A Comparative Analysis of Two-Phase Flow Boiling Heat Transfer Coefficient and Correlations for Hydrocarbons and Ethanol
Abstract
:1. Introduction
2. Experimental Studies on Hydrocarbons and Pure Ethanol
2.1. Description of Experimental Work on Hydrocarbons
Author/Year | Fluids | Tube Material/Inside Diameter (mm) | Saturation Temperature/Vapor Quality | Heat Flux (kW/m2) | Mass Flux (kg/m2s) |
---|---|---|---|---|---|
Yunos et al. (2017) [23] | R290 | Horizontal/single circular stainless-steel tube din = 7.6 | Tsat = 6–20 x = 0.01–0.15 | q = 5–22 | G = 200–650 |
Chien et al. (2016) [21] | R290, R32, R410a | Horizontal/stainless steel tube(microchannel) din = 0.3 mm, 1.5 | Tsat = 10 x = 0.1–dry out | q = 10–20 | G = 200–500 |
Kanizwa et al. (2016) [24] | R600a, R134a, R245fa | stainless steel tube din = 0.38–2.6 | Tsat = 22 x = 0.01–0.69 | q = 46–100 | G = 240–400 |
Wang et al. (2014) [12] | R290 | Horizontal, copper tube din = 6 | Tsat = −35–−1.9 x = 0.14–0.75 | q = 11.7–87.1 | G = 62–104 |
Del Col et al. (2014) [9] | R290 | Horizontal, copper mini-channel din = 0.96 | Tsat = 31 x = 0.05–0.6 | q = 10–315 | G = 100–600 |
Wen et al. (2014) [25] | R600a | Horizontal, circular pipe within dispersed-copper porous inserts. din = 0.168–0.506 | Tsat = 10 x = 0.076–0.87 | q = 12–65 | G = 120–1100 |
Copetti et al. (2013) [26] | R600a, R134a | Horizontal mini-channel/smooth stainless-steel tube din = 2.6 | Tsat = 22 x = 0.076–0.87 | q = 44–95 | G = 240–440 |
Maqbool et al. (2011) [11] | R290 | Vertical, stainless steel mini-channel din = 1.7 | Tsat = 23, 33, 43 x = 0–1 | q = 5–280 | G = 100–500 |
Choi et al. (2009) [15] | R290 | Horizontal, smooth stainless steel mini-channels din = 1.5, 3 | Tsat =0, 5, 10 x = 0–1 | q = 5–20 | G = 50–400 |
Wen et al. (2005) [20] | R290, R600, R290/R600 | Horizontal/copper tube din = 2.46 | Tsat = 6 x = 0–0.86 | q = 5–21 | G = 250–500 |
Shin et al. (1997) [17] | R22, R32, R134a, R290, R600a refrigerant mixtures | Horizontal/stainless steel tube din = 7.7 | Tsat = 12 x = 0.05–0.7 | q = 10–30 | G = 424–583 |
2.2. Description of Experimental Work on Ethanol
Author/Year | Fluids | Tube Material/Inside Diameter (mm) | Saturation Temperature/Vapor Quality | Heat Flux (kW/m2) | Mass Flux (kg/m2s) |
---|---|---|---|---|---|
Mastrullo et al. (2018) [27] | Ethanol | Horizontal stainless-steel tube din = 6.0 | Tsat = 64.5–85.8 x = 0.11–0.91 | q = 10–40.3 | G = 85–127 |
Vasileiadou et al. (2017) [29] | Ethanol, Deionized water, 5% v/v Ethanol/water | Borosilicate glass square channel din = 5 | Tsat = 40 | q = 2.8–6.1 | G = 0.3–1 |
Robertson et al. (1988) [28] | Ethanol | Vertical copper tube din = 10 | Tsat = 88.6 x = 0.03–0.6 | q = 25.5–1.4.6 | G = 145–290 |
3. Assessment of Previous Correlations
Review of Flow Boiling Heat Transfer Coefficient Correlations
Author (Year) | Correlations |
---|---|
ElFaham and Tang (2022) [35] | is calculated using Equation (5) |
Saitoh et al. (2007) [31] | is calculated using Equation (4) is calculated using Equation (5) |
