نتایج جستجو برای: passive heating

تعداد نتایج: 124746  

Journal: :IOP conference series 2023

Abstract Thermal comfort is a relatively emerging topic in the Nepalese context. The role of thermal building performance foreshadowed by peoples’ emphasis on only structural aspect and active heating/cooling systems. This paper analyzes effectiveness passive retrofitting techniques an earthquake-resistant small community called Thakle Namuna Basti Melamchi, Nepal. Only three are used this simu...

2006
G. N. Tiwari Amita Gupta Ravi Gupta

In the present paper, the distribution of solar energy inside the uneven span solarium has been determined in terms of solar fraction on north partition wall by using Auto-CAD 2000 for New Delhi (28.5° latitude). This enables the prediction of its performance for passive heating. The concept has been extended to other shapes of greenhouses for cultivation of flowers during off-season. The other...

Journal: :Energies 2021

The key to overcome PEMFC cold start failure is raise the stack temperature above 0 °C before electrochemical reaction. As reaction progresses, heat released inside stack, which will stack. This heating method called passive heating, referred as PH in this article. Another method, active or simplified AH article, involves artificially adding a device input extra increase more quickly and reduce...

2018
Nicola Gerrett Tatsuro Amano Yoshimitsu Inoue George Havenith Narihiko Kondo

The sweat glands maximum ion reabsorption rates were investigated (n = 12, 21.7 ± 3.0 years, 59.4 ± 9.8 kg, 166.9 ± 10.4 cm and 47.1 ± 7.5 mL/kg/min) during two separate endogenous protocols; cycling at 30% (LEX) and 60% VO2max (MEX) and one exogenous trial; passive heating (PH) (43°C water lower leg immersion) in 27°C, 50%RH. Oesophageal temperature (Tes ), skin temperature (Tsk ), and forearm...

2017
Po-Chun Hsu Chong Liu Alex Y Song Ze Zhang Yucan Peng Jin Xie Kai Liu Chun-Lan Wu Peter B Catrysse Lili Cai Shang Zhai Arun Majumdar Shanhui Fan Yi Cui

Maintaining human body temperature is one of the most basic needs for living, which often consumes a huge amount of energy to keep the ambient temperature constant. To expand the ambient temperature range while maintaining human thermal comfort, the concept of personal thermal management has been recently demonstrated in heating and cooling textiles separately through human body infrared radiat...

Journal: :Journal of applied physiology 2012
Bun Tsuji Yasushi Honda Naoto Fujii Narihiko Kondo Takeshi Nishiyasu

Elevation of core temperature leads to increases in ventilation in both resting subjects and those engaged in prolonged exercise. We compared the characteristics of the hyperthermic hyperventilation elicited during passive heating at rest and during prolonged moderate and light exercise. Twelve healthy men performed three trials: a rest trial in which subjects were passively heated using hot-wa...

Journal: :Temperature 2023

Whether glucose concentration increases during heat exposure because of reduced peripheral tissue uptake or enhanced appearance is currently unknown. This study aimed to report concentrations in both capillary and venous blood response a challenge passive heating (PH) assess whether affects healthy males. Twelve male participants completed two experimental sessions, where they were asked undert...

2017
Tiago Peçanha Cláudia L. de Moraes Forjaz David A. Low

Post-exercise heart rate (HR) recovery (HRR) presents a biphasic pattern, which is mediated by parasympathetic reactivation and sympathetic withdrawal. Several mechanisms regulate these post-exercise autonomic responses and thermoregulation has been proposed to play an important role. The aim of this study was to test the effects of heat stress on HRR and HR variability (HRV) after aerobic exer...

2006
WILLIAM S. OLSON CHRISTIAN D. KUMMEROW SONG YANG GRANT W. PETTY WEI-KUO TAO THOMAS L. BELL SCOTT A. BRAUN YANSEN WANG STEPHEN E. LANG DANIEL E. JOHNSON CHRISTINE CHIU

A revised Bayesian algorithm for estimating surface rain rate, convective rain proportion, and latent heating profiles from satellite-borne passive microwave radiometer observations over ocean backgrounds is described. The algorithm searches a large database of cloud-radiative model simulations to find cloud profiles that are radiatively consistent with a given set of microwave radiance measure...

2014
C. J. Chan G. Whyte L. Boyde G. Salbreux J. Guck

A cell is a complex material whose mechanical properties are essential for its normal functions. Heating can have a dramatic effect on these mechanical properties, similar to its impact on the dynamics of artificial polymer networks. We investigated such mechanical changes by the use of a microfluidic optical stretcher, which allowed us to probe cell mechanics when the cells were subjected to d...

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