doc. Ing. Richard LENHARD, PhD.
Výber z publikačnej činnosti
Vedecké monografie vydané v domácich vydavateľstvách
Patrik Nemec, Milan Malcho, Richard Lenhard. Využitie tepelných trubíc pri chladení a ohreve v technike / - 1. vyd. - Žilina : Žilinská univerzita, 2015. - 206 s., [AH 15,03; VH 15,53] : obr., tab. - ISBN 978-80-554-1075-3
Vysokoškolské učebnice vydané v domácich vydavateľstvách
Milan Malcho, Richard Lenhard, Katarína Kaduchová. Hydráty zemného plynu a ich výroba [print] - 1. vyd. - Žilina : Žilinská univerzita v Žiline, 2021. - 172 s. [12,02AH] [print]. - ISBN 978-80-554-1766-0
Kapjor, Andrej - Kaduchová, Katarína - Lenhard, Richard - Smatanová, Helena. Prenos tepla z orientovaných teplovýmenných plôch pri prirodzenej konvekcii - 1. vyd. - Žilina : Žilinská univerzita v Žiline, 2017. - 326 s., [AH 24,37; VH 25,04]. - ISBN 978-80-554-1304-4
Skriptá a učebné texty
Lenhard, Richard - Kaduchová, Katarína - Ďurčanský, Peter - Hejčík, Jiří. Výmenníky tepla [print] - 1. vyd. - Košice : Equilibria, 2020. - 165 s. [10,66AH] [print]. - ISBN 978-80-8143-261-3
Štefan Papučík, Radovan Nosek, Richard Lenhard. Vykurovanie - 1. vyd. - Žilina : Žilinská univerzita, 2012. - 204 s., [AH 13,21; VH 13,68]. - ISBN 978-80-554-0540-7
Vedecké práce v zahraničných karentovaných časopisoch
Vaclav Slama, David Simurda and Richard Lenhard. Pressure losses downstream of a compact valve in the inlet chamber of an intermediate-pressure steam turbine [electronic] / In: Energies [electronic]. - ISSN 1996-1073 (online). - Roč. 15, č. 22 (2022), s. [1-11] [online].
Zaradené v: Current Content Connect ; SCOPUS ; Web of Science Core Collection
Peter Ďurčanský, Radovan Nosek, Richard Lenhard, Branislav Zvada. Hydrogen production possibilities in Slovak Republic [electronic] [Možnosti výroby vodíka v SR] / In: Applied sciences [electronic]. - ISSN 2076-3417 (online). - Roč. 12, č. 7 (2022), s. [1-10] [online].
Zaradené v: Current Content Connect ; SCOPUS ; Web of Science Core Collection
Štefan Kočan, Pavol Rafajdus, Ronald Bašťovanský, Richard Lenhard, Michal Staňo. Design and optimization of a high-speed switched reluctance motor [electronic] / In: Energies [electronic]. - ISSN 1996-1073 (online). - Roč. 14, č. 20 (2021), s. [1-23] [online].
Zaradené v: Current Content Connect ; SCOPUS ; Web of Science Core Collection
Marek Klimko, Richard Lenhard, Pavel Žitek, Katarína Kaduchová. Experimental evaluation of axial reaction turbine stage bucket losses [electronic] / In: Processes [electronic]. - ISSN 2227-9717 (online). - Roč. 9, č. 10 (2021), s. [1-16] [online].
Zaradené v: Current Content Connect ; Web of Science Core Collection ; SCOPUS
Katarína Kaduchová and Richard Lenhard. Numerical simulation of passive cooling beam and its optimization to increase the cooling power [electronic] / In: Processes [electronic]. - ISSN 2227-9717 (online). - Roč. 9, č. 8 (2021), s. [1-21] [online].
