Journals / Isı Bilimi ve Tekniği Dergisi / 2015 / Cilt: 35 - Sayı: 2

DARBELİ BORU AKIŞLARININ ÜRETİMİ, KONTROLÜ VE İŞLENMESİNE DAYALI OTOMATİK BİR TEST SİSTEMİ İÇİN LABVIEW PROGRAMINDA GELİŞTİRİLEN BİR UYGULAMA

DEVISED APPLICATION OF LABVIEW FOR AN AUTOMATIC TEST SYSTEM BASED ON GENERATION, CONTROL AND PROCESSING OF PULSATILE PIPE FLOWS

Pages
75–88
Publication Date
2022-10-18
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

As a result, the devised program in LabView 2009SP1® (TDFC.vi) provides more accurate and feasible velocity and frictional field analyses in pulsatile pipe flows when compared with the conventional analyzing methods, especially in transition to turbulent regime, with an acceptable error margin eliminating any possible human error

📌 3 Key Takeaways

🎯
Objective & Hypothesis:This paper presents an automated generation, control, data acquisition and processing of sinusoidal pulsatile pipe flow using a devised program in LabView 2009SP1® in the experimental ranges of the time-averaged Reynolds number, Reta of 1019±35≤Reta≤4817±164, the oscillating Reynolds number, Reos of 107±4≤Reos≤4261±145, the velocity amplitude ratio, A1 of 0.05±0.0017≤A1≤0.96±0.03 and the Womersley number,  of 2.72±0.00≤  ≤32.21±0.00.
📊
Key Findings & Data:The aim herein is to introduce the devised program named as Time Dependent Flow Control.vi (TDFC.vi) within the methodology developed for pulsatile pipe flow analyses.
💡
Conclusion & Impact:As a result, the devised program in LabView 2009SP1® (TDFC.vi) provides more accurate and feasible velocity and frictional field analyses in pulsatile pipe flows when compared with the conventional analyzing methods, especially in transition to turbulent regime, with an acceptable error margin eliminating any possible human error
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

This paper presents an automated generation, control, data acquisition and processing of sinusoidal pulsatile pipe flow using a devised program in LabView 2009SP1® in the experimental ranges of the time-averaged Reynolds number, Reta of 1019±35≤Reta≤4817±164, the oscillating Reynolds number, Reos of 107±4≤Reos≤4261±145, the velocity amplitude ratio, A1 of 0.05±0.0017≤A1≤0.96±0.03 and the Womersley number,  of 2.72±0.00≤  ≤32.21±0.00. The aim herein is to introduce the devised program named as Time Dependent Flow Control.vi (TDFC.vi) within the methodology developed for pulsatile pipe flow analyses. The program provides a considerable contributions for both education and specific research studies. It has also been designed to minimize workload of an engineer and to improve the efficiency and accuracy of the system. The proposed program leads further experimental studies related on steady and time dependent flow dynamics. The experimental results are given to show the functionality of the system for the real-world data acquisition with great accuracy. As a result, the devised program in LabView 2009SP1® (TDFC.vi) provides more accurate and feasible velocity and frictional field analyses in pulsatile pipe flows when compared with the conventional analyzing methods, especially in transition to turbulent regime, with an acceptable error margin eliminating any possible human error

Özet

Bu makale, zaman ortalamalı Reynolds sayısı 1019±35≤Reta≤4817±164, salınım Reynolds sayısı, 107±4≤Reos≤4261±145, hız genlik oranı, 0.05±0.0017≤A1≤0.96±0.03 ve Womersley sayısı, 2.72±0.00≤  ≤32.21±0.00 deney aralıklarında, LabView 2009SP1®yazılım programında geliştirilmiş bir program kullanarak, sinüsel darbeli boru akışının otomatikleştirilmiş üretimi, kontrolü, veri toplama ve işlenmesini sunmaktadır. Burada ki amaç, içerisinde darbeli boru akışı analizleri için geliştirilmiş yöntem bilimini barındıran Time Dependent Flow Control.vi (TDFC.vi) ismi ile oluşturulan programı tanıtmaktır. Geliştirilen program hem eğitim hem de belirli araştırma çalışmaları için önemli katkılar sağlamaktadır. Program ayrıca mühendislik iş yükünü minimum seviyeye indirmek ve sistemin verimliliğini ve doğruluğunu artırmak için tasarlanmıştır. Geliştirilen program zamana bağımsız ve bağımlı akım dinamikleri ile ilgili gelecekteki deneysel çalışmalar için yol göstermektedir. Deneysel sonuçlar gerçek verilerin toplanmasında mükemmel doğruluklarla sistemin işlevselliğini göstermek için verilmiştir. Sonuç olarak, LabView 2009SP1® (TDFC.vi) de oluşturulan program, darbeli boru akışlarında, özelliklede türbülansa geçiş rejiminde, geleneksel analiz etme yöntemleri ile kıyaslandığında, muhtemel insan hatasını ortadan kaldırarak daha hassas ve elverişli hız ve sürtünme alanı analizleri sağlamaktadır.

