نتایج جستجو برای: thrust to weight ratio tw

تعداد نتایج: 10720921  

2012
Steven Owens Malcolm Macdonald

g – standard gravitational acceleration, m/s μ gravitational constant, km/s mdry – spacecraft mass without fuel, kg mwet – spacecraft mass with total fuel, kg mhighF – high-thrust system fuel mass, kg mHSTF – hybrid system fuel mass, kg m02 – spacecraft mass after phase 1 of the transfer, kg ∆Vhigh – high-thrust only system ∆V, m/s ∆VH – high-thrust portion of hybrid system ∆V, m/s ∆VL – low-th...

2011
Robert A. McDonald

T he cruise or loiter performance of an aircraft is intimately tied to its wing loading (W/S) and its thrust to weight ratio (T /W ). Paradoxically, mission performance is often not considered when these fundamental aircraft parameters are determined in conceptual design. In this research, the traditional constraint diagram is extended to include contours of range parameter. This point performa...

2012
Devendra Soni

A time was there when mobile was used for voice call only but now the main thrust on mobile communication is to access data, Day by day wireless communication is going towards the demand of very high-speed. In this scenario the OFDM technology can fulfill these requirements of high speed and spectral efficiency. The OFDM system can be used on the basis of the requirement of power and BER analys...

Journal: :The journals of gerontology. Series A, Biological sciences and medical sciences 2010
Yosuke Yamada Dale A Schoeller Eitaro Nakamura Taketoshi Morimoto Misaka Kimura Shingo Oda

BACKGROUND Skeletal muscle tissue holds a large volume of water partitioned into extracellular water (ECW) and intracellular water (ICW) fractions. As the ECW may not be related to muscle strength directly, we hypothesized that excluding ECW from muscle volume would strengthen the correlation with muscle strength. METHODS A total of 119 healthy men aged 20-88 years old participated in this st...

Journal: :Applied sciences 2023

The continuously expanding transport aviation sector has a significant impact on climate change, and measures must be taken to limit its environmental impact. study of advanced airframes, which may increase the lift-to-drag ratio structural efficiency, development innovative high-efficient powertrains, could way achieve air decarbonization. This paper explores this broad topic by proposing clas...

2017
Melissa L. McGuire Laura M. Burke Steven L. McCarty Kurt J. Hack Ryan J. Whitley Diane C. Davis Cesar Ocampo

This paper captures trajectory analysis of a representative low thrust, high power Solar Electric Propulsion (SEP) vehicle to move a mass around cislunar space in the range of 20 to 40 kW power to the Electric Propulsion (EP) system. These cislunar transfers depart from a selected Near Rectilinear Halo Orbit (NRHO) and target other cislunar orbits. The NRHO cannot be characterized in the classi...

2002
S E Cattapan F Laghi M J Tobin

Background: In critically ill patients inspiratory muscle function may be assessed by measurements of maximal inspiratory airway pressure and the response of twitch transdiaphragmatic pressure (Pdi tw) to bilateral phrenic nerve stimulation. The first is limited by its total dependence on patient cooperation. Although the second approach is independent of patient volition, it is impractical bec...

2018
Suresh Kumar Ravi Kant Gupta Amit Sharma Y. Singh Nitin Mehta Neeraj Kashyap

Light plays an important role in birds’ life hence efforts were made to evaluate the performance of broiler chicken in the opensided house under light emitting diodes (LEDs) and incandescent bulb lighting programme. For this purpose 240 straight run commercial Vencobb® broiler chicks were procured and distributed in four different light treatment groups i.e. Tw; white (650nm), Tg; green (565nm)...

Journal: :Thorax 2003
S E Cattapan F Laghi M J Tobin

BACKGROUND In critically ill patients inspiratory muscle function may be assessed by measurements of maximal inspiratory airway pressure and the response of twitch transdiaphragmatic pressure (Pdi tw) to bilateral phrenic nerve stimulation. The first is limited by its total dependence on patient cooperation. Although the second approach is independent of patient volition, it is impractical beca...

Journal: :Fisheries and Aquatic Sciences 2022

Morphometric relationships, condition factor (CF) and reproductive biology are significant tools in fish stock management, biology, physiology, conservation ecology. Growth strategy of Oreochromis niloticus were studied from 343 specimens collected Lake Shala between January December 2018. Fish samples ranged 7.7 cm to 33.0 total length (TL) 7.80 g 708.21 weight (TW) using gillnets 4, 6, 8, 10,...

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