The Use of Regression Equations to Increase the Usefulness of Historical Temperature Data in On-line Pest Management 1

1977 ◽  
Vol 6 (3) ◽  
pp. 393-399 ◽  
Author(s):  
W. C. Fulton ◽  
D. L. Haynes
Keyword(s):  
Pest Management ◽  
Temperature Data ◽  
Regression Equations ◽  
On Line ◽  
Historical Temperature

scholarly journals Development and Assessment of an On-Line High Plains Integrated Pest Management Guide for a Regional Audience

2006 ◽  
Vol 52 (1) ◽  
pp. 30-35 ◽  
Author(s):  
William T. Lanier ◽  
Michael J. Brewer ◽  
Frank B. Peairs ◽  
Gary L. Hein ◽  
Howard F. Schwartz ◽  
...  
Keyword(s):  
Integrated Pest Management ◽  
Pest Management ◽  
High Plains ◽  
On Line

Research on Wireless Temperature Measurement System for Electrical Equipment

2014 ◽  
Vol 721 ◽  
pp. 523-526
Author(s):  
Xiang Li Wang ◽  
Yu Gui Nian ◽  
Dong Dong Cai
Keyword(s):  
Energy Efficiency ◽  
Temperature Measurement ◽  
Production Efficiency ◽  
Electrical Equipment ◽  
Temperature Data ◽  
Living Standards ◽  
Measuring Point ◽  
Measurement Software ◽  
Historical Temperature ◽  
Temperature Measurement System

As one of the important parameters for the production process of industry, agriculture and military, temperature can affect the production efficiency, energy efficiency and people’s living standards. The temperature measurement has been widely noted and studied. Firstly, the software can receive the temperature of measuring point, and store the value in the database. Secondly, when the temperature exceeds the specified range, the software will give an alarm. The software can view the historical temperature data and draw the curve of temperature. Finally, the software can query and modify the information of the measuring point, such as number, name, normal temperature range of equipment, etc. Based on the existing research results, this paper describes the design and implement of wireless temperature measurement software for electrical equipment.

scholarly journals FAO-56 Penman-Monteith DailyETofrom Linear Regression Calibrated Hargreaves Equation with Wind Terms in Tropics with Limited Data

2014 ◽  
Vol 2014 ◽  
pp. 1-9 ◽  
Author(s):  
Eric Kra
Keyword(s):  
Linear Regression ◽  
Quadratic Function ◽  
Constant Term ◽  
Calibration Method ◽  
Temperature Data ◽  
Limited Data ◽  
Wide Range ◽  
Hargreaves Equation ◽  
Historical Temperature ◽  
Monteith Equation

Hargreaves equation (HG), which lacks a wind speed (u2) term, was modified, through a linear regression calibration method, into LHGu which hasu2terms. LHGu is effectively a simplified method for approximating FAO-56 Penman-Monteith equation (FPM) daily reference evapotranspiration (ETo) in tropics with only temperature data. In LHGu, the “0.0023” constant term in HG was calibrated as a shifted power function ofu2, and the calibration constant was parametrized as a quadratic function ofu2. LHGu was developed using simulated constantu2data and historical temperature data for four sites in West Africa: Abidjan, Accra, Daloa, and Lome. LHGu matched FPMETobetter than HG over a wide range ofu2: for Accra, foru2range 0.5–6.0 m/s, the modified coefficient of efficiency,E1, varied narrowly (0.83–0.98) for LHGu but widely (0.14–0.95) for HG optimized foru2=2.0 m/s; the corresponding MBE ranges were −0.05–0.01 mm/d for LHGu and 0.02–0.63 mm/d for HG which cannot respond to varying dailyu2. LHGu is useful for quickly computing practically accurate estimates of FPMETofor varying dailyu2where only temperature data are available.

Cyclic Operation of Supercritical High Pressure Feedwater Heater Study

2013 ◽  
Author(s):  
Kellen Muldoon
Keyword(s):  
High Pressure ◽  
Renewable Energy Sources ◽  
Primary Component ◽  
Temperature Data ◽  
Actual Performance ◽  
Cyclic Operation ◽  
On Line ◽  
Full Power ◽  
Flexible Load ◽  
Recent Project

As more renewable energy sources come on line with the inherent inconsistency of load dispatch feedwater heaters become subject to more frequent and rapid cyclic operation. In a recent project, American Exchanger Services (AM-EX) was asked to gather and analyze operating information on a high pressure feedwater heater during daily rapid load changes. This particular supercritical coal plant was designed to operate in flexible load environments, thus acquiring data during the summer months was optimal. The heater was run from rest to full power while temperature data was acquired. All data from the study and supporting plant information was used to generate models for preparing maintenance projections, informing future designs, and repair recommendations. The primary component of focus is the desuperheating zone exhaust where tube failure tends to be greatest caused by wet wall conditions. The result of the analysis was less conclusive than was anticipated. Actual performance of the heaters is a key issue and there were specific indications that the heaters were not performing to specifications. A more detailed thermal performance analysis using the ASME PTC12.1 should be considered to accurately determine the extent to which the heaters are meeting design performance.

