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Personal data sheet
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personal data approved: 2023. IV. 12.
Personal data
name András Zachár
name of institution
doctoral school
OE Doctoral School on Safety and Security Sciences (Academic staff member)
OE Doctoral School of Materials Science and Technologies (Academic staff member)
the share of work in the different doctoral schools. OE Doctoral School on Safety and Security Sciences 100%
accreditation statement submitted to: Universitas Budensis
Contact details
phone number +36 1 234-5678
Academic title
scientific degree, title Ph.D.
year degree was obtained 2003
discipline to which degree belongs mechanical engineering
institution granting the degree Szent István University
Employment
2019 - Universitas Budensis
university professor or researcher
2005 - Dunaújvárosi Egyetem (research institute, not university)
other (not specified) (egyetemi tanár)
Thesis topic supervisor
number of doctoral students supervised until now
number of students who fulfilled course requirements
students who obtained their degrees:
(50%) Ferenc Dániel Szlivka PhD 2016  UO-DSSS
  Thesis topic proposals
Research
research area Heat and mass transfer, Energetics, Numerical methods
research field in which current research is conducted mechanical engineering
mathematics and computing
Publications
2020

 András Zachár: Analytic solution for convection dominant heat transport induced by buoyant jet entrainment inside hot fluid storage tanks, Solar Energy Volume 195, 1 January 2020, Pages 239-248, pp. 239-248
type of document: Journal paper/Article
impact factor: 5.742
number of independent citations: 4
language: English
URL 
2015

 András Zachár: Investigation of a new helical flow distributor design to extract thermal energy from hot water storage tanks, International Journal of Heat and Mass Transfer, Volume 80, January 2015, Pages 844-857, pp. 844-857
type of document: Journal paper/Article
impact factor: 2.857
number of independent citations: 3
language: English
URL 
2013

 András Zachár: Investigation of a new tube-in-tube helical flow distributor design to improve temperature stratification inside hot water storage tanks operated with coiled-tube heat exchangers, INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 63: pp. 150-161.
type of document: Journal paper/Article
number of independent citations: 21
language: English
URL 
2012

 A. Zachár: Investigation of natural convection induced outer side heat transfer rate of coiled-tube heat exchangers, INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 55:(25-26) pp. 7892-7901. (2012), pp. 7892-7901
type of document: Journal paper/Article
impact factor: 2.407
number of independent citations: 31
language: English
Full text 
2010

 A. Zachár: Analysis of coiled-tube heat exchangers to improve heat transfer rate with spirally corrugated wall, INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 53:(19-20) pp. 3928-3939. (2010), pp. 3928-3939
type of document: Journal paper/Article
impact factor: 1.898
number of independent citations: 137
language: English
Full text 
2008

 I Szabó, A. Zachár: Numerical Modelling of the Impact of the Tow Angle and The Tow Velocity for the Total Drag of Plough, MECHANICAL ENGINEERING LETTERS: R&D : RESEARCH & DEVELOPMENT 1: (1) pp. 174-186.
type of document: Journal paper/Article
language: English
Full text 
2007

 A. Zachár, A. Aszódi: Numerical analysis of flow distributors to improve temperature stratification in storage tanks, NUMERICAL HEAT TRANSFER PART A-APPLICATIONS 51:(10) pp. 919-940. (2007), pp. 919-940
type of document: Journal paper/Article
impact factor: 1.325
number of independent citations: 10
language: English
URL 
2003

 A. Zachár, I. Farkas, F. Szlivka: Numerical analyses of the impact of plates for thermal stratification inside a storage tank with upper and lower inlet flows, SOLAR ENERGY 74:(4) pp. 287-302. (2003), pp. 287-302
type of document: Journal paper/Article
impact factor: 1.108
number of independent citations: 91
language: English
URL 
1998

 A. Zachár: Comparison of transformations from nonkinetic to kinetic models, ACH-MODELS IN CHEMISTRY 135:(3) pp. 425-434. (1998), pp. 425-434
type of document: Journal paper/Article
impact factor: 0.375
number of independent citations: 2
language: English
1998

 J. Tóth, L. Szili, A. Zachár: Stability of polynomials, MATHEMATICA IN EDUCATION AND RESEARCH 7:(2) pp. 5-12. (1998), pp. 5-12
type of document: Journal paper/Study paper
number of independent citations: 4
language: English
Number of independent citations to these publications:303 
Scientometric data
list of publications and citations
number of scientific publications that meet accreditation criteria:
43
number of scientific publications:
39
monographs and professional books:
0
monographs/books in which chapters/sections were contributed:
0 
art/engineering creative works:
0
scientific publications published abroad that meet the accreditation criteria:
16
publications not in Hungarian, published in Hungary, meeting the accreditation criteria:
10
number of independent citations to scientific publications and creative works:
304


2024. IV. 17.
ODT ülés
Az ODT következő ülésére 2024. június 14-én, pénteken 10.00 órakor kerül sor a Semmelweis Egyetem Szenátusi termében (Bp. Üllői út 26. I. emelet).
 
All rights reserved © 2007, Hungarian Doctoral Council. Doctoral Council registration number at commissioner for data protection: 02003/0001. Program version: 2.2358 ( 2017. X. 31. )