Heat balance of the military vehicle

Brzeżański, Marek; Mężyk, P.

doi:10.19206/ce2017-322

Cited by 3 publications

(2 citation statements)

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“…In the case of military cars, the specification of the car delivered to the recipient is a matter of the needs of the army and related tenders [6], in which the exact parameters and functionalities of the vehicle are specified. If the military notices the potential of the dynamometer, adapting the vehicles and getting a new engine controller with an open architecture seems possible [7,21].…”

Section: Discussionmentioning

confidence: 99%

The concept of a mobile automated diagnostic and dynamometer station for heavy trucks

Chojnowski¹

2023

Combustion Engines

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Trucks are a key element that performs transport functions in many sectors of human activity. This makes ensuring their proper maintenance and performance critical. One of the solutions to this problem is the concept of a mobile automated testing and testing station. A mobile diagnostic and dynometric station based on a 6-foot container was built at the Military University of Technology in Warsaw. This bench is a self-contained unit that can be transported to various locations and carry out on-site testing and diagnostics of heavy trucks. The station is equipped with a fully open system and software that can accurately measure the performance and efficiency of the truck's engine and driveline and enforce specific automated diagnostic processes analogous to quality control tests during the production process. This information can then be used to make informed maintenance and repair decisions, helping to minimize downtime and increase overall vehicle life. The mobile diagnostic and dynamic station also provides a convenient and cost-effective alternative to traditional off-site testing methods, making it a valuable tool for transport companies and fleet managers.

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Section: Discussionmentioning

confidence: 99%

The concept of a mobile automated diagnostic and dynamometer station for heavy trucks

Chojnowski¹

2023

Combustion Engines

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“…Performing a heat balance with the presentation of results makes it possible to determine ways of increasing its efficiency, which is particularly important in terms of waste heat recovery. Equations ( 1)-( 4), applicable to the heat balance of all internal combustion engines, are listed below [2].…”

Section: Heat Balance Of the Internal Combustion Enginementioning

confidence: 99%

Comparative analysis of the heat balance results of the selected Tier III-compliant gas-fuelled two-stroke main engines

Korlak¹

2023

Combustion Engines

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Two-stroke engines are distinguished by the highest overall efficiency among all main engines. This is not only due to the low speed, and large piston stroke, but also to the high combustion temperature, which result in an increase in nitrogen oxides (NO<sub>x</sub>) emission. Technical solutions applied to bring main engines into compliance with current NO<sub>x</sub> emission standards set by the Tier III limits include the use of SCR and EGR systems, the implementation of the Otto cycle, and the application of liquified natural gas (LNG) as the low-emission fuel. Impact of the available Tier III-compliant technologies on the heat balance results is analysed using the example of the currently most popular dual-fuel main engines, i.e. WinGD X92DF and MAN G95ME-C10.5-GI. The possibilities of waste heat recovery in the electricity generation process and thereby improving the ship energy efficiency are discussed.

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A comprehensive review of Trinitor components: A sustainable waste heat recovery polygenerative system for diesel vehicles

Duraivel,

Shaik,

Bansal

et al. 2024

J Therm Anal Calorim

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Internal combustion engine inefficiencies and waste heat emissions raise environmental concerns, as they waste fuel energy in the form of heat, increasing fuel consumption and greenhouse gas emissions. Additionally, waste heat contributes to the urban heat island effect. Waste heat recovery is a vital solution, capturing and repurposing heat to reduce fuel use, emissions, and costs while promoting sustainability, innovation, and economic growth. Polygenerative waste heat recovery maximizes energy efficiency by generating multiple forms of energy from a single source, enhancing overall sustainability. The proposed Trinitor model is a polygenerative system encompassing power generation, product drying, space cooling/heating, and oxygen production. Power generation utilizes exhaust heat stored in a phase change material (PCM) to generate electricity through a Hot Air Turbine. The PCM also stores heat from the PVT thermal collector and supports produce drying. In the space cooling/heating process, the temperature contrast resulting from the hot air generated by the turbine and the cooled air from the Cooling chamber is harnessed by the Seebeck principle within the TEG, converting heat energy into electricity, and it is possible to create temperature variations using the Peltier Effect by supplying electricity. Oxygen production involves dehumidifying air, separating oxygen from hydrogen using an electrolyzer and storing oxygen for civilian use. A component review identifies SiC wall flow-diesel particulate filters (DPF), a paraffin-based Latent Heat Storage System, and electric-assisted turbo compounding as cost-effective for energy production. Produce drying relies on hot air or infrared drying, a revolving wicks humidifier, and a cooling coil dehumidifier. Space cooling/heating needs a water-type PV/T collector, MPPT charge controller, lithium-ion batteries, and ceramic TEGs. A PEM electrolyzer with appropriate components (bipolar plates, electrodes, catalyst, membrane, and gasket) enhances oxygen production efficiency. Based on existing literature, the trinitor has the potential to attain an overall efficiency ranging from 40.12–54.81%. Thus, a combination of low-efficiency processes results in a highly efficient waste heat recovery Trinitor system, with further improvements possible through identified components’ integration.

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Heat balance of the military vehicle

Cited by 3 publications

References 0 publications

The concept of a mobile automated diagnostic and dynamometer station for heavy trucks

The concept of a mobile automated diagnostic and dynamometer station for heavy trucks

Comparative analysis of the heat balance results of the selected Tier III-compliant gas-fuelled two-stroke main engines

A comprehensive review of Trinitor components: A sustainable waste heat recovery polygenerative system for diesel vehicles

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