Performance evaluation of a radiator in a diesel engine—a case study

Charyulu, D.Ganga; Singh, Gajendra; Sharma, Jai Kumar

doi:10.1016/s1359-4311(98)00064-7

Cited by 34 publications

(13 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Also, its specific characteristics which is according to [14] is represented in Table 2. The considered radiator is a cross flow compact heat exchanger with unmixed fluids.…”

Section: Problem Definitionmentioning

confidence: 99%

Analysis of Thermal Performance of a Car Radiator Employing Nanofluid

Sheikhzadeh¹

2014

IJMEA

View full text Add to dashboard Cite

Abstract:In this study, thermal performance of a car radiator with employment of Ethylene Glycol/copper nanofluid in disparate environmental conditions has been investigated. The governing equations for heat transfer in the car radiator have been written and solved by using a generated computer code in different environmental states and the changes in the output nanofluid temperature have been studied. It has been shown that by increasing the values of volume fraction of nano-particles and also, Reynolds number of inlet air, one can observe a raise in the values of overall heat transfer coefficient of the air side and the rate of heat transfer. Furthermore, it is observed that by adding nano-sized particles to the coolant fluid in radiator, one can significantly reduce its output temperature. In addition, it has been demonstrated that by adding 5% of nano-particles to the coolant fluid, thermal performance of the radiator in a hot weather of 50˚ C can be better than its performance in the weather of 20˚C.

show abstract

“…Also, its specific characteristics which is according to [14] is represented in Table 2. The considered radiator is a cross flow compact heat exchanger with unmixed fluids.…”

Section: Problem Definitionmentioning

confidence: 99%

Analysis of Thermal Performance of a Car Radiator Employing Nanofluid

Sheikhzadeh¹

2014

IJMEA

View full text Add to dashboard Cite

show abstract

“…This radiator consists of 644 brass flat tubes and 346 continuous copper fins [9,10]. The main characteristics of radiator are listed in Table 1 that useful for assessing the radiator performance in this work.…”

Section: Prediction Of Thermophysical Propertiesmentioning

confidence: 99%

“…In Equation (10), U is the overall heat transfer coefficient which is expressed in the following form [9]:…”

Section: Heat Transfer Modelingmentioning

confidence: 99%

Numerical Study on Application of CuO-Water Nanofluid in Automotive Diesel Engine Radiator

Bozorgan¹,

Krishnakumar²,

Bozorgan³

2012

MME

View full text Add to dashboard Cite

Application of CuO-water nanofluid with size of the nanoparticles of 20 nm and volume concentrations up 2% is numerically investigated in a radiator of Chevrolet Suburban diesel engine under turbulent flow conditions. The heat transfer relations between airflow and nanofluid coolant have been obtained to evaluate local convective and overall heat transfer coefficients and also pumping power for nanofluid flowing in the radiator with a given heat exchange capacity. In the present study, the effects of the automotive speed and Reynolds number of the nanofluid in the different volume concentrations on the radiator performance are also investigated. The results show that for CuO-water nanofluid at 2% volume concentration circulating through the flat tubes with Re nf = 6000 while the automotive speed is 70 km/hr, the overall heat transfer coefficient and pumping power are approximately 10% and 23.8% more than that of base fluid for given conditions, respectively.

show abstract

“…Studies performed up to date by the authors [14] and other research groups [25][26][27]31] have demonstrated that when a Rankine cycle is coupled to an existing truck engine installation the use of a larger radiator, compared to the existing one, is necessary. The limitations for the dimensions of the radiator installed on a truck are clear and as a consequence the use of a second radiator appears a feasible solution to cover the increased heat rejection because of the bottoming cycle [32]. A representative layout of this technology is provided in Fig 12, where an exhaust gas heat exchanger is employed after the turbocharger turbine to provide heat to the Rankine cycle working medium.…”

Section: General Descriptionmentioning

confidence: 99%