Analysis of heat pump performance in battery electric buses

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dc.contributor.author Al Haddad, Rabih
dc.contributor.author Basma, Hussein
dc.contributor.author Mansour, Charbel
dc.date.accessioned 2020-10-01T09:32:31Z
dc.date.available 2020-10-01T09:32:31Z
dc.date.issued 2020-10-01
dc.identifier.uri http://hdl.handle.net/10725/12195
dc.description.abstract Battery Electric Buses (BEB) driving range is one of the main challenges limiting their adoption at a massive scale. Heating and air conditioning of the bus cabin is an energy-intensive process that results in additional energy consumption from the sole onboard energy source. The limited capacity of the battery makes it crucial to quantify this load and study its impact on the bus range. Heat pumps (HP) are the main heating, ventilating and air conditioning technology deployed in electric buses due to their superior performance over electric resistance heaters. However, their performance witness major variations at different external temperatures and operating conditions such as air and refrigerant flow rates and compressor speed. This paper quantifies the thermal load in BEB and studies the HP performance at different weather and operating conditions. First, cabin thermal comfort conditions are set, and HP components technological constraints are presented. Then, a HP model is integrated into a BEB model to fulfill its thermal needs. Simulations are conducted at different external temperatures analyzing the HP performance. Moreover, this paper conducts a sensitivity analysis to study the effect of HP operating conditions on the Coefficient of Performance (COP) and energy consumption. The simulation shows that the compressor speed, the air recirculation rate and the mass flow rate of the air blown into the cabin have the most significant impact on the HP COP. en_US
dc.language.iso en en_US
dc.subject Energy conservation -- Congresses en_US
dc.subject Renewable energy sources -- Congresses en_US
dc.subject Energy consumption -- Congresses en_US
dc.title Analysis of heat pump performance in battery electric buses en_US
dc.type Conference Paper / Proceeding en_US
dc.author.school SOE en_US
dc.author.idnumber 201001655 en_US
dc.author.department Industrial And Mechanical Engineering en_US
dc.description.embargo N/A en_US
dc.keywords Battery Electric Buses en_US
dc.keywords Heat Pumps en_US
dc.keywords Coefficient of Performance en_US
dc.keywords Thermal Load en_US
dc.keywords Autonomy en_US
dc.description.bibliographiccitations Includes bibliographical references en_US
dc.identifier.ctation Al Haddad, R., Basma, H., & Mansour, C. (2020). Analysis of heat pump performance in battery electric buses. In 32nd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. en_US
dc.author.email charbel.mansour@lau.edu.lb en_US
dc.conference.date 23-28 June 2019 en_US
dc.conference.place Wroclaw, Poland en_US
dc.conference.title 32nd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems (ECOS 2019) en_US
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url https://hal-imt.archives-ouvertes.fr/hal-02169864/ en_US
dc.publication.date 2020 en_US
dc.author.affiliation Lebanese American University en_US

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