A Self-Calibrated Dual Probe Heat Pulse Sensor for In Situ Calibrating the Probe Spacing

被引:32
|
作者
Liu, Gang [1 ]
Wen, Minmin [1 ]
Chang, Xupei [1 ]
Ren, Tusheng [1 ]
Horton, Robert [2 ]
机构
[1] China Agr Univ, Coll Resources & Environm, Dep Soil & Water, Beijing 100193, Peoples R China
[2] Iowa State Univ, Dep Agron, Ames, IA 50011 USA
关键词
PARALLELEPIPED SAMPLE SPACE; CAPACITY; ERROR;
D O I
10.2136/sssaj2012.0434n
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
Dual probe heat pulse method (DPHP) is a popular method for measuring soil thermal properties. However when this method is applied in the field, the distance between the temperature probe and the heating probe (probe spacing) may change due to probe deflection, and thus cause error in measured heat capacity (c) of soil. We developed a self-calibrated DPHP for in situ calibration of probe spacing, using a temperature probe with two imbedded thermistors (10 mm apart in the longitudinal direction). Experimental results for sand and fine sand samples indicate that this method can significantly reduce error caused by the probe deflection. If we define theta as the inclination angle of probe deviation from the vertical direction, for inward deflection with 0.8 degrees < theta < 0.9 degrees, the error in c is between -8.1 and -14.3%; after in situ calibration, it is between -0.1 and -4.3%. For outward deflection with 3.2 degrees < theta < 3.5 degrees, the error in c is in the range from 22.9 to 38.8%; after in situ calibration, the error reduces to from -3.8 to -7.8%. This new DPHP design may be applied in the field for reducing error caused by probe deflection.
引用
收藏
页码:417 / 421
页数:5
相关论文
共 50 条
  • [1] A general in situ probe spacing correction method for dual probe heat pulse sensor
    Liu, Gang
    Wen, Minmin
    Ren, Ruiqi
    Si, Bing
    Horton, Robert
    Hu, Kelin
    [J]. AGRICULTURAL AND FOREST METEOROLOGY, 2016, 226 : 50 - 56
  • [2] Simplified Computational Approach for Determining In Situ Probe Spacing of a Dual Probe Heat Pulse Sensor
    Wen, Minmin
    Liu, Gang
    Horton, Robert
    [J]. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 2018, 82 (05) : 1113 - 1116
  • [3] Signal processing for in situ detection of effective heat pulse probe spacing radius as the basis of a self-calibrating heat pulse probe
    Kinar, Nicholas J.
    Pomeroy, John W.
    Si, Bing
    [J]. GEOSCIENTIFIC INSTRUMENTATION METHODS AND DATA SYSTEMS, 2020, 9 (02) : 293 - 315
  • [4] Evaluation of a self-correcting dual probe heat pulse sensor
    Wen, Minmin
    Liu, Gang
    Li, Baoguo
    Si, Bing C.
    Horton, Robert
    [J]. AGRICULTURAL AND FOREST METEOROLOGY, 2015, 200 : 203 - 208
  • [5] Coordination Polymer as a Self-Calibrated pH and Amikacin Luminescence Probe
    Wang, Xiaomei
    Li, Yufen
    Tan, Zhenqi
    Liu, Lanqing
    Li, Yong-Hua
    Zhou, Xinhui
    You, Yujian
    Wang, Shi
    Xiao, Hong-Ping
    [J]. CRYSTAL GROWTH & DESIGN, 2023, 23 (09) : 6851 - 6859
  • [6] Self-calibrated fiber optic transflection probe for NO2 detection
    John, MS
    Singh, JP
    [J]. INDUSTRIAL AND HIGHWAY SENSORS TECHNOLOGY, 2003, 5272 : 110 - 115
  • [7] Self-Calibrated Cluster Counts as a Probe of Primordial Non-Gaussianity
    Oguri, Masamune
    [J]. PHYSICAL REVIEW LETTERS, 2009, 102 (21)
  • [8] Self-Calibrated Measurement of Ion Flow Using a Fine Multihole Directional Langmuir Probe
    Terasaka, Kenichiro
    Yoshimura, Shinji
    Katahira, Tetsushi
    Ogiwara, Kohei
    Aramaki, Mitsutoshi
    Tanaka, Masayoshi Y.
    [J]. JAPANESE JOURNAL OF APPLIED PHYSICS, 2010, 49 (03)
  • [9] Self-calibrated fluorescent probe resembled as an indicator of the lysosomal phosphatase pertaining to the cancer cells
    Podder, Arup
    Alex, Susan M.
    Maiti, Mrinmoy
    Maiti, Kaustabh Kumar
    Bhuniy, Sankarprasad
    [J]. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY, 2017, 177 : 105 - 111
  • [10] Triple-Interpenetrated Lanthanide-Organic Framework as Dual Wave Bands Self-Calibrated pH Luminescent Probe
    Hou, Sheng-Li
    Dong, Jie
    Tang, Meng-Hua
    Jiang, Xiao-Lei
    Jiao, Zhuo-Hao
    Zhao, Bin
    [J]. ANALYTICAL CHEMISTRY, 2019, 91 (08) : 5455 - 5460