Choi et al. (2007) [34] | is calculated using Equation (4) is calculated using Equation (5) |
Yoon et al. (2004) [36] | where is calculated using Equation (4) is calculated using Equation (5) |
Wattelet et al. (1994) [37] | is calculated using Equation (4) is calculated using Equation (5) |
Liu–Winterton(1991) [22] | is calculated using Equation (4) is calculated using Equation (5) |
Jung et al. (1989) [32] | is calculated using Equation (5) |
Bennett and Chen (1980) [33] | is calculated using Equation (1) is calculated using Equation (5) |
Chen (1966) [30] |
4. Results and Discussion
4.1. Assessment of Existing Correlations
4.2. Comparison to Hydrocarbons Dataset
4.3. Comparison to Ethanol Dataset
4.4. Comparison to Propane (R290) Dataset
5. Conclusions
- A database was created based on 11 published papers from 10 independent laboratories for hydrocarbons (R290, R600, and R600a). This evaluation comprises 900 flow boiling heat transfer coefficient data points for hydrocarbons. Moreover, a dataset of 720 experimental data points was collected for ethanol’s flow boiling heat transfer coefficients.
- It was found that for the hydrocarbons Kew and Cornwell [45] (24.6%), Lazarek, and Black [39] (25.7%), correlation has achieved the least mean absolute deviation, which is less than 30%. However, Liu and Winterton [22] (33.1%), ElFaham and Tang [35] (36.7%), and Tran (38.2%) had the tendency to show relatively low Mean Absolute deviation. On the other hand, Agostini et al. [42], Sun and Mishima [41], Chaddock and Brunemann [63], and Bennet and Chen [33] were out of prediction, and their results were unsatisfactory.
- It has been observed that among the assessed correlations for ethanol, ElFaham and Tang [35] achieved the lowest mean absolute deviation (15.3%). Nevertheless, Chen [30] (25%), Liu and Winterton [22] (25.1%), and YU [43] (25.7%) exhibited a range of mean absolute deviation less than 30%, which is considered to be in an outstanding position.
- Each correlation developed using its own data, fluids, geometry, and operating conditions. As a result, no specific universal prediction method exists. This study assessed the same correlations for different fluids to benchmark its findings, demonstrating that each fluid has a varied performance for prediction. Therefore, when comparing Table 6, Table 7 and Table 8, each correlation appears in a different place.
Funding
Conflicts of Interest
Nomenclature
Roman | Abbreviations | ||
cp | Specific heat capacity [J/kg·K] | MAE | Mean absolute error |
d | Diameter [m] | MRE | Mean relative error |
E | Convective enhancement factor [–] | STD | Standard deviation |
S | Nucleate boiling suppression factor [–] | Subscripts | |
G | Mass flux [kg/m2·s] | in | Inner |
g | Acceleration of gravity [m/s2] | cr | Critical |
h | Heat transfer coefficient [W/m2·K] | L | Liquid Phase |
i | Specific enthalpy [J/kg] | b | Bulk or bottom |
K | Thermal conductivity [W/m·K] | v | Vapor Phase |
m | Mass flow rate [kg/s] | Sat | Saturation |