🔖

Cite This Article

ÖZAHİ, E., ÖZDİNÇ, M. Ç. (2022). DARBELİ BORU AKIŞLARININ ÜRETİMİ, KONTROLÜ VE İŞLENMESİNE DAYALI OTOMATİK BİR TEST SİSTEMİ İÇİN LABVIEW PROGRAMINDA GELİŞTİRİLEN BİR UYGULAMA. Isı Bilimi ve Tekniği Dergisi, Cilt: 35 - Sayı: 2, 75–88. https://ajindex.com/articles/542534

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (5)

  1. ANSI/ASME PTC 19.1-1985 Part 1, 1986, Measurement Uncertainty (Available from ASME Order Dept., 22 Law Drive, Box 2300, Fairfield, New Jersey 07007-2300). Beyon J. Y., 2001,
  2. LabView Programming, Data Acquisition and Analysis, Prentice Hall, New York. Coleman H. W. and Steele W. G. Jr., 1989, Experimentation and Uncertainty Analysis for Engineers, Wiley, New York. Çarpınlıoğlu M. Ö. and Gündoğdu M. Y., 2001, A Critical Review on Pulsatile Pipe Flow Studies Directing Towards Future Research Topics, Flow Meas. Instrum., 12, 163-174. Çarpınlıoğlu M. Ö. and Özahi E., 2011, Laminar Flow Control via Utilization of Pipe Entrance Inserts (A Comment on Entrance Length Concept), Flow Meas. Instrum., 22, 165-174. Çarpınlıoğlu M. Ö. and Özahi E., 2012, An Updated Portrait of Transition to Turbulence in Laminar Pipe Flows with Periodic Time Dependence (A Correlation Study), Flow Turbul. Combust., 89, 691-711. Çarpınlıoğlu M. Ö. and Özahi E., 2012, An Experimental Research Project on Sinusoidal Pulsatile Pipe Flows Part 2: Influence of Oscillation Frequency and Amplitude on Onset of Transition to Turbulenc, Proc. of the 3rd International Conference on Fluid Mechanics and Heat and Mass Transfer (Fluids-Heat'12), Athens, 45-50. Çarpınlıoğlu M. Ö. and Özahi E., 2013, An Experimental Test System for the Generation, Control and Analysis of Sinusoidal Pulsatile Pipe Flows (An Application Case for Time Dependent Flow Measurements), Flow Meas. Instrum., 32, 27-34.
  3. Durst F., Heim U., Ünsal B. and Kullik G., 2003, Mass Flow Rate Control System for Time-Dependent Laminar and Turbulent Flow Investigations, Meas. Sci. Technol., 14, 893-902. Gündoğdu M. Y. and Çarpınlıoğlu M. Ö., 1999, Present State of Art on Pulsatile Flow Theory Part 1: Laminar and Transitional Flow Regimes, JSME Int. J. Series B Fluids and Therm. Eng., 42, 384-397. Holman J. P., 2012, Experimental Methods for Engineers, (8th Ed.), McGraw Hill, New York. Iguchi M. and Ohmi M., 1982, Transition to Turbulence in a Pulsatile Pipe Flow Part 2: Characteristics of Reversing Flow Accompanied by Relaminarization, Bull. JSME, 25, 1529. Johnson G.W., 1997, Labview Graphical Programming: Practical Applications in Instrumentation and Control, McGraw-Hill, New York. Joint Committee for Guides in Metrology, Evaluation of measurement data-guide to the expression of uncertainty in measurement (GUM), JCGM 100, 2008.
  4. Mizushina T., Maruyama T. and Shiozaki Y., 1973,
  5. Pulsating Turbulent Flow in a Tube, J. Chem. Eng Jpn, 6, 487-494. Ohm