Turbocharging With Air Conditioner Assisted Intercooler

Muqeem, Mohd

doi:10.9790/1684-0233844

Cited by 11 publications

(9 citation statements)

References 4 publications

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“…As pointed out in the study of Muuqem in 2012, volumetric efficiency increases as the density of the air taken into the cylinder increases by the turbocharger [5]. As can be seen in Figure 5 in the study, it was observed that volumetric efficiency increases with turbocharged feeding.…”

Section: Fig 5 Volumetric Efficiencysupporting

confidence: 57%

“…The turbocharger technology uses an intercooler to cool the intake air. The aim is to bring the temperature of the air sucked as close to the ambient temperature as possible [5]. The temperature data shown in Figure 3, measured for three cycles during the turbocharged experiment, were observed quite close to the ambient temperature.…”

Section: Resultsmentioning

confidence: 79%

“…During engine operation at different speeds, the intercooler inlet and outlet air temperatures are measured with thermistors and recorded with an electronic measuring device. As a result, the air feed by a naturally aspirated engine with intercooling increased 1.43 times normal, and when cooled intercooler used 2,618 times increase was observed [5].…”

Section: Introductionmentioning

confidence: 99%

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Atmospheric and Turbocharged Experimental Investigation of Heavy Vehicle Compressor Air Inlet Line

Kula¹,

Ciniviz

2020

International Journal of Automotive Science and Technology

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Reciprocating compressors, which come from the past to the present and whose development is parallel to internal combustion engine technolo-gies, find themselves a large share in this field in line with the innovative studies on it. The stored compressed air demanded in the heavy vehicle segment, where almost all diesel engines are used, is serviced for two main tasks such as brake and suspension system. Therefore, the engine to be used during the compressor selection; efficiency, performance and service maintenance period are very important while meeting the de-mands and what applications are used such as long-distance vehicle, construction site vehicle, transport vehicle, garbage truck, coach.In this paper, experimental studies were carried out on a Scania brand diesel vehicle by feeding the air brake compressor from the engine tur-bocharger intercooler with an improved interconnection and convention-al atmospheric feeding. Temperature and pressure values obtained via sensors from the data collection system, performance information ob-tained from the vehicle CAN module and exhaust emission measurement results measured by opacimeter for both cases are presented.

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Section: Fig 5 Volumetric Efficiencysupporting

confidence: 57%

Section: Resultsmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

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Atmospheric and Turbocharged Experimental Investigation of Heavy Vehicle Compressor Air Inlet Line

Kula¹,

Ciniviz

2020

International Journal of Automotive Science and Technology

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“…If the exact value of intercooler pressure loss is available, the compressor pressure ratio will be calculated more accurately, but, if the pressure loss of the intercooler is not specified, it can be approximated to a value of 1.0 psi (Mohd 2012;Djemel et al 2017). Although pressure loss value can vary depending on shape and size of the intercooler, this value represents about the average amount used in this code.…”

Section: Required Parameters To Use Mapsmentioning

confidence: 99%

Developing a Mathematical Modelling Code for Keeping the Power of Multi Turbocharged Engines at Flight Altitudes

Roueini

Mirzabozorg

Kheradmand

2020

J.Aerosp. Technol. Manag.

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In this paper, a code is developed in C++ programming language aiming to select and introduce a well-chosen propulsion system for appropriate operation in an aircraft. By using a suitable turbocharged engine, the inlet pressure of the engine manifold will increase to a level equal to the pressure at sea level. Therefore, the aircraft engine will not notice the drop of pressure caused by the increase in altitude. Consequently, the engine power will not be reduced. On the other hand, at high altitude, using only one turbocharger is not adequate to supply engine inlet pressure and flow rate equivalent to sea level conditions, requiring the use of more turbochargers. The code developed in this study will be able to introduce the appropriate turbocharged engine based on the flight altitude and the required power engine of an air vehicle. The altitude defined in this code ranges from 5 to 30 kilometers, which leads to a selection of one to three turbochargers plus a number of intercoolers, according to user input parameters. The objective function of this optimization problem is defined as a function of turbochargers efficiency. However, this objective function can be modified according to the user requests and requirements.

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“…If the exhaust gas pressure is high, it results in a high speed operation of turbo coupled with the compressor. Thus, a huge mass of air at high pressure gets into the intake manifold, increasing the volumetric efficiency and evaporation of fuel [47,48]. Increasing the intake boost pressure shortens the ignition delay [49].…”

Section: Super Charging or Turbo Chargingmentioning

confidence: 99%

Current trends on combustion control methods using fuel reactivities

Sankaralingam¹,

Venugopal²

2016

Int. J. Automot. Mech. Eng.

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Compression ignition (CI) engines are used in heavy duty engine applications due to their high torque capability and thermal efficiency. However, high NOx and smoke emissions are the challenges in using CI engines. Homogeneous charge compression ignition (HCCI) is one of the best methods to reduce NOx and smoke emissions. However, controlling the combustion for an entire range of operation in HCCI mode is a challenging task. Different methods like fast thermal management (FTM), exhaust gas recirculation (EGR), turbo charging and reactivity controlled compression ignition (RCCI) are reviewed and discussed in this article. RCCI is similar to HCCI, which uses reactivities of two different fuels to control combustion. The combustion objectives of HCCI such as less NOx and soot emission can also be obtained through this method. Combustion control based on reactivities of various fuels (RCCI) is discussed significantly. Fuels that have different reactivities can help to control the combustion phasing and thereby reducing the emission. Two different fuels can be injected together into the manifold or one fuel can be injected in the port and other in the combustion chamber directly for reactivity based combustion control. The technological development in different combustion control methods is reviewed and discussed in this article which is a useful knowledge base for further research investigations. When compared to other combustion control methods, RCCI is found to be advantageous in all perspectives such as cost, flexibility in control, simplicity and wide range of operation.

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Turbocharging With Air Conditioner Assisted Intercooler

Abstract: ABSTRACT:The objective of a turbocharger is to improve an engine's volumetric efficiency by increasing the density of the intake gas (usually air, entering

Cited by 11 publications

References 4 publications

Atmospheric and Turbocharged Experimental Investigation of Heavy Vehicle Compressor Air Inlet Line

Atmospheric and Turbocharged Experimental Investigation of Heavy Vehicle Compressor Air Inlet Line

Developing a Mathematical Modelling Code for Keeping the Power of Multi Turbocharged Engines at Flight Altitudes

Current trends on combustion control methods using fuel reactivities

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