<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Modern commercial and residential buildings procure HVAC systems, to provide heating and cooling for designed open and enclosed spaces to dissipate throughout the accustomed zones. HVAC (heating, ventilating, and air conditioning) systems have become a required industry standard for the construction of new buildings. The objective is the optimization of a heat exchanger model by resolving common system concerns; efficiency, fouling, leakage, dead zones, and vibration. These issues are prevalent in the HVAC industry, which are critical to the under-performing heat exchangers. The heat exchanger was tested at only three different wind speeds (20, 40%, 60%) to take the temperature readings every 5 minutes to allow for maximal heat transfer. The efficiency of heat exchanger at the specified speeds was determined to be .7413 at 20%, .6463 at 40% and .6351 at 60%.</p></abstract>

Modern commercial and residential buildings procure HVAC systems, to provide heating and cooling for designed open and enclosed spaces to dissipate throughout the accustomed zones. HVAC (heating, ventilating, and air conditioning) systems have become a required industry standard for the construction of new buildings. The objective is the optimization of a heat exchanger model by resolving common system concerns; efficiency, fouling, leakage, dead zones, and vibration. These issues are prevalent in the HVAC industry, which are critical to the under-performing heat exchangers. The heat exchanger was tested at only three different wind speeds (20, 40%, 60%) to take the temperature readings every 5 minutes to allow for maximal heat transfer. The efficiency of heat exchanger at the specified speeds was determined to be .7413 at 20%, .6463 at 40% and .6351 at 60%.

Design Heat Exchanger: Optimization and Efficiency

International Journal of Advanced Network, Monitoring and Controls

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Design Heat Exchanger: Optimization and Efficiency"}

Modern commercial and residential buildings procure HVAC systems, to provide heating and cooling for designed open and enclosed spaces to dissipate throughout...

Temp. of Air	Outer Diameter of the Pipe	Temp. of Outer Pipe	Velocity of Air	Vertical Distance Between Pipes	Horizontal Distance Between Pipes	Length the Air Travels	Average Temp. Between the Surface of the Pipe and Liquid
T_ci (C)	D_o (m)	T_so (C)	$V_{o} (\frac{m^{3}}{s})$	S_t (m)	S_l (m)	L_o (m)	T_aveo (C)
20	.015875	45	.222	.057785	0.127	1.9304	32.5

Temperature Inside Pipe	Length	Inner Diameter	Volume Flow Rate	Temperature of Pipe	Average Temperature Between the Surface of the Pipe and Liquid
T_hi (C)	L (m)	D_i (m)	$\dot{V} (\frac{m^{3}}{s})$	T_s (C)	T_ave (C)
75	1.397	.013846	.0000335	70	72.5

Design Heat Exchanger: Optimization and Efficiency

Publié en ligne: 14 oct. 2020

Pages: 30 - 35

DOI: https://doi.org/10.21307/ijanmc-2020-025

Mots clés
Heat Exchanger, Efficiency, Buildings, Design

© 2020 Haifa El-Sadi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

EXTERNAL FLOW CALCULATIONS

INTERNAL FLOW CALCULATIONS

Design Heat Exchanger: Optimization and Efficiency

Publié en ligne: 14 oct. 2020

Pages: 30 - 35

DOI: https://doi.org/10.21307/ijanmc-2020-025

Mots clésHeat Exchanger, Efficiency, Buildings, Design

© 2020 Haifa El-Sadi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

EXTERNAL FLOW CALCULATIONS

INTERNAL FLOW CALCULATIONS

Mots clés
Heat Exchanger, Efficiency, Buildings, Design