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北京石油化工学院2026年研究生招生接收调剂公告

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zhang-81

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[交流] 30金币求助5句话，禁止软件翻译

1.The values of Rs and l of the test specimen are calculated automatically, once T1, T2 and Q have been measured. Results are accurate provided that the test temperatures fall within the limits used during calibration, and that Rs does not fall outside the calibration range obtained with the reference specimens.
2. At each set of conditions, solve Eq 1 mathematically for N and Ro, using a linear regression analysis of the results for several sets of data for Rs and (T1− T2)/Q produced as a result of testing several calibration specimens. A similar series of tests carried out at the different temperatures provides
new values of N and Ro.
3. At each set of conditions, solve Eq 1 mathematically for N and Ro after measuring a pair of reference specimens to yield two sets of data for Rs and (T1−T2)/Q. Eq 1 can be used subsequently to determine Rs of the test specimen following measurement of T1, T2, and Q providing the calculated Rs falls within the calibration range corresponding to the particular pair of reference specimens in accordance with 9.2. By calibrating with additional reference specimens of different thermal resistances, several linear equations can be generated, each covering a part of the overall range
4.he heat flux transducer (HFT) is a device that will generate an electrical signal in proportion to the heat flux across it. The level of output required (sensitivity) greatly depends on the rest of the instrumentation used to read it. The overall performance of the HFT and its readout instrumentation shall be such as to meet the requirements in Section 13
5. The loading force must be transmitted to the stack through a gimball joint (2) that allows up to 5° swivel in the plane perpendicular to the axis of the stack.
Suitable insulator plate (3) separates the gimball joint from the top plate (4).

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1楼 2011-03-30 11:49:28

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

emmanuel0227

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zhang-81(金币+30, 翻译EPI+1): thx 2011-03-30 15:43:05

引用回帖:

Originally posted by zhang-81 at 2011-03-30 11:49:28:
1.The values of Rs and l of the test specimen are calculated automatically, once T1, T2 and Q have been measured. Results are accurate provided that the test temperatures fall within the limits use ...

1. 一旦测试出T1, T2和Q值，就会自动计算出测试棒的Rs 和l值。加入测试温度降幅在校准限定范围内，Rs 和l值的结果是接确的， Rs不会超出对照样品得到的校准范围。
2. 在每组条件下，通过对照样品测试得到的若干组RS和 (T1− T2)/Q的数据进行线性回归分析，用Eq.1来自动计算N和RO. 同时在不同温度条件下做一组类似的测试。
3、在每组条件下，测试一对照样品从而得到两组RS和 (T1− T2)/Q的数据，然后用Eq.1来自动计算N和RO。假如计算的RS下降在校准范围以内（该校准范围根据在与9.2一致的另外一对对照样品确定的），则在进行T1，T2和Q测试之后，用Eq 1来确定RS对照样本。通过不同热阻的另外一对对照样品，能够建立若干线性方程，每个线性方程会对应总范围的一部分。
4、HFT是一种能对横截面穿过的热量产生电流型号的装置。灵敏度水平主要取决于其他数据读取仪器。HFT的总性能和它的读取器符合13节所提出的要求。
5、载荷必须传送给方向节点2装置，而该节点只容许在垂直于装置的平面上旋转5°。
配套的绝缘板使方向节点和顶部的金属板绝缘。

仅供参考。

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