Zaradené v: Current Content Connect ; SCOPUS ; Web of Science Core Collection
Richard Lenhard, Milan Malcho, Jozef Jandačka. Modelling of heat transfer in the evaporator and condenser of the working fluid in the heat pipe [print] / In: Heat transfer engineering [print, electronic]. - ISSN 0145-7632. - Roč. 40, č. 3-4 (2019), s. 215-226 [print].
Zaradené v: Current Content Connect ; SCOPUS ; Web of Science Core Collection
Richard Lenhard, Milan Malcho. Numerical simulation device for the transport of geothermal heat with forced circulation of media [Numerická simulácia zariadenia pre transport geotermálneho tepla s núteným obehom média]. In: Mathematical and Computer Modelling. - ISSN 0895-7177. - Vol. 57, Iss. 1-2, (2013), s. 111-125.
Zaradené v: Current Content Connect ; SCOPUS ; Web of Science Core Collection
Vedecké práce v zahraničných časopisoch registrovaných v databázach Web of Science alebo SCOPUS
Milan Malcho, Richard Lenhard, Katarína Kaduchová, Dávid Hečko, Stanislav Gavlas. Heat recovery systems [electronic] / In: 38th Meeting of Departments of Fluid Mechanics and Thermodynamics : AIP conference proceedings. - Maryland: AIP Publishing. - ISBN 978-0-7354-1858-5. - s. [1-8] [online]. - (ISSN 0094-243X, AIP Conference Proceedings).
Richard Lenhard, Katarína Kaduchová, Patrik Nemec. Numerical simulation of forced airflow around the heat exchanger in the closed space electrical box [print]. / In: SGEM 2019 conference proceedings, roč. 19 [print, electronic]. - ISSN 1314-2704. - 1. vyd. - Sofia: STEF92 Technology, 2019. - ISBN 978-619-7408-83-6. - s. 361-368
Milan Malcho, Richard Lenhard, Katarína Kaduchová. Energy storage in to the hydrates [electronic] / In: 37th Meeting of Departments of Fluid Mechanics and Thermodynamics [electronic] : conference proceedings. - ISSN 0094-243X. - 1. vyd. - Melwille: American Institute of Physics, 2018. - ISBN 978-0-7354-1716-8. - s. [1-5] [online].
Martin Vantúch, Katarína Kaduchová and Richard Lenhard. The impact of municipal waste combustion in small heat sources / In: The application of experimental and numerical methods in fluid mechanics and energy 2016. - [S.l.]: American Institute of Physics Publising, 2016. - ISBN 978-0-7354-1402-0. - [5] s. - (AIP conference proceedings, Vol. 1745. - ISSN 0094-243X).
Richard Lenhard, Katarína Kaduchová, Štefan Papučík. Optimalization of evaporator in heat recovery system based on heat pipe. / In: SGEM 2016 : 16th international multidisciplinary scientific geoconference : conference proceedings : energy and clean technologies : 2-5 November, 2016 Vienna, Austria. Vol. III: Recycling air pollution & climate change. Modern energy and power sources. - ISSN 1314-2704. - Sofia: STEF92 Technology, 2016. - ISBN 978-619-7105-82-7. - S. 313-320.
