A new theoretical formulation of dew point temperatures applicable for comfort air-cooling systems

Sarkar, Mridul

doi:10.1016/j.enbuild.2014.10.029

Cited by 8 publications

(5 citation statements)

References 27 publications

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“…Supply humidity ratio corresponding to the supply DPT 27 of the DOAS unit can be determined by applying Eq.17:…”

Section: Optimum Supply Conditions At Design Loadsmentioning

confidence: 99%

“…In Eq.28, both the supply ADP and humidity ratio are unknown. The ADP (in Kelvin) can be expressed in terms of humidity ratio through a quadratic equation 27…”

Section: Procedures Amentioning

confidence: 99%

“…The design dew point temperature of the space can be considered as the initial guess (Tadp0) for obtaining successive solutions. Dew point temperature can be determined in terms of humidity ratio 27 by Eq.32 as:…”

Section: Procedures Amentioning

confidence: 99%

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Thermal Zoning Based on Design Cooling Loads: Methodology and Simulation Case Study for a DOAS with Local Recirculating Units

Sarkar

2018

Int. J. Air-Cond. Ref.

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A framework for creating thermal zones in a building for effective and efficient heating ventilation and air conditioning (HVAC) system design is introduced here. This method is based on simple “sort and eliminate” schemes and requires design cooling loads of conditioned spaces obtained from load calculation tools as primary input. The developed methodology is applied for creating thermal zones, determining corresponding supply conditions and ascertaining sizing of a dedicated outdoor air system (DOAS) with local recirculating units. A simulation study on a prototype-building model shows that a DOAS coupled with zoned recirculating systems that serve distinct thermal zones in a building (zoned model) perform comparatively better in controlling both space temperatures and humidity without significantly compromising HVAC energy and chiller loads than un-zoned HVAC systems serving the whole building as a single thermal block (un-zoned model). The consistency in the performance of zoned HVAC systems is verified by applying three different simulation weather files for New Delhi. Better performance along with logical and computational simplicity makes this design procedure a good alternative to traditional methodologies.

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“…Supply humidity ratio corresponding to the supply DPT 27 of the DOAS unit can be determined by applying Eq.17:…”

Section: Optimum Supply Conditions At Design Loadsmentioning

confidence: 99%

“…In Eq.28, both the supply ADP and humidity ratio are unknown. The ADP (in Kelvin) can be expressed in terms of humidity ratio through a quadratic equation 27…”

Section: Procedures Amentioning

confidence: 99%

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Thermal Zoning Based on Design Cooling Loads: Methodology and Simulation Case Study for a DOAS with Local Recirculating Units

Sarkar

2018

Int. J. Air-Cond. Ref.

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“…A simple methodology for determining the net sensible and latent load of an ideal cooling-dehumidification process in terms of discrete summations has been established in a previous work [24]. The mathematical model presented above discusses an actual cooling-dehumidification process in terms of key input variables.…”

Section: Net Sensible and Latent Loadsmentioning

confidence: 99%

Simplified thermodynamic modeling of chilled water coils based on bypass factors

Sarkar¹

2015

Energy and Buildings

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“…Unfortunately, the misattribution to Magnus (1844) spread from Holmboe et al . (1945) to several other publications (Parish and Putnam, 1977; Baldus et al ., 2015; Sarkar, 2015; Sanger and Kirkpatrick, 2017; Frasca et al ., 2018).…”

mentioning

confidence: 99%

The Rankine–Kirchhoff approximations for moist thermodynamics

Romps

2021

Quart J Royal Meteoro Soc

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A new theoretical formulation of dew point temperatures applicable for comfort air-cooling systems

Cited by 8 publications

References 27 publications

Thermal Zoning Based on Design Cooling Loads: Methodology and Simulation Case Study for a DOAS with Local Recirculating Units

Thermal Zoning Based on Design Cooling Loads: Methodology and Simulation Case Study for a DOAS with Local Recirculating Units

Simplified thermodynamic modeling of chilled water coils based on bypass factors

The Rankine–Kirchhoff approximations for moist thermodynamics

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