阅读说明：本技术 一种隔热措施传热效果测试试验装置 (A kind of provision for thermal insulation heat-transfer effect test and experiment device ) 是由 王龙飞 薛赪 尹玉婷 刘永丰 黄树和 杨震寰 任宇泽 于 2019-08-07 设计创作，主要内容包括：本发明提供了一种隔热措施传热效果测试试验装置,包括燃油加热器、导火桶、安装平台、试件,所述试件设置在安装平台上,在所述试件中设有第一冷却水腔,所述第一冷却水腔一端与进水管路连接,另一端与出口管路连接,且所述出口管路上从左到右依次设有压力传感器、调节阀、流量传感器,所述试件下方设有导火桶,所述导火桶与燃油加热器连接,所述导火桶外侧设有第二冷却水腔,所述试件底部均匀设有多个测试孔,每个所述测试孔内均设有温度传感器和热流密度传感器,所述温度传感器和热流密度传感器均连接至温度/热流密度测量仪。本发明有益效果：相比传统流动传热试验装置,该试验装置可以测试试件不同隔热措施下的热流及传热变化。(The present invention provides a kind of provision for thermal insulation heat-transfer effect test and experiment devices, including fuel heater, lead fiery bucket, mounting platform, test specimen, the test specimen is arranged on mounting platform, the first cooling water cavity is equipped in the test specimen, first cooling water cavity one end is connect with inlet pipeline, the other end is connect with export pipeline, and pressure sensor is from left to right successively arranged on the export pipeline, regulating valve, flow sensor, it is equipped with below the test specimen and leads fiery bucket, it is described to lead fiery bucket and connect with fuel heater, described lead is equipped with the second cooling water cavity on the outside of fiery bucket, the test specimen bottom is uniformly provided with multiple instrument connections, temperature sensor and heat-flow density sensor are equipped in each instrument connection, the temperature sensor and heat-flow density sensor are connected to temperature/heat flux gauges.The invention has the advantages that: compared to tradition flowing Experimental Study of Heat Transfer device, which can test hot-fluid and heat transfer variation under test specimen difference provision for thermal insulation.)

1. a kind of provision for thermal insulation heat-transfer effect test and experiment device, it is characterised in that: including fuel heater, lead fiery bucket, installation Platform, test specimen, the test specimen are arranged on mounting platform, and the first cooling water cavity is equipped in the test specimen, and described first is cooling Water cavity one end is connect with inlet pipeline, and the other end is connect with export pipeline, and is from left to right successively arranged on the export pipeline Pressure sensor, regulating valve, flow sensor, the test specimen lower section, which is equipped with, leads fiery bucket, described to lead fiery bucket and fuel heater company It connects, described lead is equipped with the second cooling water cavity on the outside of fiery bucket, the test specimen bottom is uniformly provided with multiple instrument connections, each test Temperature sensor and heat-flow density sensor are equipped in hole, the temperature sensor and heat-flow density sensor are connected to temperature Degree/heat flux gauges.

2. a kind of provision for thermal insulation heat-transfer effect test and experiment device according to claim 1, it is characterised in that: the fuel oil The smoke that heater generates is discharged by smoke discharging pipe.

3. a kind of provision for thermal insulation heat-transfer effect test and experiment device according to claim 1, it is characterised in that: described to lead fire Bucket top is equipped with heat-insulating washer, and the heat-insulating washer is between mounting platform and test specimen.

Technical field

The invention belongs to heat-insulating technique fields, more particularly, to a kind of provision for thermal insulation heat-transfer effect test and experiment device.

Background technique

Low heat rejection engine major measure is thermally shielded to the main heated component in combustion chamber.Engine uses heat-insulated skill The postoperative heat transfer loss for reducing engine improves the thermal efficiency, increases power density etc..

Engine body heat dissipation capacity is reduced, mainly to combustion chamber surrounding components, including cylinder cap, piston, cylinder sleeve and gas The components such as door, are thermally shielded measure application, and current adoptable provision for thermal insulation is high thermal resistance metal, Thermal Barrier Coating Technologies and pottery Porcelain component and ceramic insert technology.