Milan Malcho, Jozef Jandačka, Richard Lenhard, Stanislav Gavlas, Tadeas Ochodek,. Numerical simulation of heat transport from the electric arc furnace to the heat recovery system / In: Communications: scientific letters of the University of Žilina. - ISSN 1335-4205. - Vol. 18, no. 1A (2016), s. 115-121. (SCOPUS – 2016 -Q2)
Peter Ďurčanský, Richard Lenhard, Jozef Jandačka. Comparison of mathematical models for heat exchangers of unconventional CHP units [Porovnanie matematických modelov pre tepelné výmenníky nekonvenčných kogeneračných jednotiek] / In: Acta Polytechnica: journal of advanced engineering. - ISSN 1210-2709. - Vol. 55, iss. 4 (2015), s. 223-228. Poznámka: Časopis vychádza aj online s ISSN 1805-2363. (SCOPUS – 2015 -Q2)
Richard Lenhard, Katarína Kaduchová and Jozef Jandačka. Numerical simulation of indirectly heated hot water heater / In: Advanced Materials Research. - ISSN 1022-6680. - Vol. 857-877, (2014), s. 1693-1697. (SCOPUS – 2014–Q4)
Radovan Nosek, Stanislav Gavlas, Richard Lenhard, Veroslav Sedlak, Havard Mollerhagen Arvesen. Condenser optimization of heat pipe [Optimalizácia kondenzátora pre teplenú trubicu] / In: Communications: scientific letters of the University of Žilina. - ISSN 1335-4205. - Vol. 16, no. 3A (2014), s. 62-66 (SCOPUS – 2014 -Q2)
Richard Lenhard, Michal Jakubský, Milan Malcho, Jozef Jandačka. Analysis of transmission phenomena in low-potential heat transport by heat pipes in the deep-borehole simulator [Analýza prenosových javov pri transporte nízkopotenciálneho tepla pomocou tepelných trubíc v simulátore hĺbkového vrtu] / In: Communications: scientific letters of the University of Žilina. - ISSN 1335-4205. - Vol. 14, No. 3 (2012), s. 10-16. (SCOPUS – 2012 –Q3)
Patrik Nemec, Alexander Čaja, Richard Lenhard. Visualization of heat transport in heat pipes using thermocamera [Vizualizácia prenosu tepla v tepelnej trubici termovíznou kamerou] / In: Archives of thermodynamics. - ISSN 1231-0956. - Vol. 31, no. 4 (2010), s. 125-132. (SCOPUS – 2010 –Q3)
Vedecké práce v domácich časopisoch registrovaných v databázach Web of Science alebo SCOPUS
Milan Malcho, Richard Lenhard, Martin Vantúch, Katarína Kaduchová, Tomáš Puchor. Working parameters of gas heat pump in use with low-potential geothermal energy [electronic] / In: Structure and Environment [print, electronic]: Architecture, Civil Engineering, Environmental Engineering and Energy. - ISSN 2081-1500. - Roč. 10, č. 2 (2018), s. 180-183 [print, online].
Katarína Kaduchová, Richard Lenhard, Milan Malcho. Concentration optimalization of ethylene glycol in the ground heat exchanger heat pump [print] / In: Journal of new technologies in environmental science [print]. - ISSN 2544-7017. - Roč. 2, č. 1 (2018), s. 8-12 [print].
Milan Malcho, Richard Lenhard, Katarína Kaduchová, Peter Ďurčanský. Accumulation of low-potential thermal energy [print] / In: Structure and Environment [print, electronic]: Architecture, Civil Engineering, Environmental Engineering and Energy. - ISSN 2081-1500. - Roč. 10, č. 1 (2018), s. 87-91 [print, online].
Radovan Nosek, Richard Lenhard ... [et al.]. Axial condenser optimization / In: Machines, technologies, materials: international journal for science, technics and innovations for the industry. - ISSN 1313-0226. - Vol. 11, no. 3 (2017), s. 103-105. Poznámka: Časopis vychádza aj online s ISSN 1314-507X.
Katarína Kaduchová, Richard Lenhard, Milan Malcho, Jan Koloničný,. Modeling of heat transfer passive chilled beam compilation of mathematical model for increasing cooling capacity for passive chilled beam by optimizing his geometrical parameters / In: International journal of engineering innovation & research (IJEIR) [elektronický zdroj]. - ISSN 2277-5668. - Vol. 5 no. 3 (2014), online, s. 624-629.
Richard Lenhard, Milan Malcho, Michal Jakubský, Martin Vantúch. Device for simulation of transfer low potential geothermal heat with heat pipe and with forced circulation of heat carrier / In: Global journal of technology and optimization [elektronický zdroj]. - ISSN 2229-8711. - Vol. 2, No. 2 (2011), s. 175-179.
