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Correction

Correction: Enescu, D. Heat Transfer Mechanisms and Contributions of Wearable Thermoelectrics to Personal Thermal Management. Energies 2024, 17, 285

1
Electronics, Telecommunications and Energy Department, University Valahia of Targoviste, 130004 Targoviste, Romania
2
Istituto Nazionale di Ricerca Metrologica (INRiM), 10135 Torino, Italy
Energies 2024, 17(23), 5947; https://doi.org/10.3390/en17235947
Submission received: 1 November 2024 / Accepted: 11 November 2024 / Published: 27 November 2024
(This article belongs to the Section J: Thermal Management)

Text Correction

The temperature t noted in the original publication [1] has been changed to the absolute temperature T, in some equations and the accompanying text, for consistency with other equations in the paper.
1.
q ˙ c o n d = k · t s k i n t s u r f a c e
has been replaced with
q ˙ c o n d = k · T s k i n T s u r f a c e
where k is the thermal conductivity in W/(m · K), which is influenced by the thermal properties of both the skin and the solid surface and by the contact solid surface area, T s k i n is the temperature of the skin body, and T s u r f a c e is the temperature of the solid surface.
2.
q ˙ c o n v = h c · t ¯ s k i n t s u r r   a i r  
has been replaced with
q ˙ c o n v = h c · T ¯ s k i n T s u r r   a i r
where T s u r r   a i r is the temperature of the surrounding air, and h c is the convective heat transfer coefficient, which, according to (8), is the ratio of the convective thermal flux density to the temperature difference from the skin to the surrounding air [29].
3. Equations (9)–(12): t has been changed to T for uniform notation, with “characteristic length” in Equation (10) formatted in Cambria Math.
q ˙ c o n v = f c l o · h c · t ¯ c l o t s u r r   a i r
has been replaced with
q ˙ c o n v = f c l o · h c · T ¯ c l o T s u r r   a i r
The sentence “and t ¯ c l o  is the mean surface temperature of the clothed body” has been replaced with “and T ¯ c l o  is the mean surface temperature of the clothed body”.
and
G r = g · β · t s k i n t s u r r   a i r · l 3 ν 2
has been replaced with
G r = g · β · T s k i n T s u r r   a i r · l 3 ν 2
where g = 9.81 m/s2 is the gravitational acceleration; β = 1 T is the thermal expansion coefficient of the air; l is a characteristic length, identified with body height; and ν is the kinematic viscosity of the air.
The paragraph “In the case of a stationary, unclothed individual, with a temperature difference t = t ¯ s k i n t s u r r   a i r 8 ÷ 10   , the flow is laminar up to a height of 1 m and turbulent at 1.5 m [32]” has been replaced with “In the case of a stationary, unclothed individual, with a temperature difference T = T ¯ s k i n T s u r r   a i r 8 ÷ 10   , the flow is laminar up to a height of 1 m and turbulent at 1.5 m [32]”.
Moreover,
h c = a n · t ¯ c l o t s u r r   a i r b n
has been replaced with
h c = a n · T ¯ c l o T s u r r   a i r b n
and
h c = a n · t ¯ s k i n t s u r r   a i r b n
has been replaced with
h c = a n · T ¯ s k i n T s u r r   a i r b n
4.
R e = w · l a
where l is a characteristic length associated with the body and a is the thermal diffusivity
has been replaced with
R e = w · l ν
where l is a characteristic length associated with the body and ν is the kinematic viscosity of the air.
Equations (20)–(25): the temperature t has been changed to the absolute temperature T in the equations and accompanying text to ensure uniform notation.
q ˙ r a d = f c l o · h r · t ¯ c l o t ¯ r
has been replaced with
q ˙ r a d = f c l o · h r · T ¯ c l o T ¯ r
where h r is the radiative heat transfer coefficient and T ¯ r is the mean radiant temperature perceived by the body.
h r = 4 · ε · σ · A r A D · 273.2 + t ¯ c l + t ¯ r 2 3
has been replaced with:
h r = 4 · ε · σ · A r A D · 273.2 + T ¯ c l + T ¯ r 2 3
where ε is the average body surface emissivity, σ = 5.67 · 10 8   W / ( m 2 · K ) is the Stefan-Boltzmann constant, A r is the effective radiation area of the human body, A D is the DuBois body surface area [65], and T ¯ r   is the mean radiant temperature for each segment.
q ˙ s = h c · f c l o · t ¯ c l o t s u r r   a i r + h r · f c l o · t ¯ c l o t ¯ r
has been replaced with:
q ˙ s = h c · f c l o · T ¯ c l o T s u r r   a i r + h r · f c l o · T ¯ c l o T ¯ r
and
q ˙ s = h c · t ¯ s k i n t s u r r   a i r + h r · t ¯ s k i n t ¯ r
has been replaced with:
q ˙ s = h c · T ¯ s k i n T s u r r   a i r + h r · T ¯ s k i n T ¯ r
and
h c = 4.088 + 6.592 · w 1.715   a t   0.01 m s w 0.73 m s   a n d   t = 20  
h c = 2.874 + 7.427 · w 1.345   a t   0.005 m s w 0.71 m s   a n d   t = 26  
have been replaced with:
h c = 4.088 + 6.592 · w 1.715   a t   0.01 m s w 0.73 m s   a n d   T = 20  
h c = 2.874 + 7.427 · w 1.345   a t   0.005 m s w 0.71 m s   a n d   T = 26  
5.
The first part of the sentence after Equation (29) has been changed as follows:
“where d 2 T i d x 2 represents the second spatial derivative of temperature T i with respect to the spatial coordinate x within the specific layer i (such as fat, dermis and epidermis)”.
The author states that the scientific conclusions are unaffected. This correction was approved by the Academic Editor. The original publication has also been updated.

Reference

  1. Enescu, D. Heat Transfer Mechanisms and Contributions of Wearable Thermoelectrics to Personal Thermal Management. Energies 2024, 17, 285. [Google Scholar] [CrossRef]
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MDPI and ACS Style

Enescu, D. Correction: Enescu, D. Heat Transfer Mechanisms and Contributions of Wearable Thermoelectrics to Personal Thermal Management. Energies 2024, 17, 285. Energies 2024, 17, 5947. https://doi.org/10.3390/en17235947

AMA Style

Enescu D. Correction: Enescu, D. Heat Transfer Mechanisms and Contributions of Wearable Thermoelectrics to Personal Thermal Management. Energies 2024, 17, 285. Energies. 2024; 17(23):5947. https://doi.org/10.3390/en17235947

Chicago/Turabian Style

Enescu, Diana. 2024. "Correction: Enescu, D. Heat Transfer Mechanisms and Contributions of Wearable Thermoelectrics to Personal Thermal Management. Energies 2024, 17, 285" Energies 17, no. 23: 5947. https://doi.org/10.3390/en17235947

APA Style

Enescu, D. (2024). Correction: Enescu, D. Heat Transfer Mechanisms and Contributions of Wearable Thermoelectrics to Personal Thermal Management. Energies 2024, 17, 285. Energies, 17(23), 5947. https://doi.org/10.3390/en17235947

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