M | Molecular mass [kg/kmol] | sp | Single phase |
P | Pressure [Pa] | tp | Two-phase |
q | Heat flux [W/m2] | nb | Nucleate boiling |
PR | Reduced pressure | Pred | Predicted |
T | Temperature [K] | Exp | Experimental |
x | Vapor quality [–] | w | wall |
Xtt | Martinelli parameter [–] | Dimensionless numbers | |
R | Wattelet reduction parameter | Re | Reynolds number [–] |
Ms | Suppression factor multiplier [–] | Pr | Prandtl number [–] |
C | Chisholm parameter | We | Weber number [–] |
F | Convection two-phase multiplier | Bo | boiling number [–] |
Greek | Fr | Froude number [–] | |
Density [kg/m3] | Nu | Nusselt number [–] | |
Viscosity [kg/m·s] | CO | Convection number [–] | |
Two-phase frictional multiplier [–] | Nconf | Confinement number [–] | |
Surface tension [N/m] | Bd | Bond Number [–] | |
Latent heat of vaporization | |||
Difference between wall and saturation temperatures |
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Author (Year) | Correlations |
---|---|
Hamdar et al. (2010) [40] | |
Sun and Mishima (2009) [41] | |
Agostini et al. (2005) [42] | |
Yu et al. (2002) [43] | |
Warrier et al. (2002) [44] | |
Kew and Cornwell (1997) [45] | |
Tran et al. (1997) [46] | |
Tran et al. (1996) [47] | |
Kenning and Cooper (1989) [48] | is calculated using Equation (5) |
Lazarek and Black (1982) [39] |
Dimensionless Number | Equation |
---|---|
Reynolds number for liquid phase | |
Boiling number | Bo = |
Bond number | Bd = |
Weber number for Liquid phase | |
Froude number for liquid phase | |
Lockhart–Martinelli parameter | |
Convection number | |
Confinement number |
Correlations (Year) | MAE (%) | MRE (%) | Correlations (Year) | MAE (%) | MRE (%) |
---|---|---|---|---|---|
Kew and Cornwell [45] (1997) | 24.6 | −12.89 | Wattelet [37] (1994) | 67.98 | 54.04 |
Lazarek and Black [39] (1982) | 25.73 | −18.72 | Kenning Copper [48] (1989) | 68.59 | 38.71 |
Liu and Winterton [22] (1991) | 33.02 | −3.33 | Oh and Son [57] (2011) | 73.27 | 19.26 |
ElFaham and Tang [35] (2022) | 36.69 | −6.16 | Hu et al. [58] (2011) | 80.39 | 15 |
Tran [47] (1996) | 38.16 | −36.22 | Gungor and Winterton [19] (1986) | 83.51 | 75.43 |
Yoon [36] (2004) | 40.64 | 14.02 | Chen [30] (1966) | 83.75 | 75.31 |
Wojtan et al. [59] (2005) | 42.54 | −41.39 | Lavin and Young [60] (1965) | 83.8 | 49.16 |
Hamdar [40] (2010) | 47.01 | −5.01 | Jung [32] (1989) | 94.97 | 61.01 |
Warrier [44] (2002) | 51.25 | −40.72 | Choi [34] (2007) | 104.56 | 73.16 |
Pujol and Stenning [61] (1969) | 56.12 | 10.5 | Bennett and Chen [33] (1980) | 104.6 | 74.28 |
Li and Wu [62] (2010) | 57.64 | 13.22 | Chaddock and Brunemann [63] (1967) | 104.8 | 83.69 |
Saitoh [31] (2007) | 60.57 | 27.7 | Sun and Mishima [41] (2009) | 116.8 | 96.85 |
YU [43] (2002) | 65.03 | −9.56 | Kew and Cornwell [45] (1997) | 186.97 | 177.68 |
Correlations (Year) | MAE (%) | MRE (%) |
---|---|---|
ElFaham and Tang [35] (2022) | 15.29 | −5.83 |
Chen [30] (1966) | 25.02 | 20 |
Liu and Winterton [22] (1991) | 25.12 | −14.81 |
YU [43] (2002) | 25.7 | −8.17 |
