing client 17 input, and provides maintenance functions such as newly-increased, deletion, inquiry to above-mentioned information.
Test data sheet module 1203 is used for the wind tunnel test relevant information that acceptance test data acquisition subsystem 11 transmission and client computer 17 are imported, and provides maintenance functions such as newly-increased, deletion, inquiry to above-mentioned information.
Heat dissipation capacity comparative analysis module 1204 is used for the heat dissipation capacity relevant information of subscribing client 17 inputs, and provide maintenance functions such as newly-increased, deletion, inquiry to above-mentioned information, simultaneously above-mentioned information is provided the comparative analysis function of heat spreader structures, front face area, area of dissipation, engine parameter etc.
Heat spreader structures design module 1205 is used for the heat spreader structures parameter correlation information of subscribing client 17 input, and provides maintenance functions such as newly-increased, deletion, inquiry to above-mentioned information.And pass through test figure acquisition subsystem 11 to wind tunnel test subsystem 10 transmission test parameter correlation information.
As shown in Figure 4, be that the present invention is used for car radiator structure and the development system of heat dispersion analysis and the key operation process flow diagram of method.At first, the engine parameter that engine parameter module 1201 reception users are imported by login enterprise web site 15 requires (step S201), require to determine that according to engine radiator heat-dissipation requires (step S202), by the radiator heat-dissipation data in the Query Database 14, whether suitable heat spreader structures (step S203) is arranged in the judgment data storehouse 14.
If suitable heat spreader structures is arranged, then obtain best heat spreader structures (step S210).If there is not suitable heat spreader structures, then whether the radiator heat-dissipation data in the Query Database 14 have close heat spreader structures (step S204) in the judgment data storehouse 14.
If close heat spreader structures is arranged, then on this heat spreader structures basis, analyze heat dispersion, require to adjust heat spreader structures (S205) according to radiator heat-dissipation, and definite wind tunnel test scheme (S207).If there is not close heat spreader structures, then analyze the heat spreader structures characteristics according to theoretical method, require to be provided with heat spreader structures (S206) according to radiator heat-dissipation, and definite wind tunnel test scheme, test parameters module 1202 receives the wind tunnel test scheme (S207) that the user is imported by login enterprise web site 15.
Web server transmits the wind tunnel test schemes by test figure acquisition system 11 to wind tunnel test subsystem 10, carry out wind tunnel test, gather the wind tunnel test data by test figure acquisition subsystem 11, the wind tunnel test data (S208) of test data sheet module 1203 acceptance test acquisition subsystems 11 transmission.
Heat dissipation capacity comparative analysis module 1204 is analyzed results of wind tunnel respectively and whether is satisfied radiator heat-dissipation requirement (S209) from aspects such as heat spreader structures, front face area, area of dissipation, engine parameters.
If results of wind tunnel can satisfy the radiator heat-dissipation requirement, then obtain best heat spreader structures (S210).If results of wind tunnel can not satisfy the radiator heat-dissipation requirement, then readjust, determine the wind tunnel test scheme, test parameters module 1202 receives the wind tunnel test scheme (S207) that the user is imported by login enterprise web site 15.
Claims (3)
1. the system that analyzes of car radiator structure and heat dispersion is characterized in that, comprising:
Wind tunnel test subsystem: be used to carry out wind tunnel test, measure the heat dissipation capacity size of different heating radiators when wind speed and discharge variation, analyze of the influence of fansink designs parameter, and analyze the matching relationship of heat dissipation capacity and fansink designs parameter the heating radiator heat transfer property;
Test figure acquisition subsystem: be used to collect results of wind tunnel information, comprise heat dissipation capacity;
Web server: the wind tunnel test information that is used for the transmission of acceptance test data acquisition subsystem, the wind tunnel test data of reception user input and heat spreader structures information inquiry, heat dispersion analysis, call the respective queries software function module, match information between inquiry, analysis wind tunnel test and the heat spreader structures, and according to wind tunnel test data and heat spreader structures information analysis result, research heat spreader structures and heat dispersion thereof;
Database: be connected in Web server by database, store various wind tunnel test information and heat spreader structures and heat dispersion information, comprise inflow temperature, leaving water temperature, water temperature difference, discharge, heat dissipation capacity, EAT, leaving air temp, wind-warm syndrome is poor, air severe, wind speed, the weight wind speed, air quantity, caloric receptivity, liquid gas total temperature difference, the thermal equilibrium error, liquid gas mean temperature difference (MTD), coefficient of heat transfer, standard heat-emission, water resistance, windage, the core body height, core body thickness, core body length, the pipe number, tube section is long, tube section is wide, the fin wave height, the fin pitch of waves, fin thickness etc.;
Enterprise web site is user inquiring, analysis wind tunnel test information and heat spreader structures and heat dispersion;
Client: a group client, each client computer provides an interactive user interface, is convenient to logging in system by user, inquiry, the analysis condition of information such as input wind tunnel test, heat spreader structures, and show inquiry, analysis result.
2. according to the system of described car radiator structure of claim 1 and heat dispersion analysis, it is characterized in that described Web server comprises:
The information inquiry module is used to retrieve the heating radiator that mates with corresponding engine;
The heat spreader structures design module is used to design the structure of new radiator;
The engine parameter module is used for analyzing, being provided with engine parameter;
The test parameters module is used for analyzing, being provided with test parameters;
The test data sheet module is used for collection, analytical test record;
Heat dissipation capacity comparative analysis module is used to study the size of the heat dissipation capacity of different heating radiators when wind speed and discharge change, and the heat dispersion of the different heat spreader structures of comparative analysis provides the best heat spreader structures that meets the demands.
3. the method analyzed of car radiator structure and heat dispersion is characterized in that, may further comprise the steps:
(a) receive the engine requirement;
(b) require to determine the radiator heat-dissipation requirement according to engine;
(c) require searching database according to radiator heat-dissipation, whether research has suitable heat spreader structures;
(d), do not retrieve then whether close heat spreader structures is arranged if there is the heat spreader structures that is suitable for if there is suitable heat spreader structures then to obtain best heat spreader structures;
(e) if there is close heat spreader structures then to analyze heat dispersion on this heat spreader structures basis, how research adjusts heat spreader structures satisfying the radiator heat-dissipation requirement, and the confirmed test scheme is carried out wind tunnel test;
(f) how heat spreader structures is set satisfying the radiator heat-dissipation requirement if no close heat spreader structures then according to heat transfer theory fundamental analysis heat spreader structures characteristics, is studied, and the confirmed test scheme is carried out wind tunnel test;
(g) carry out analysis of experiments according to results of wind tunnel, the research heat spreader structures is to the role and influence of heat dispersion, adjust heat spreader structures and testing program according to result of study, and carry out repeatedly wind tunnel test and analysis of experiments, finally determine to satisfy the best heat spreader structures of radiator heat-dissipation requirement.
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Address after: 271400 office building of Haili auto parts science and Technology Park, middle section of Panlongshan Avenue, Ningyang Economic Development Zone, Tai'an City, Shandong Province Patentee after: Shandong Xingneng Thermal Energy Technology Co.,Ltd. Patentee after: University of Jinan Address before: 271400 office building of Haili auto parts science and Technology Park, middle section of Panlongshan Avenue, Ningyang Economic Development Zone, Tai'an City, Shandong Province Patentee before: Shandong Haili Tongchuang Cooling Technology Development Co.,Ltd. Patentee before: University of Jinan |
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