Low heat emission reliability it is crucial that provision for thermal insulation service life.It need to be to the reliability application of provision for thermal insulation and corresponding Compatibility of deformation and failure mechanism need to carry out a large amount of experimental study, determine the technical solution of mature and reliable, be low heat emission diesel oil The no successful most important condition of function.

And tradition flowing Experimental Study of Heat Transfer device cannot test hot-fluid and heat transfer variation under test specimen provision for thermal insulation.

Summary of the invention

In view of this, the present invention is directed to propose a kind of provision for thermal insulation heat-transfer effect test and experiment device, simulation test specimen are taken Heat transfer variation and influence factor after provision for thermal insulation.

In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:

A kind of provision for thermal insulation heat-transfer effect test and experiment device, including fuel heater, fiery bucket, mounting platform, test specimen are led, The test specimen is arranged on mounting platform, is equipped with the first cooling water cavity in the test specimen, first cooling water cavity one end with Inlet pipeline connection, the other end connect with export pipeline, and be from left to right successively arranged on the export pipeline pressure sensor, Regulating valve, flow sensor are equipped with below the test specimen and lead fiery bucket, described to lead fiery bucket and connect with fuel heater, described to lead fire Bucket outside is equipped with the second cooling water cavity, and the test specimen bottom is uniformly provided with multiple instrument connections, is equipped in each instrument connection It is close that temperature sensor and heat-flow density sensor, the temperature sensor and heat-flow density sensor are connected to temperature/hot-fluid Spend measuring instrument.

Further, the smoke that the fuel heater generates is discharged by smoke discharging pipe.

Further, described to lead fiery bucket top equipped with heat-insulating washer, the heat-insulating washer be located at mounting platform and test specimen it Between.

Compared with the existing technology, provision for thermal insulation heat-transfer effect test and experiment device of the present invention has the advantage that

Provision for thermal insulation heat-transfer effect test and experiment device of the present invention is compared to tradition flowing Experimental Study of Heat Transfer device, the examination Experiment device can test hot-fluid and heat transfer variation under test specimen difference provision for thermal insulation.

Detailed description of the invention

The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is provision for thermal insulation heat-transfer effect test and experiment device structural schematic diagram described in the embodiment of the present invention.

Description of symbols:

1- fuel heater；The first cooling water cavity of 2-；3- leads fiery bucket；4- mounting platform；5- flow sensor；6- is adjusted Valve；7- pressure sensor；8- test specimen；9- heat-insulating washer；10- temperature/Heat flux calculation；The second cooling water cavity of 11-；12- row Smoke pipeline.

Specific embodiment

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figure 1, a kind of provision for thermal insulation heat-transfer effect test and experiment device, including mounting platform 4, test specimen 8, the examination Part 8 be arranged on mounting platform 4, in the test specimen 8 be equipped with the first cooling water cavity 2, described first cooling water cavity, 2 one end with into Water lines connection, the other end connect with export pipeline, and be from left to right successively arranged on the export pipeline pressure sensor 7, Regulating valve 6, flow sensor 5 adjust cooling water flow by regulating valve 6, are equipped with below the test specimen 8 and lead fiery bucket 3, described to lead Fiery bucket 3 is connect with fuel heater 1, and described lead is equipped with the second cooling water cavity 11 on the outside of fiery bucket 3, cooling using recirculated cooling water, The fiery sufficiently heat dissipation of bucket 3 is led in guarantee, and 8 bottom of test specimen is uniformly provided with multiple instrument connections, is equipped with temperature in each instrument connection Degree sensor and heat-flow density sensor, the temperature sensor and heat-flow density sensor are connected to temperature/heat flow density Measuring instrument 10.Arrow direction is circular flow direction in figure.

The fuel heater 1 is also connect with smoke discharging pipe 12, and the smoke of generation is discharged by smoke discharging pipe.

Described to lead fiery 3 top of bucket equipped with heat-insulating washer 9, the heat-insulating washer 9 is protected between mounting platform 4 and test specimen 8 Card leads fiery 3 top heat of bucket and is conducted heat by test specimen 8.

Light diesel fuel flame combustion, safety and environmental protection are used in the fuel heater 1.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.