Classification of Surface Temperature for the Flexible Pavement Design

2017 ◽  
Author(s):  
Rita Kleizienė ◽  
Audrius Vaitkus ◽  
Jurgita Židanavičiūtė ◽  
Evaldas Marcinkevičius
Keyword(s):  
Surface Temperature ◽  
Temperature Data ◽  
Pavement Design ◽  
Traffic Loading ◽  
The Road ◽  
Weather Information ◽  
Cause Of Failure ◽  
Pavement Structures ◽  
Historical Temperature ◽  
The Impact

Surface temperature significantly affects the asphalt layers modulus and entire pavement structure response to vehicles traffic loading. Because of the rheological properties of bitumen binders, the asphalt performs similarly to temperature-susceptible visco-elastic materials. The historical temperature data of local regions is necessary to design sustainable pavement structures. Likewise, the layers’ material mechanical properties determined at specific temperatures is essential for proper design too. This paper presents an analysis of pavement surface temperature classification results. Data analysis covers temperature data from the Road Weather Information Stations from the past ten years. An analysis of various temperature profile forecast methods is presented, followed by a review of recent research on the impact of temperature and cause of failure. Particular emphasis is laid on sorting the qualitative temperature data. The complete linkage clustering method had been used for establishing the most similar pairs for classification. Accordingly, the territory of Lithuania was divided into three main regions with different pavement temperature distributions for each temperature interval. Temperature classification along these lines enables pavement responses to be estimated over the pavement design life.

Quality control and homogenization of the Belgian historical temperature data

2018 ◽  
Vol 39 (1) ◽  
pp. 157-171 ◽  
Author(s):  
Charles Delvaux ◽  
Romain Ingels ◽  
Vladimír Vrábeĺ ◽  
Michel Journée ◽  
Cédric Bertrand
Keyword(s):  
Quality Control ◽  
Temperature Data ◽  
Historical Temperature

Quantitative Expressions for Some Aspects of Surface Integrity of Electro Discharge Machined Components

1984 ◽  
Vol 106 (2) ◽  
pp. 171-177 ◽  
Author(s):  
K. P. Rajurkar ◽  
S. M. Pandit
Keyword(s):  
Adaptive Control ◽  
Temperature Distribution ◽  
Thermal Stresses ◽  
Electrical Discharge Machining ◽  
Simple Expression ◽  
Phase Transformation Temperature ◽  
Transient Temperature ◽  
Regression Equations ◽  
On Line ◽  
Edm Process

An on-line adaptive control of the Electrical Discharge Machining (EDM) process needs proper quantitative relationships between output parameters and input variables of the process. This paper presents an attempt to develop mathematically simple expressions for the depth of cracks, the depth of damaged layer, and the depth of martensitic layer in terms of pulse duration and current. The transient temperature distribution developed by Data Dependent Systems analysis of the EDM process is used in obtaining thermal stress expressions. The hypothesis that the cracks are the consequence of thermal stresses exceeding the fracture level leads to the expression for the depth of occurrence of cracks. The estimation of the thickness of martensitic layer is based on the phase transformation temperature isothermal obtained from the temperature distribution. A simple expression for the depth of the damaged layer is also obtained using the experimental conclusions reported in the literature. Regression equations suitable for the on-line adaptive control of the EDM process are developed. The theoretical estimates are compared with the experimental measurements.

On-line Pest Management Systems 1

1977 ◽  
Vol 6 (3) ◽  
pp. 339-349 ◽  
Author(s):  
Ramamohan Lal Tummala ◽  
Dean L. Haynes
Keyword(s):  
Pest Management ◽  
Management Systems ◽  
On Line ◽  
Pest Management Systems

Development of an On-Line Thermocouple Auto-Calibration System for Ceramic Kilns

2011 ◽  
Vol 474-476 ◽  
pp. 428-431 ◽  
Author(s):  
Shu Lian Yang ◽  
Jian Ting He ◽  
Cui Xia Sheng ◽  
Yu Zhang ◽  
Chang Wei Qin ◽  
...  
Keyword(s):  
Data Transmission ◽  
Temperature Data ◽  
Calibration System ◽  
Wireless Data ◽  
Display Module ◽  
Serial Interface ◽  
Thermocouple Calibration ◽  
Wireless Data Transmission ◽  
Communication Module ◽  
On Line

An on-line thermocouple auto-calibration system using wireless communication module for ceramic kilns has been developed. It is consist of the temperature measurement module for the ceramic kilns, Wireless transmitting and receiving module, data processing and results display module of the PC. For the requirement of thermocouple calibration for ceramic kilns, the wireless data transmission module is used to transmit temperature data in the system. Finally, the data is transmitted to PC through serial interface, it is processed and the calibration results are derived by PC. Its performance fully met calibration requirements. The calibration efficiency of the system is greatly enhanced and the additional man-made errors are reduced. The proposed system ran well in practice.

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