Jozef Jandačka, Richard Lenhard ... [et al.]. Emission and power parameters of combined heat source on wood biomass combustion / In: Annals of Warsaw University of Life Sciences - SGGW: Forestry and Wood Technology. - ISSN 1898-5912. - No. 71 (2010), s. 245-249.
Najcitovanejšie práce:
Richard Lenhard, Milan Malcho, Jozef Jandačka. 2019. Modelling of heat transfer in the evaporator and condenser of the working fluid in the heat pipe [print]. In: Heat transfer engineering [print]. - ISSN 0145-7632. - Roč. 40, č. 3-4 (2019), s. 215-226 [print].
Celkovo citácií, 44x WOS, 48xSCOPUS
Richard Lenhard, Milan Malcho. 2013. Numerical simulation device for the transport of geothermal heat with forced circulation of media [Numerická simulácia zariadenia pre transport geotermálneho tepla s núteným obehom média]. In: Mathematical and Computer Modelling. - ISSN 0895-7177. - Vol. 57, Iss. 1-2, (2013), s. 111-125.
Celkovo citácií, 25x WOS, 37xSCOPUS
Patrik Nemec, Alexander Čaja, Richard Lenhard. 2010. Visualization of heat transport in heat pipes using thermocamera [Vizualizácia prenosu tepla v tepelnej trubici termovíznou kamerou] / In: Archives of thermodynamics. - ISSN 1231-0956. - Vol. 31, no. 4 (2010), s. 125-132.
Celkovo citácií, 14x WOS, 15xSCOPUS
Richard Lenhard and Jozef Jandačka. 2013. Two-phase modelling of interphase heat transport from the condensation to evaporation part of the heat-pipe / In: 11th international conference numerical analysis and applied mathematics = ICNAAM: Rhodes, Greece, 21-27 September 2013. - Melville: AIP American Institute of Physics, 2013. - ISBN 978-0-7354-1185-2. - S. 2138-2141. - (AIP conference proceedings, Vol. 1558. - ISSN 0094-243X).
Celkovo citácií, 14x WOS, 16xSCOPUS
Richard Lenhard, Katarína Kaduchová and Jozef Jandačka. 2014. Numerical simulation of indirectly heated hot water heater / In: Advanced Materials Research. - ISSN 1022-6680. - Vol. 857-877, (2014), s. 1693-1697.
Celkovo citácií, 10x WOS, 13xSCOPUS
Richard Lenhard, Katarína Kaduchová and Štefan Papučík. 2014. Analysis of the fill amount influence on the heat performance of heat pipe [Analýza vplyvu veľkosti náplne na tepelný výkon tepelnej trubice] / In: XIX. the application of experimental and numerical methods in fluid mechanics and energetics 2014: proceedings of the international conference: [Liptovský Ján, Slovakia, 9-11 April 2014]. - [S.l.]: AIP Publishing, 2014. - ISBN 978-0-7354-1244-6. - S. 146-152. - (AIP Conference Proceedings, Vol. 1608. - ISSN 0094-243X).
Celkovo citácií, 09x WOS, 15xSCOPUS
Ján Siažik, Milan Malcho and Richard Lenhard. 2017 Proposal of experimental device for the continuous accumulation of primary energy in natural gas hydrates / In: EPJ Web of Conferences [elektronický zdroj]. - ISSN 2100-014X. - Vol. 143, art. no. 02106 (2017), online, [6] s.
Celkovo citácií, 08x WOS, 09xSCOPUS
Štefan Kočan, Pavol Rafajdus, Ronald Bašťovanský, Richard Lenhard, Michal Staňo. Design and optimization of a high-speed switched reluctance motor [electronic] / In: Energies [electronic]. - ISSN 1996-1073 (online). - Roč. 14, č. 20 (2021), s. [1-23] [online].
Celkovo citácií, 06 WOS, 07xSCOPUS