Saitoh [31] (2007) | 26.78 | −10.38 |
Yoon [36] (2004) | 27.37 | −20.03 |
Wattelet [37] (1994) | 28.39 | −8.35 |
Sun and Mishima [41] (2009) | 29.69 | 18.58 |
Wojtan et al. [59](2005) | 40.57 | −40.57 |
Jung [32] (1989) | 47.25 | −14.42 |
Gungor and Winterton [19] (1986) | 52.28 | 51.61 |
Hu et al. [58] (2011) | 56.76 | 56.01 |
Hamdar [40] (2010) | 58.56 | −58.57 |
Bennett and Chen [33] (1980) | 59.6 | 59.75 |
Kenning Copper [48] (1989) | 64.66 | −51.01 |
Oh and Son [57] (2011) | 66.01 | −52.44 |
Pujol and Stenning [61] (1969) | 73.54 | −73.34 |
Lavin and Young [60] (1965) | 76.43 | −74.91 |
Chaddock and Brunemann [63] (1967) | 77.27 | −29.97 |
Warrier [44](2002) | 79.67 | −79.65 |
Tran [47] (1996) | 83.36 | −83.35 |
Kew and Cornwell [45] (1997) | 83.91 | −83.91 |
Tran et al. [46] (1997) | 84.02 | −84.02 |
Lazarek and black [39] (1982) | 85.17 | −85.17 |
Choi [34] (2007) | 119.07 | 118.89 |
Li and Wu [62] (2010) | 574.76 | 569.49 |
Correlations (Year) | MAE (%) | MRE (%) |
---|---|---|
Kew and Cornwell [45] (1997) | 17.66 | −1.85 |
Lazarek and black [39] (1982) | 18.28 | −9.13 |
Liu and Winterton [22] (1991) | 31.17 | 5.8 |
Tran [47] (1996) | 32.4 | −30.4 |
ElFaham and Tang [35] (2022) | 34.96 | 5.48 |
Wojtan et al. [59] (2005) | 37.78 | −35.99 |
Yoon [36] (2004) | 40.94 | 28.97 |
Hamdar [40] (2010) | 43.11 | 13.32 |
Warrier [44] (2002) | 48.09 | −35.09 |
Pujol and Stenning [61] (1969) | 58.25 | 26.35 |
Li and Wu [62] (2010) | 63.01 | 35.31 |
Saitoh [31] (2007) | 67.88 | 4.8 |
Wattelet [37] (1994) | 75.55 | 63.57 |
Kenning Copper [48] (1989) | 79.25 | 39.85 |
YU [43] (2002) | 80.66 | 66.6 |
Oh and Son [57] (2011) | 87.04 | 36.72 |
Chen [30] (1966) | 96.18 | 76.92 |
Gungor and Winterton [19] (1986) | 102.31 | 99.98 |
Hu et al. [58] (2011) | 102.34 | 99.97 |
Lavin and Young [60] (1965) | 113.88 | 94.54 |
Jung [32] (1989) | 123.46 | 99.67 |
Tran et al. [46] (1997) | 128.08 | 111.93 |
Choi [34] (2007) | 130.29 | 123.6 |
Bennett and Chen [33] (1980) | 138.48 | 127.86 |
Chaddock and Brunemann [63] (1967) | 220.54 | 218.07 |
Sun and Mishima [41] (2009) | 252.15 | 250.39 |
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ElFaham, M.; Tang, C.C. A Comparative Analysis of Two-Phase Flow Boiling Heat Transfer Coefficient and Correlations for Hydrocarbons and Ethanol. Energies 2023, 16, 5931. https://doi.org/10.3390/en16165931
ElFaham M, Tang CC. A Comparative Analysis of Two-Phase Flow Boiling Heat Transfer Coefficient and Correlations for Hydrocarbons and Ethanol. Energies. 2023; 16(16):5931. https://doi.org/10.3390/en16165931
Chicago/Turabian StyleElFaham, Mohamed, and Clement C. Tang. 2023. "A Comparative Analysis of Two-Phase Flow Boiling Heat Transfer Coefficient and Correlations for Hydrocarbons and Ethanol" Energies 16, no. 16: 5931. https://doi.org/10.3390/en16165931
APA StyleElFaham, M., & Tang, C. C. (2023). A Comparative Analysis of Two-Phase Flow Boiling Heat Transfer Coefficient and Correlations for Hydrocarbons and Ethanol. Energies, 16(16), 5931. https://doi.org/10.3390/en16165931